$169/mo
Tirzepatide
Weekly and dual-action. Care, coaching and shipping included.
Get startedHome / Tirzepatide side effects
From the trial data.
Tirzepatide side effects: what’s common, what’s serious and what helps
The most common tirzepatide side effects are nausea, diarrhea, vomiting and constipation. In the trials behind Zepbound, nausea affected 25% to 29% of people (8% on placebo), mostly while the dose was rising, and it decreased over time. Serious problems such as pancreatitis or gallbladder disease are uncommon but need prompt care. At NexLife, side-effect questions come to us 24/7.
- Nausea: 25–29% in the trials, mostly early
- What helps: smaller meals, fluids, slower dose steps
- When to call: severe belly pain, yellow skin, signs of dehydration
Published by NexLifeLegitScript-certifiedUpdated October 13, 2026Medically reviewed by the NexLife clinical team, led by Adam Kennah, MD (NPI 1144260043)
Most common, in the Zepbound trials
- Nausea
- 25–29%, vs 8% on placebo
- Diarrhea
- 19–23%, vs 8%
- Constipation
- 11–17%, vs 5%
- Vomiting
- 8–13%, vs 2%
- Stopped for stomach side effects
- 1.9–4.3%, vs 0.5% on placebo
Side effect bothering you? Call or text (949) 818-8000. Real people answer 24/7.
Check my eligibility, $169/mo
4.8 out of 5 on Trustpilot · LegitScript certified
Compounded medicines aren’t FDA-approved. A NexLife provider prescribes one only if it offers a significant difference for you compared with an FDA-approved medicine.
How often
Side effects by dose, against placebo
The four stomach side effects lead the list. In SURMOUNT-1, most were mild to moderate.
| Side effect | Placebo | 5 mg | 10 mg | 15 mg |
|---|---|---|---|---|
| Nausea | 8% | 25% | 29% | 28% |
| Diarrhea | 8% | 19% | 21% | 23% |
| Vomiting | 2% | 8% | 11% | 13% |
| Constipation | 5% | 17% | 14% | 11% |
| Belly pain | 5% | 9% | 9% | 10% |
| Indigestion | 4% | 9% | 9% | 10% |
| Injection-site reactions | 2% | 6% | 8% | 8% |
| Tiredness | 3% | 5% | 6% | 7% |
Zepbound prescribing information (revised August 2026), Table 1. Everyone in the trials, including the placebo group, also had diet and activity advice. These numbers come from trials of FDA-approved Zepbound. Compounded tirzepatide isn’t FDA-approved and wasn’t studied in them.
When they happen
Most stomach side effects come early, and fade
Most nausea, vomiting and diarrhea happened during dose increases, which come every 4 weeks or more.
In the trials, these events decreased over time.
Your provider can hold your dose longer or lower it.
- 56%had a stomach side effect on tirzepatide
- 30%on placebo
- 1.9–4.3%stopped for one
- 0.5%stopped on placebo
From the label’s pooled trials. Across all side effects, 4.8% to 6.7% stopped tirzepatide (by dose), versus 3.4% on placebo; most who stopped did so in the first few months.
What helps
Small changes that ease the common ones
Nausea
Eat smaller meals and stop when you feel full; large meals make vomiting more likely. Go easy on high-fat and fried food, and on alcohol.
Diarrhea
Sip fluids through the day so you don’t get dehydrated. Skip large or high-fat meals until it settles.
Constipation
Add fiber slowly, with fluids: fruit, vegetables, beans, prunes. Ask your provider before adding a laxative or supplement.
Injection-site redness
Rotate spots each week: belly, thigh, or the back of the upper arm if someone else gives it. Tell us if a reaction spreads or doesn’t fade.
Eating tips from the 2025 joint nutrition advisory for people taking GLP-1 medicines. A simple GLP-1 meal plan.
Side effect bothering you?
Call or text NexLife at (949) 818-8000, 24/7. A real person answers, we get your question to your provider, follow up with the pharmacy if it’s about your medicine, and get back to you with the next step.
Two medications.
One flat price each.
Both are prepared by state-licensed 503A partner pharmacies and shipped free. Your provider helps you decide which one fits.
$139/mo
Semaglutide
Weekly GLP-1. Care, coaching and shipping included.
