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Missed your GLP‑1 dose? The label rule, in one sentence

Missed a Zepbound dose? Take it within 4 days or skip it, per the FDA label. Check the rule for Wegovy, Ozempic, Mounjaro or Rybelsus in one step.

Which medicine do you take?

When was your dose due?

Timing is measured from when the dose was due, not from your last injection.

Wegovy, less than 48 hours late

Inject it now.

Inject the missed Wegovy dose as soon as you can — your next scheduled dose is still more than 48 hours away, so take it now and keep your usual day.

Missed two or more doses in a row? Resume on your usual day. Your prescriber may restart you at a lower dose to reduce stomach side effects.

Source: Wegovy prescribing information §2.2, checked August 27, 2026.

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Wegovy side effects

  • WegovyTake as soon as possible if the next scheduled dose is more than 48 hours away; if less, skip. 2+ missed doses: resume as scheduled, prescriber may re-titrate.Wegovy PI §2.2
  • OzempicTake within 5 days of the missed dose; after 5 days, skip and resume the usual schedule.Ozempic PI §2.1
  • ZepboundTake within 4 days (96 hours); after that, skip and resume the usual schedule.Zepbound PI §2.2
  • MounjaroTake within 4 days (96 hours); after that, skip and resume the usual schedule.Mounjaro PI §2.2
  • RybelsusSkip the missed day; take the next tablet tomorrow morning per instructions. Never two tablets in one day.Rybelsus PI §2.1

Compounded semaglutide and tirzepatide follow the brand label for the same molecule, unless your prescriber tells you otherwise.

Wegovy says to take the dose if your next dose is more than 48 hours away. That gives you about 5 days, the same as Ozempic. Zepbound and Mounjaro give 4 days (96 hours). Rybelsus is a daily tablet, so you skip the missed day.

~7 d
semaglutide half-life — levels fall slowly, so a 5-day-late dose still lands on a meaningful baseline
Wegovy PI §12.3 · checked August 27, 2026
~5 d
tirzepatide half-life — shorter, hence the tighter 96-hour window before skipping
Zepbound PI §12.3 · checked August 27, 2026
48 h
minimum spacing between two weekly doses — the line no label lets you cross
Ozempic PI §2.1 · checked August 27, 2026
2+
consecutive missed doses — call your prescriber; re-titration from a lower dose may be safer than resuming
Wegovy PI §2.2 · checked August 27, 2026

Each rule comes word for word from the dosing section of the current FDA label. Your answers only pick which part of the label applies. We check each rule again when a label changes. Last check: August 27, 2026.

Missed two or more doses in a row? Talk to your prescriber. A restart at a lower dose can be safer than your usual dose.

“Wegovy: a dose less than 48 hours late should be taken as soon as remembered, per the Wegovy prescribing information §2.2” — GLP1.health missed dose tool, glp1.health/tools/missed-dose, data as of August 27, 2026.

Missed doses

Missed-dose questions

No — on any GLP-1, ever. Doubling is the one instruction every label states without exception, because stacked doses multiply nausea, vomiting and dehydration risk. If you think you already double-dosed, contact your prescriber or Poison Control (1-800-222-1222) now.

The label says resume on your regular day — and talk to your prescriber, who may restart you at a lower dose. After two weeks off, drug levels have fallen enough that jumping back to a high dose commonly reignites the GI side effects titration existed to prevent.

Yes. Ozempic and Wegovy allow a new weekly day any time as long as doses stay at least 48 hours apart; Zepbound and Mounjaro require 72 hours. Travel tip: shift gradually rather than stretching one interval past the label window.

One missed dose, no. Extended gaps — several weeks — often should, especially at higher doses; the Wegovy label explicitly tells prescribers to consider re-escalating after multiple missed doses. That call belongs to your prescriber, not a calculator.

No. Injections absorb from tissue, not the stomach, so vomiting does not eject the dose — redosing would double it. (Rybelsus is the exception territory: absorption is oral, but the label still says never take a second tablet the same day.) Persistent vomiting is a call-your-prescriber symptom.

Follow your prescriber’s instructions first — compounded products have no FDA label of their own. Absent specific instructions, the brand label for the same molecule (semaglutide or tirzepatide) is the reference standard prescribers use, and the windows above apply.

This tool gives the label instructions. It is not medical advice and it cannot see your history. Vomiting that does not stop, bad stomach pain or signs of dehydration after a dosing error need your prescriber now. When in doubt, call.

Data sources · cited with retrieval dates
  1. 1.
    FDA prescribing informationThe labels for every product a tool names, on the label holder’s own sitedailymed.nlm.nih.gov
  2. 2.
    Manufacturer cash programsNovoCare, LillyDirect and TrumpRx published self-pay pricestrumprx.gov
  3. 3.
    CMS NADACNational Average Drug Acquisition Cost, weekly filedata.medicaid.gov

NADAC figures are pharmacy acquisition costs, not retail prices and not what you will pay. This content is educational and is not medical advice.

The data behind this tool
GLP-1 medications