The GLP-1 Lab

by GLP-1 SOS

Meet GLP-1 SOS

Category: Nausea & vomiting

Managing the queasiness and vomiting that often follow a GLP-1 dose, especially in the first weeks and after dose increases.

  • Why does GLP-1 nausea come back months in?

    Why does GLP-1 nausea come back months in?

    The short answer

    Usually because something changed, not because the medication stopped agreeing with you. The common causes are a dose increase, a missed dose followed by a restart, meals that have crept back up as appetite adapted, more fat or alcohol, or constipation backing up. Gallbladder symptoms as weight drops, or an unrelated stomach bug, are the ones to rule out.

    At GLP-1 SOS we hear a version of this every week: months of calm, then the queasiness is back and nothing obvious changed. Something did. Here is how we look for it.

    Three usual causes

    Which one is yours

    Dose or missed dose

    The level jumped

    Feels like: Week one again, worst on shot day and the day after

    Check: A dose step or a missed shot in the last month

    What helps: Small plates on peak days; tell your prescriber the dates

    Shot-week pattern

    Meals crept back

    The plate grew

    Feels like: Heavy and queasy after dinner, not after the shot

    Check: Portion size, fat, alcohol, eating out

    What helps: Month-one portions, protein first, stop at satisfied

    Most common

    Backed-up colon

    The lower gut is full

    Feels like: Bloated, full early, no appetite, queasy all day

    Check: Days since your last bowel movement

    What helps: Water, soluble fiber, steady evening magnesium, a walk

    Often missed

    What is actually happening

    A GLP-1 medication slows how fast your stomach empties, and the stomach adapts. In the trials, nausea clustered in the first weeks and around dose increases, then faded on a steady dose. But it adapted to one level of the medication and one way of eating. Change either, and it notices again.

    Lab note

    The stomach adapted to a dose and a plate. Change either and it notices.

    The level changes in two ways. A dose increase raises the peak for about four weeks before the new level settles, and the first higher shot is the strongest. A missed dose lets the level fall, so the next shot is a bigger jump than the stomach had settled into. The Wegovy label tells prescribers to restart escalation at a lower dose after two or more consecutive missed doses. The number of doses missed is what your prescriber needs from you.

    The plate changes more quietly. In month one, appetite is so low that portions shrink without effort. By month three or four, appetite adapts, the plate grows back, and the stomach has not sped up. Same threshold, larger meal. Fat and alcohol each slow emptying further. This nausea arrives after dinners rather than after shots, which is the tell.

    The colon can be the cause. A GLP-1 slows the colon as well as the stomach, and stool that sits for days leaves the lower gut full and distended. A full colon sends its message upward: bloating, early fullness, queasiness, sometimes no appetite. It is the cause people connect least.

    Two causes have nothing to do with adaptation. A stomach bug arrives whenever it likes: watery diarrhea, cramping, nausea or vomiting, sometimes fever, usually under a week. The labels report gallstones more often on these medications than on placebo, and rapid weight loss raises the risk on its own. Gallbladder pain sits under the right ribs, often after a heavy meal or in the evening, and lasts hours. That is the red flag on this list.

    Two kinds

    Usually the medication, or something else

    Usually the medication

    • Started after a dose step or a missed shot
    • Worse on shot day and the day after
    • Worse after larger, fattier dinners
    • Comes with bloating and days of no bowel movement
    • Eases with smaller plates within days

    Something else: call

    • Pain under the right ribs, often after eating
    • Severe or persistent belly pain, with or without vomiting
    • Fever, or vomiting more than once
    • Yellow skin or eyes, dark urine
    • Watery diarrhea and cramps that started suddenly

    Nausea that tracks meals is load. Nausea with pain under the ribs is a same-day call.