Get startedWhat’s inside every plan
- Tirzepatide: compounded, acts on two hormone pathways (GIP and GLP-1), taken once a week
- Semaglutide: compounded, acts on the GLP-1 pathway, taken once a week
- Prepared by state-licensed 503A partner pharmacies
- A licensed provider who reviews your history and follows your dose
- A personalized nutrition plan and a 1:1 coaching call
- Free expedited shipping; orders usually ship within 1 to 2 business days
- 24/7 support from real people, plus physician access during clinical hours
- HSA and FSA cards accepted, and Klarna or Afterpay at checkout
- Prefer no injections? Ask about the sublingual tablet, at its own flat price
Prescription required. Compounded medications are not FDA-approved, and a provider prescribes one only if it offers a significant difference for you compared with an FDA-approved medicine. On 12-month plans: $139 a month for tirzepatide, $119 for semaglutide, still the same at every dose. Prices checked October 7–13, 2026.
Your dose goes up.
Your price doesn’t.
No membership, no dose surcharges, no surprises. One flat, all-inclusive monthly price at every dose.
| Month one | Month two | Month three | Every month after | |
|---|---|---|---|---|
| Tirzepatide | $169 | $169 | $169 | $169 |
| Semaglutide | $139 | $139 | $139 | $139 |
Paying less somewhere else? Send us a receipt from another licensed U.S. telehealth provider and we’ll match your regular monthly price. See the terms
Month-to-month plan, all-inclusive. Longer plans cost less and stay flat. Tirzepatide is $159, $149 and $139 a month on 3-, 6- and 12-month plans. Semaglutide is $132, $125 and $119.
What would you pay with NexLife?
Tap where you are now. We’ll show your NexLife price next to it, or tell you we’ll match it.
Pick one above to see your price.
Not today?
Prices from each provider, checked October 7–13, 2026. Brand-name and compounded medications are different products; compounded medications are not FDA-approved. †Price Match Guarantee terms apply.
The NexLife Price Match Guarantee
Keep your price.
Upgrade your care.
Already on compounded tirzepatide or semaglutide? Bring your price to NexLife. If you pay less with another licensed U.S. telehealth provider, we match your regular monthly price for as long as your plan stays active.† You keep your price, and you gain a provider who follows your dose, a personal nutrition plan, a 1:1 coaching call and real people who answer 24/7.
- 1Send a receipt from the last 60 days
- 2A NexLife provider reviews your prescription
- 3Pay your matched price, at every dose
Locked while your plan is activeSame price at every doseNo membership fee
†NexLife Price Match Guarantee: for new members switching from a licensed U.S. telehealth provider with an active prescription for compounded tirzepatide or semaglutide. Send a receipt from the last 60 days and we match your regular all-in monthly price on the month-to-month plan, for the same medication (medication plus required fees; not first-month offers, sale prices, coupons or prepaid multi-month rates), for as long as your plan stays active. A NexLife provider must determine that treatment is right for you. Not open to people with Medicare, Medicaid or TRICARE coverage. Full terms.
Get help
Serious side effects: when to call right away
Call 911 or get emergency care for swelling of your face, lips, tongue or throat, trouble breathing or swallowing, or fainting. These can be signs of a serious allergic reaction.
| If you notice… | It can be a sign of | What to do |
|---|---|---|
| Severe stomach pain that won’t go away, sometimes reaching your back, with or without vomiting | Pancreatitis | Stop the medicine and call your provider right away |
| Pain in your upper stomach, fever, yellow skin or eyes, or clay-colored stools | Gallbladder problems | Call your provider |
| Nausea, vomiting or diarrhea that won’t stop, dizziness, or peeing much less | Dehydration, which can affect your kidneys | Drink fluids and call your provider |
| Shakiness, sweating, confusion or a fast heartbeat, if you take insulin or a sulfonylurea | Low blood sugar | Follow your low-blood-sugar plan and call your provider |
| Changes in your vision, if you have type 2 diabetes | Diabetic eye disease getting worse | Call your provider |
| A lump in your neck, hoarseness that lasts, trouble swallowing or shortness of breath | A possible thyroid tumor | Call your provider |
Planning surgery or a procedure with anesthesia or deep sedation? Tell the team you take tirzepatide; it slows stomach emptying.
Also reported
Less common side effects, by how often they happened
| Side effect | Tirzepatide vs placebo |
|---|---|
| Allergic reactions (mostly skin) | 5% vs 3% |
| Burping | 4–5% vs 1% |
| Hair loss | 4–5% vs 1% |
| Acid reflux (GERD) | 4–5% vs 2% |
| Dizziness | 4–5% vs 2% |
| Gas | 3–4% vs 2% |
| Bloating | 3–4% vs 2% |
| Low blood pressure | 1–2% vs 0% |
Hair loss was linked to weight loss and reported mostly in women. Why it happens and what helps.
Side effect questions
What are the most common side effects of tirzepatide?
Nausea, diarrhea, vomiting and constipation. In the trials behind Zepbound, nausea affected 25% to 29% of people depending on dose, versus 8% on placebo.
