Tirzepatide Dosing Calendar: Track Your Weekly Schedule

Why tracking matters: Tirzepatide is injected once weekly. Missing doses disrupts the medication's steady-state blood level and can slow your progress. A simple tracking system prevents this.

Setting Up Your Weekly Injection Day

Choose one day of the week and commit to it. Best practices:

Pick a day that is consistent in your schedule — not a day that frequently changes
Set a recurring phone alarm or calendar event with the label "Injection Day"
Many people choose Sunday (start of week, easy to remember) or Friday (side effects fall on weekend rest days)
Tie it to an existing weekly habit — a gym session, a meal prep day, a standing appointment

Sample 20-Week Dosing Calendar

Week	Dose	Injection Day	Notes
1	2.5mg	Your chosen day	First injection — expect mild adjustment
2	2.5mg	Same day	—
3	2.5mg	Same day	—
4	2.5mg	Same day	Last week at 2.5mg
5	5mg	Same day	First escalation — may feel stronger effects
6–8	5mg	Same day	Allow adjustment
9	7.5mg	Same day	Second escalation
10–12	7.5mg	Same day	—
13	10mg	Same day	Third escalation
14–16	10mg	Same day	—
17	12.5mg	Same day	Fourth escalation
18–20	12.5mg	Same day	—

What to Log Each Week

Keep a simple weekly log — a notes app or spreadsheet works fine:

Date of injection
Dose injected (mg)
Injection site used (rotate between abdomen, thigh, arm)
Any side effects and severity (1–10)
Weekly weight (optional but useful)

💡 Even a simple note on your phone the day of each injection is enough. The goal is to confirm you injected on the right day and track patterns in side effects across dose escalations.

Missed Injection — What to Do

If you miss your injection day:

Less than 4 days late: Inject as soon as you remember, then resume your normal weekly schedule
4 or more days late: Skip the missed dose and inject on your next scheduled day — do not double up

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