    What to do

    1. Date the change. Write down when the nausea came back and what changed in the two weeks before it: a dose step, a missed shot, travel, a new medication, more meals out.
    2. Check when you last went. If it was three or more days ago, the colon is the likely cause. Water through the day, soluble fiber, a steady evening magnesium routine agreed with your prescriber, and a ten-minute walk after dinner.
    3. Measure the plate against month one. Picture the plate you ate then next to the one you eat now. If it has grown, go back to something small every three to four hours, protein first, stopping at satisfied.
    4. Cut fat and alcohol, one week. Both slow the stomach further, and both creep back as life gets normal. If the nausea lifts, you have found the cause.
    5. Check the calendar against the shot. Nausea on shot day and the day after is the curve. Nausea after dinners is the plate. Nausea every day, whatever you eat, is something else.
    6. Ginger and peppermint between meals. Ginger tea or chews settle a queasy stomach and peppermint eases the tight, gassy feeling. They help you through the queasy stretch; they are not a reason to stop looking for the cause.
    7. Bring the log to your prescriber. If the nausea has lasted more than two weeks with no change you can find, or follows a missed dose, that is their conversation. Restarting after missed doses and the pace of dose steps are their calls, and the labels give them room.
    GLP-1 SOS support team

    From our support desk at GLP-1 SOS

    If you wrote to us saying the nausea came back after months of calm, here is what we would say.

    First, the line: pain under your right ribs, pain that will not settle, fever, or vomiting you cannot stop is a same-day call to your prescriber, not to us. If it is the quieter version, two questions: when was your last bowel movement, and has the plate grown since month one? A backed-up colon is the cause people connect least; a steady evening routine of water, soluble fiber and magnesium usually clears it within days, which is why GLP-1 SOS Daily Gut Relief pairs 250 mg of magnesium with ginger and peppermint. Plain magnesium citrate and a cup of ginger tea do the same two jobs. Then check the plate, the fat and the alcohol, and if nothing changed or a shot was missed, bring the dates to your prescriber.

    We answer real questions from real people every day. Write to us if yours is not here.

    *GLP-1 SOS Daily Gut Relief supports regular bowel movements and digestive comfort. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

    When to call your doctor

    Call your prescriber the same day if:

    • There is pain under your right ribs or in the upper belly, especially after eating or in the evening
    • There is severe or persistent belly pain, with or without vomiting
    • You have a fever
    • You have vomited more than once
    • You cannot keep liquids down
    • Your skin or the whites of your eyes look yellow or your urine is dark
    • You have gone more than five days without a bowel movement

    Queasy after a bigger dinner is the medication. Pain under the ribs is not.

    GLP-1 SOS

    From the people behind the Lab

    You do not have to figure this out alone.

    GLP-1 SOS is the daily companion made for life on a GLP-1. Plain answers like this one, a support team that replies to real questions from real people, and daily formulas like GLP-1 SOS Daily Gut Relief, designed around the side effects that come with the medication. The GLP-1 Lab is our free education arm: no login, no paywall, no hype. Side effects are part of the road. Suffering through them is not.

    Meet GLP-1 SOS

    Questions people also ask

    Why am I suddenly nauseous on Ozempic after months?

    Something changed. The usual suspects are a dose increase, a missed shot followed by a restart, a plate that has grown back as appetite adapted, more fat or alcohol, or a colon that has backed up. Each one raises the load on a stomach that still empties slowly. Date the change, count the days since your last bowel movement, and compare the plate to month one before assuming the medication itself is the problem.

    Can constipation cause nausea on a GLP-1?

    Yes, and it is one of the most common causes months in. The medication slows the colon as well as the stomach, and stool that sits for days leaves the lower gut full and distended. A full colon sends its message upward as bloating, early fullness and queasiness. Three or more days without a bowel movement is the clue. Water, soluble fiber, a steady evening routine and a walk after dinner usually clear it within days.

    Why do I feel sick after missing a dose and restarting?

    Because the level fell and then jumped. A missed dose lets the medication drop, so the next shot is a bigger step relative to what your stomach had settled into, the same mechanism as a dose increase. The Wegovy label instructs prescribers to restart escalation at a lower dose after two or more consecutive missed doses for exactly this reason. Tell your prescriber how many doses were missed and let them decide the restart.

    Does nausea coming back mean the medication has stopped working?

    No. Nausea tracks the stomach’s slowing, not the weight loss, and the 2022 semaglutide analysis found gut reactions contributed very little to the weight lost. Nausea returning usually means the load went up: a bigger plate, more fat, a missed shot, a backed-up colon. Find the change and reverse it. If nothing has changed and it lasts more than two weeks, bring the dates to your prescriber.