How long do tirzepatide side effects last?
Most nausea, vomiting and diarrhea happened while the dose was going up, and decreased over time. If they don’t settle, your provider can hold or lower your dose.
Do side effects get worse at higher doses?
Some do. Vomiting rose from 8% at 5 mg to 13% at 15 mg, and diarrhea from 19% to 23%; nausea was 25% to 29% at every dose. Constipation was most common at 5 mg.
What helps nausea on tirzepatide?
Smaller meals, stopping when you feel full, and going easy on high-fat food and alcohol. If nausea is severe or won’t go away, call your provider.
What are the serious side effects of tirzepatide?
They’re uncommon but include pancreatitis, gallbladder problems, kidney problems from dehydration, serious allergic reactions, low blood sugar with some diabetes medicines, and possible thyroid tumors.
Does compounded tirzepatide have the same side effects?
Compounded tirzepatide hasn’t been studied in clinical trials and isn’t FDA-approved. The numbers here come from trials of Zepbound. Tell your provider about any side effect you notice.
Who do I call about a side effect at NexLife?
Call or text us at (949) 818-8000, 24/7. For emergencies, call 911.
Important safety information
Compounded tirzepatide and semaglutide are not FDA-approved, and the FDA hasn’t reviewed them for safety, effectiveness or quality. A provider prescribes them only when they offer a significant difference for you compared with an FDA-approved product. Both medicines may cause thyroid tumors, including cancer: don’t use either if you or a family member has had medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia syndrome type 2 (MEN 2).
Read the full safety information
In studies with rodents, both medicines caused thyroid tumors; it isn’t known whether they cause them in people. Tell your provider if you notice a lump or swelling in your neck, hoarseness, trouble swallowing or shortness of breath.
Serious side effects can include inflammation of the pancreas (pancreatitis), gallbladder problems, low blood sugar (especially with insulin or sulfonylureas), kidney problems from dehydration, severe stomach problems, serious allergic reactions, vision changes in people with type 2 diabetes, and a faster heart rate. Tell your care team before any surgery or procedure that uses anesthesia or deep sedation. Don’t combine either medicine with other GLP-1 medicines.
Tirzepatide can make birth control pills less effective: switch to a non-oral method, or add a barrier method such as condoms, for 4 weeks after you start and for 4 weeks after each dose increase. Both medicines may harm an unborn baby. Semaglutide should be stopped at least 2 months before a planned pregnancy. Tell your provider right away if you’re pregnant, planning to be, or breastfeeding.
This is a summary, not the complete safety information. Read the full Prescribing Information for FDA-approved tirzepatide (Zepbound) and semaglutide (Wegovy), and talk with your provider. You can report side effects to the FDA at 1-800-FDA-1088 or fda.gov/medwatch.
Who checked this page
Adam Kennah, MDMedical Director, NexLife · Board-certified in emergency medicine · NPI 1144260043
Leads the NexLife clinical team, which medically reviewed this page on October 12, 2026.
NexLife editorial teamResearch and pricing
every number against the Zepbound prescribing information (revised August 2026)
- Every fact, sourced. Each price and rule links to the page it comes from.
- How we make money. NexLife is a telehealth provider. We earn revenue when people join NexLife.
- Corrections, fast. See something wrong or out of date? Email care@nexlife.us and we’ll fix it.
One price at every dose
Questions don’t wait for office hours. Neither do we.
Compounded tirzepatide, $169 a month at every dose, with real people on call 24/7.
- 1Tell us about you
A short online health assessment, about 3 minutes.
- 2A licensed provider reviews it
You’re prescribed only if treatment is right for you.
- 3We ship it, then stay with you
Our partner pharmacy usually ships within 1 to 2 business days. Free shipping, 24/7 support.
Sources
- Eli Lilly and Company. Zepbound (tirzepatide) prescribing information.
- The New England Journal of Medicine. Tirzepatide once weekly for the treatment of obesity (SURMOUNT-1), 2022.
- Obesity (Silver Spring). Mozaffarian D, et al. Nutritional priorities to support GLP-1 therapy for obesity: a joint advisory from the American College of Lifestyle Medicine, the American Society for Nutrition, the Obesity Medicine Association and The Obesity Society (2025).
- U.S. Food and Drug Administration. MedWatch: report a problem.
- NexLife. Compounded tirzepatide plans.
- U.S. Food and Drug Administration. FDA’s concerns with unapproved GLP-1 drugs used for weight loss.
- Novo Nordisk. Wegovy (semaglutide) prescribing information.
- LegitScript. Certification lookup for nexlife.us.
- NexLife. Compounded semaglutide plans.