GLP-1 Dose Schedule
Calculator

Enter your start date to see your complete titration schedule — every dose increase, your current dose, and exactly when you'll reach maintenance. Covers Wegovy, Zepbound, Ozempic, and Mounjaro.

GLP-1 Dose Schedule Calculator

See your full titration timeline from first injection to maintenance dose

Phase
Dose
Progress
Dates
Important: This schedule is for informational planning purposes only. Always follow the specific dosing instructions from your healthcare provider and the medication guide. Do not adjust your dose without medical supervision.

Full titration schedules

Wegovy (semaglutide for weight loss)

The FDA-approved Wegovy titration schedule increases the dose every 4 weeks over 16 weeks to reach the 2.4mg maintenance dose. This gradual ramp-up minimizes nausea and GI side effects, which are the most common reason people discontinue treatment.

WeeksDosePhaseCommon side effects
1–40.25 mg/weekInitiationMild nausea, fatigue
5–80.5 mg/weekEscalation 1Nausea, decreased appetite
9–121.0 mg/weekEscalation 2GI effects peak here for many
13–161.7 mg/weekEscalation 3Usually improving
17+2.4 mg/weekMaintenanceMost patients well-tolerated

Zepbound (tirzepatide for weight loss)

Zepbound has a longer titration schedule — 5 dose levels over 20 weeks — before reaching the 15mg maintenance dose. Some patients may find that 10mg or 12.5mg is their optimal maintenance dose, and providers can hold at those levels.

WeeksDosePhase
1–42.5 mg/weekInitiation
5–85 mg/weekEscalation 1
9–127.5 mg/weekEscalation 2
13–1610 mg/weekEscalation 3
17–2012.5 mg/weekEscalation 4
21+15 mg/weekMaintenance

When to use slow titration

Your provider may recommend a slow titration schedule — staying at each dose level for 8 weeks instead of 4 — if you experience significant nausea, vomiting, or other GI side effects. This is not a failure; it's a common and effective strategy.

Clinical guidance: Studies show that patients who use slow titration have similar long-term weight loss outcomes compared to standard titration, with significantly better tolerability and lower discontinuation rates. The extra weeks at lower doses give your body more time to adapt.

Signs you might benefit from slow titration include: nausea that interferes with daily activities, vomiting after injections, inability to eat normal meals, or significant fatigue in the days following your injection. Always discuss dose adjustments with your prescribing provider before making changes.

What to do if you miss a dose

Missing an occasional dose is not a reason to panic, but timing matters:

  • Within 5 days of missed dose: Take the missed dose as soon as you remember. Resume your normal weekly schedule from that new injection date.
  • More than 5 days late: Skip the missed dose entirely. Take your next scheduled dose on the originally planned day. Never double up.
  • Missing multiple doses in a row: Contact your provider. Your body may have lost its tolerance to side effects and re-starting at a lower dose may be necessary.

Travel tip: GLP-1 injections must be kept refrigerated (36–46°F / 2–8°C) but can be kept at room temperature (below 77°F / 25°C) for up to 28 days once in use. Plan refrigeration arrangements before trips and keep a note of your injection schedule in case of time zone changes.

Frequently asked questions

The standard Wegovy schedule is 0.25mg/week for weeks 1–4, 0.5mg/week for weeks 5–8, 1.0mg/week for weeks 9–12, 1.7mg/week for weeks 13–16, then 2.4mg/week as maintenance from week 17 onward.
Zepbound starts at 2.5mg/week for weeks 1–4, then increases every 4 weeks: 5mg, 7.5mg, 10mg, 12.5mg, reaching the 15mg maintenance dose at week 21. This longer titration is due to tirzepatide's dual GLP-1/GIP mechanism.
Yes. Your healthcare provider can extend any dose level if you're experiencing significant side effects. A slow titration schedule extends each phase from 4 to 8 weeks, which improves tolerability without significantly affecting long-term results.
On the standard schedule, Wegovy reaches maintenance at week 17 (about 4 months) and Zepbound at week 21 (about 5 months). On slow titration, Wegovy reaches maintenance at week 33 and Zepbound at week 41.
If it's within 5 days of your missed dose, inject it as soon as you remember and resume your normal weekly schedule. If more than 5 days have passed, skip the missed dose and take your next scheduled dose at the normal time. Never inject two doses in one week.