    Sources (6)
    • Wegovy (semaglutide) injection, Prescribing Information. Novo Nordisk / FDA, revised June 2026.
    • Zepbound (tirzepatide) injection, Prescribing Information. Eli Lilly, revised August 2026.
    • Gastrointestinal tolerability of once-weekly semaglutide 2.4 mg in adults with overweight or obesity, and the relationship between gastrointestinal adverse events and weight loss. Diabetes, Obesity and Metabolism, 2022.
    • Clinical Recommendations to Manage Gastrointestinal Adverse Events in Patients Treated with GLP-1 Receptor Agonists: A Multidisciplinary Expert Consensus. Journal of Clinical Medicine, 2023.
    • Symptoms & Causes of Gallstones. NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), accessed September 2026.
    • Symptoms & Causes of Viral Gastroenteritis (“Stomach Flu”). NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), accessed September 2026.

    Reviewed by the GLP-1 SOS editorial team · Education, not medical advice · Talk to your prescriber about your dose and your symptoms.

  • Why do I feel sick on injection day (and the day after) on a GLP-1?

    Why do I feel sick on injection day (and the day after) on a GLP-1?

    The short answer

    Because the level is still climbing. Semaglutide reaches its peak one to three days after the shot; tirzepatide peaks between eight and seventy-two hours, typically around a day. The stomach is slowest in that window, not at the moment of injection, and the first higher shot of each dose step is the strongest version.

    At GLP-1 SOS the question arrives every week in the same words: why is Tuesday worse than Monday when the shot was Monday? We map the curve below so you can plan your week around it.

    The weekly curve

    Shot, peak days, settles

    1

    Shot day

    The medication is absorbed slowly from under the skin. The level starts to climb; the stomach has not slowed yet.

    2

    Peak days

    Semaglutide peaks one to three days later, tirzepatide within about a day. The stomach is at its slowest here.

    3

    Settles

    The level falls toward the next shot. Four weeks on a dose and the swing narrows; the week evens out.

    What is actually happening

    A once-weekly GLP-1 is absorbed slowly from under the skin, so the shot is the start of the curve, not the top of it. The Wegovy and Ozempic prescribing information state that maximum concentration of semaglutide is reached one to three days after the dose. For tirzepatide, the Zepbound label gives a median of twenty-four hours with a range of eight to seventy-two, and Mounjaro’s states the same range. The medication slows how fast your stomach empties, and it does so in proportion to the level, so the stomach is at its slowest the day after the shot.

    Lab note

    The shot is day one. Your stomach’s day one is tomorrow.

    The curve also explains why the first shot of a new dose is the hard one. Semaglutide has a half-life of about a week and tirzepatide of about five days, so each shot lands on top of what is left from the last. Over the first four weeks on a dose, both the peak and the trough rise until they level off; the Zepbound label puts steady state at four weeks. The first higher shot is the largest jump the stomach has felt since the last step. By the fourth shot of the same dose, the peak sits only a little above the trough, and the week feels ordinary.

    Nausea was the most common reaction on all four medications, reported by about four in ten adults on Wegovy against about one in six on placebo, and a 2022 analysis of the semaglutide trials found that gut reactions were mostly mild to moderate, transient, and most frequent during or shortly after dose escalation.

    What it feels like from inside is a stomach that fills early. A meal that sat fine on day six sits heavily on day two, because there is less room and a slower exit. Fat, large portions and alcohol each slow emptying further, and on a peak day they stack on top of the medication.

    Peak-day plate

    What goes on the shot-day plate, and what stays off

    Shot-day plate

    • Something small every three to four hours
    • Protein first: eggs, yogurt, chicken, fish
    • Plain carbs: rice, toast, oats, a banana
    • Broth or salted water in small sips
    • Ginger or peppermint tea between meals
    • Stop at satisfied, never full

    Leave off until day four

    • Fried and greasy food
    • Cream sauces and cheese-heavy meals
    • Large portions of anything
    • Alcohol
    • Big drinks with meals
    • Eating fast or standing up

    Half of the day-six portion is the right size for day two.

