Dosing
Missed GLP-1 dose guide: rules differ by product
One missed-dose rule cannot cover every GLP-1 treatment. Identify the brand, formulation, and last actual dose before deciding what to do next.
Compare the labeled rules
The table summarizes common product instructions, but it is not a substitute for the prescription and current label. An exactly 2-day Wegovy boundary is not clearly resolved by the label's greater-than and less-than wording; ask the clinician or pharmacist rather than inventing an inclusive rule.
The late-dose window and the minimum interval between actual doses are different requirements. If a schedule is being changed at the same time as a missed dose, have a pharmacist check both.
| Product | Missed-dose instruction |
|---|---|
| Ozempic injection | Take within 5 days; after that, skip |
| Mounjaro or Zepbound | Take within 4 days (96 hours); after that, skip |
| Wegovy injection | Take if next dose is more than 2 days away; skip if less than 2 days away |
| Wegovy tablets | Skip missed tablet; take next dose the following day |
Sources: Ozempic prescribing information · Wegovy prescribing information, including tablets and Wegovy HD · Mounjaro prescribing information · Zepbound prescribing information
Two missed doses are not always the same as one
The June 2026 Wegovy prescribing information calls for restarting escalation at a lower dose after two or more consecutive missed injections. Arrange this with the prescriber rather than returning automatically to the former dose.
For any prolonged interruption, ask how to restart the exact product. A previous maintenance dose does not prove current tolerability, and the reason treatment stopped may affect whether restarting is appropriate. Do not use another person's old starter pen or unlabelled supplies.
Sources: Wegovy prescribing information, including tablets and Wegovy HD · Mounjaro prescribing information · Zepbound prescribing information
Separate uncertainty from a confirmed missed dose
If you cannot tell whether an injection was delivered, contact the pharmacist or prescriber. A repeated injection could give too much medicine. Keep packaging, product name, dose, and the time of the attempt available.
Use a log or reminder to reduce duplicate treatment, especially if more than one person assists with injections. The same tracking approach can help with daily tablets, but a tablet's rules still come from its own label.
Sources: Wegovy prescribing information, including tablets and Wegovy HD · Ozempic prescribing information · Zepbound prescribing information · Mounjaro prescribing information
Use a consistent order before applying a rule
First establish whether a dose was definitely missed or whether delivery is uncertain. Then identify the exact product and route, the scheduled time, and the last actual administration. Finally, check the current product's missed-dose instruction and any separate spacing or restart requirement. This sequence prevents a rule for one brand from being applied to another medicine with a similar ingredient.
For example, Wegovy tablets and Wegovy injection have different missed-dose instructions. Ozempic injection's five-day window does not become the rule for all semaglutide. Tirzepatide's four-day window does not override spacing between actual injections. If a person cannot remember whether they already took a tablet or an injection, repeating treatment "just in case" can create an overdose rather than fix adherence. Ask the pharmacist for guidance in that uncertain situation.
Sources: Wegovy prescribing information, including tablets and Wegovy HD · Ozempic prescribing information · Mounjaro prescribing information · Zepbound prescribing information
Daily products also have distinct interruption rules
Approved oral semaglutide products instruct patients to skip a missed tablet and take the next dose the following day. Foundayo instead has a take-as-soon-as-possible instruction without doubling or taking more than one tablet per day, plus a lower-dose re-escalation instruction after seven or more consecutive missed doses. Those are material differences within medicines commonly grouped together as oral GLP-1s.
Saxenda is a daily injection with its own reinitiation instructions after a longer gap. Consult that product's current label and the prescriber rather than applying a weekly injection rule. This guide is a starting point for identifying the right instructions, not a complete individualized restart protocol. When several doses have been missed, report the duration and reason before using old maintenance supplies.
Sources: Rybelsus and Ozempic tablets prescribing information · Foundayo prescribing information · Saxenda prescribing information
Prevent the next missed or duplicate dose
One clear record is usually more useful than several overlapping alarms. Record actual completion rather than only the intended date, and note any prescriber-directed schedule change. If another person assists, make the completed dose visible to both people. Keep the medicine list current when changing products so reminders do not continue for a discontinued treatment.
After a catch-up or restart plan, ask which date becomes the ongoing schedule and when the next refill is needed. Address the cause of the gap: travel, supply, cost, difficulty with the device, and symptoms require different practical solutions. If side effects caused missed doses, simply adding more reminders leaves the clinical problem unresolved. A pharmacist can teach device use or clarify administration, while the prescriber assesses whether the treatment and dose remain appropriate.
Sources: Wegovy prescribing information, including tablets and Wegovy HD · Zepbound prescribing information · NIDDK: prescription medications to treat overweight and obesity
Sources and evidence
Sources checked October 2, 2026. Prescribing information supports medication facts; provider pages support advertised services. Offers and labels can change.
- Ozempic prescribing information
- Wegovy prescribing information, including tablets and Wegovy HD
- Mounjaro prescribing information
- Zepbound prescribing information
- Rybelsus and Ozempic tablets prescribing information
- Foundayo prescribing information
- Saxenda prescribing information
- NIDDK: prescription medications to treat overweight and obesity