Bring the cautions into the care conversation.
Here are the cautions to take into the visit.
Myth to check
An approval stamp tells me all I need to know.
Rethink that tirzepatide assumption
An approved medicine still has side effects and reasons it may not fit a person. Tirzepatide’s labels spell out both.
The FDA is the US medicine regulator. Its approved label for tirzepatide (Zepbound) includes the trial findings below.
Nausea is the sick feeling in your stomach.
In Zepbound’s weight trials, nausea affected 25–29% on the drug, compared with 8% on a dummy shot.
Diarrhea, throwing up, and constipation were also common in those trials.
The labels checked on 26 September 2026 carry a boxed warning, FDA’s strongest warning, about tumors seen in rats. The warning concerns the type of cancer described below.
Whether the drug can cause these tumors in people remains unknown.
The labels forbid this medicine if you have had the rare cancer called medullary thyroid cancer, or if a family member has had it.
The labels also prohibit use for someone with MEN 2, a rare inherited illness. A serious allergy to tirzepatide or any other ingredient also rules out use.
If you do not know the name of a cancer or family illness, bring medical records and ask the person prescribing to check for these exact names.
The label reports severe stomach reactions and kidney injury linked to fluid loss from those reactions.
It does not recommend Zepbound for severe gastroparesis, where the stomach empties very slowly.
The label also reports pancreatitis, serious inflammation inside the belly, and serious allergic reactions.
Tirzepatide can reduce the protection from birth-control pills.
The Zepbound label tells the person prescribing to discuss another form of birth control, or a backup method used with the pill, for 4 weeks after starting and after each dose increase.
The same label tells the person prescribing to stop Zepbound when pregnancy is found.
Ask for a personal plan for those issues rather than making a change from a web page.
The government health resource MedlinePlus says a severe allergic reaction requires emergency care.
For severe symptoms, including a swollen tongue or trouble breathing, MedlinePlus says to get emergency help.
Evidence
The label shows how often side effects happened in studies, explains the strongest warning, and lists health-history questions for the visit.
DailyMed · US National Library of Medicine
Read the Zepbound prescribing labelEvidence
MedlinePlus explains why severe allergic symptoms need urgent help.
National Institutes of Health · U.S. National Library of Medicine
Read the emergency symptom guidance