    What to do

    1. Know your peak days. Mark the shot day and the two after it on a calendar. Those are the days to keep small, not the whole week.
    2. Time the shot to your week. Many people take it in the evening, or the day before a quiet day, so the peak lands on rest rather than on a work lunch. This is a habit people use, not a label instruction; the labels allow the day to be changed as long as a minimum gap between doses is kept, so confirm the gap with your prescriber or pharmacist before moving it.
    3. Eat small on peak days. Shot day and the day after: something small every three to four hours, protein first, stopping at satisfied. Half of what you would eat on day six.
    4. Leave off fat and alcohol. On peak days, fried, creamy and greasy meals and alcohol all slow the stomach further and land on top of the medication. Save them for the back half of the week, if at all.
    5. Ginger and peppermint on peak days. Ginger settles a queasy stomach and peppermint eases the tight, gassy feeling. Ginger tea or ginger chews between meals, or a cup of peppermint tea, does the job on its own. Both are also in GLP-1 SOS Daily Gut Relief, 200 mg of ginger root and 50 mg of peppermint with dinner, alongside 250 mg of magnesium for the slow days that follow the peak, so the shot week needs one routine rather than a shelf of remedies.*
    6. Sip, do not gulp. Cold water, broth, or a sugar-free electrolyte mix in small amounts through the day, between meals rather than with them. A slow stomach handles a glass of water on top of a meal badly.
    7. Log the peak, then the trend. Note nausea on each day of the shot week for two cycles. If the shot week is still hard by the fourth shot of the same dose, bring the log to your prescriber. Staying longer on a dose is written into the labels as an option.

    *GLP-1 SOS Daily Gut Relief supports regular bowel movements and digestive comfort. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

    When to call your doctor

    Call your prescriber the same day if:

    • The nausea comes with vomiting more than once
    • You cannot keep liquids down
    • You feel faint when you stand
    • There is severe or persistent belly pain, with or without vomiting
    • The nausea has not eased at all by day four of the shot week
    • Each shot is worse than the last
    • You have a fever

    Two queasy days is the curve. A queasy week that never lifts is not.

    GLP-1 SOS

    From the people behind the Lab

    You do not have to figure this out alone.

    GLP-1 SOS is the daily companion made for life on a GLP-1. Plain answers like this one, a support team that replies to real questions from real people, and daily formulas like GLP-1 SOS Daily Gut Relief, designed around the side effects that come with the medication. The GLP-1 Lab is our free education arm: no login, no paywall, no hype. Side effects are part of the road. Suffering through them is not.

    Meet GLP-1 SOS

    Questions people also ask

    Why do I feel sick the day after my Ozempic shot and not the day of?

    Because the level is still rising. Semaglutide is absorbed slowly, and the prescribing information puts the peak at one to three days after the dose. The stomach slows in step with the level, so the day after the shot, and often the one after that, is when it empties slowest and fills fastest. The shot itself is the bottom of the curve.

    Is it better to take Wegovy or Zepbound at night?

    The labels do not name a time of day; they ask for the same day each week, with or without food. Many people choose the evening, or the day before a quiet day, so the peak lands on sleep and rest rather than on a full workday. If it helps you, it is a reasonable habit. Check the minimum gap between doses with your prescriber before moving the day.

    How long does injection-day nausea last?

    Usually the two or three days around the peak, then it fades as the level falls toward the next shot. Over the first four weeks on a dose the swing narrows, because each shot lands on more of the previous one, and by the fourth shot the week usually feels even. Nausea that fills the whole week, or gets worse with each shot, is worth a conversation with your prescriber.

    Why is the first shot of a new dose the worst?

    Because it is the largest jump your stomach has felt since the last step. On a steady dose, each shot adds only a little to what is left from the previous one. A higher dose raises the peak all at once, and it takes about four weeks for the levels to settle at the new height. The prescribing information lets prescribers delay a dose step when a dose is not tolerated; that is a normal thing to ask about.

    Sources (6)
    • Wegovy (semaglutide) injection, Prescribing Information. Novo Nordisk / FDA, revised June 2026.
    • Zepbound (tirzepatide) injection, Prescribing Information. Eli Lilly, revised August 2026.
    • Mounjaro (tirzepatide) injection, Prescribing Information. Eli Lilly, revised August 2026.
    • Gastrointestinal tolerability of once-weekly semaglutide 2.4 mg in adults with overweight or obesity, and the relationship between gastrointestinal adverse events and weight loss. Diabetes, Obesity and Metabolism, 2022.
    • Ginger: Usefulness and Safety. NIH National Center for Complementary and Integrative Health (NCCIH), accessed September 2026.
    • Peppermint Oil: Usefulness and Safety. NIH National Center for Complementary and Integrative Health (NCCIH), accessed September 2026.

    Reviewed by the GLP-1 SOS editorial team · Education, not medical advice · Talk to your prescriber about your dose and your symptoms.

  • Vomiting on a GLP-1: when is it normal and when to call a doctor

    Vomiting on a GLP-1: when is it normal and when to call a doctor

    The short answer

    Once, after a meal that was too big or too greasy for a slowed stomach, is common and usually settles by the next day. Vomiting more than once, vomiting that stops you keeping liquids down, or vomiting with severe or persistent belly pain is a same-day call. The labels warn about dehydration and the kidneys for a reason.

    Vomiting is the message that worries people most when they write to GLP-1 SOS, and the answer turns on one thing: once after a meal, or more than once. We wrote this to help you tell them apart tonight.

    Two kinds

    Usually the slow stomach, or a same-day call

    Usually the slow stomach

    • Once, after a large or greasy meal
    • Settles with rest and small sips
    • Liquids stay down within an hour
    • No belly pain once it passes
    • Lands on shot day or the day after
    • Eases within days of a dose step

    Same-day call

    • More than once in twenty-four hours
    • Cannot keep liquids down
    • Faint on standing, very little urine
    • Severe or lasting belly pain, vomiting or not
    • Pain under the right ribs or into the back
    • Fever, blood, or coffee-ground vomit

    Pain is the line. A stomach that sent dinner back does not hurt afterward.

    What is actually happening

    A GLP-1 medication slows how fast your stomach empties, and all four labels list vomiting as a common reaction. In the Wegovy trials in adults, about one in four reported vomiting, against about six in a hundred on placebo. On Zepbound it was roughly one in ten, and on Ozempic and Mounjaro fewer than one in ten at most doses. It clustered in the first weeks and after dose increases.

    The stomach is a bag with a slow exit. A meal that fits and leaves at the new pace sits quietly. A meal that is too large, too fatty, or eaten too fast raises pressure in a stomach that cannot pass it forward, and the body’s answer to a full stomach that will not empty is to send it back. Fat slows emptying further, which is why greasy takeout is so often the meal that comes back. One episode with a meal to blame is the threshold. Repeated vomiting, or vomiting with no meal behind it, is a different signal.

    Lab note

    A full, slow stomach sends back what does not fit.

    The labels take repeated vomiting seriously for two reasons. The first is water. Vomiting removes water and salt together, and if sips will not stay down there is no way to put them back. All four labels warn about acute kidney injury: most reported cases were in people whose nausea, vomiting or diarrhea had led to dehydration, and prescribers are told to watch kidney function during dose steps.

    The second is pain. The labels describe acute pancreatitis as persistent or severe abdominal pain, sometimes radiating to the back, with or without nausea or vomiting. They also report gallstones more often on the medication than on placebo, and note that rapid weight loss raises that risk on its own. Gallbladder pain sits under the right ribs, often after a heavy meal. Pain is what separates a stomach that sent back dinner from a problem that needs a doctor.

    After it happens

    Rest, sips, small plate, normal plate

    1

    Rest the stomach

    Nothing solid for two to four hours. Let it settle before anything goes back in.

    2

    Salted sips

    A tablespoon of broth, water with a pinch of salt, or an electrolyte mix every few minutes for an hour.

    3

    A small plate

    Crackers, rice, toast, a banana, a boiled egg. A few bites, then stop at the first sign of fullness.

    4

    Back to normal, slowly

    Small, low-fat meals every three to four hours the next day. The old portion is what caused it.

    What to do

    1. Rest the stomach first. Nothing solid for two to four hours after vomiting. A stomach that just emptied itself needs to settle, not to be refilled.
    2. Start with salted sips. A tablespoon of water, broth, or a sugar-free electrolyte mix every few minutes, not a glass at once. Vomiting takes salt with the water, and water follows salt. Hold liquids for an hour before moving up.
    3. Restart with a small plate. Once liquids stay down, a few bites of something plain: crackers, rice, a banana, toast, a boiled egg. Stop at the first sign of fullness.
    4. Keep the next day small. Something small every three to four hours, low in fat, protein first, no alcohol. A stomach that sent one meal back will send another if it is refilled at the old pace.
    5. Find the meal that did it. Write down what you ate in the hours before, and how much. If it was large, greasy, or eaten fast, that is the threshold, and the fix is the portion.
    6. Eat slower than feels natural. Put the fork down between bites, aim for twenty minutes per meal, and stop at satisfied. On a slow stomach, fullness arrives late, after the food is already in.
    7. Bring a pattern to your prescriber. If you vomited more than once in a day, or on every shot week, note the days and the dose step. The labels give prescribers room to delay a dose step when a dose is not tolerated; that is their call, and the log makes it an easy one.
    GLP-1 SOS support team

    From our support desk at GLP-1 SOS

    If you wrote to us tonight after throwing up, here is what we would say.

    First, the line: if you have vomited more than once today, cannot keep liquids down, feel faint, or have belly pain that will not settle, call your prescriber today, not us. If it was once, after a meal that was bigger or greasier than your stomach can pass right now, rest it for a few hours, then salted sips by the tablespoon, then a few plain bites once an hour of liquids has stayed down. Keep tomorrow small and low in fat, and write down what the meal was. That meal is the answer. If it happens again on the next shot week, bring both dates to your prescriber; delaying a dose step is written into the labels as an option, and it is theirs to make.

    We answer real questions from real people every day. Write to us if yours is not here.

    When to call your doctor

    Call your prescriber the same day if:

    • You have vomited more than once in twenty-four hours
    • You cannot keep liquids down
    • You feel faint when you stand or are passing very little urine
    • There is severe or persistent belly pain, with or without vomiting, especially pain that goes through to your back
    • There is pain under your right ribs after eating
    • You have a fever
    • There is blood or something that looks like coffee grounds in the vomit

    Once after a heavy meal is normal. Repeated, or with pain, is not.

    GLP-1 SOS

    From the people behind the Lab

    You do not have to figure this out alone.

    GLP-1 SOS is the daily companion made for life on a GLP-1. Plain answers like this one, a support team that replies to real questions from real people, and daily formulas like GLP-1 SOS Daily Gut Relief, designed around the side effects that come with the medication. The GLP-1 Lab is our free education arm: no login, no paywall, no hype. Side effects are part of the road. Suffering through them is not.

    Meet GLP-1 SOS

    Questions people also ask

    Is it normal to throw up on Ozempic or Wegovy?

    Once in a while, yes, and usually with a meal to blame. Vomiting was reported by about one in four adults in the Wegovy trials and by fewer on Ozempic, most often in the first weeks and after a dose increase. The usual story is a meal that was too large or too greasy for a stomach that now empties slowly. Vomiting more than once in a day, or without a meal behind it, is worth a same-day call.

    How many times is too many to vomit on a GLP-1?

    More than once in twenty-four hours, or any vomiting that stops you keeping liquids down, is the line the labels draw around dehydration. The kidney warning in the prescribing information exists because water and salt leave together when you vomit and cannot be replaced if sips come back up. One episode that settles with rest and small sips is a limit. Two, or a dry mouth and dizziness, is a call.

    What should I eat after vomiting on a GLP-1?

    Nothing for two to four hours, then salted liquids in tablespoon sips: broth, water with a pinch of salt, a sugar-free electrolyte mix. Once an hour of liquids has stayed down, a few bites of something plain and low in fat, such as crackers, rice, toast, a banana or a boiled egg. Keep the next day to small, low-fat meals every three to four hours, and leave alcohol out.

    Does vomiting mean my dose is too high?

    Not by itself. Vomiting clusters around the first higher shot of each dose step, when the medication level is at its peak and the stomach is at its slowest, and it usually eases within a couple of weeks as the level evens out. If it repeats on every shot week, or has not settled after two weeks on a new dose, the prescribing information allows prescribers to delay the next step. Bring them the dates and let them decide.

    Sources (6)
    • Wegovy (semaglutide) injection, Prescribing Information. Novo Nordisk / FDA, revised June 2026.
    • Zepbound (tirzepatide) injection, Prescribing Information. Eli Lilly, revised August 2026.
    • Ozempic (semaglutide) injection, Prescribing Information. Novo Nordisk, revised May 2026.
    • Mounjaro (tirzepatide) injection, Prescribing Information. Eli Lilly, revised August 2026.
    • Symptoms & Causes of Gallstones. NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), accessed September 2026.
    • GLP1 and GIP Receptor Agonists: Effects on the Gastrointestinal Tract and Management Strategies for Primary Care Physicians. Mayo Clinic Proceedings, 2025.

    Reviewed by the GLP-1 SOS editorial team · Education, not medical advice · Talk to your prescriber about your dose and your symptoms.