Get the tirzepatide dates, units and costs right, with the label behind every number.

Tirzepatide vs semaglutide: what the head-to-head trial showed

You'll get: One trial compared the two drugs head to head for 72 weeks in 751 adults with obesity and no diabetes.

SURMOUNT-5 compared tirzepatide and semaglutide head to head for 72 weeks. The weight results, the main caveats, and how the doses and prices line up.

Costs

Zepbound self-pay prices: every Lilly price with its date

You'll get: Lilly's cash price for Zepbound vials is 299, 399 or 449 dollars for four weekly doses, depending on strength.

The list price at launch, the LillyDirect vial prices at each change since August 2024, the KwikPen self-pay tiers, and a cost tracker that turns them into cost per injection, per milligram and per year.

Guides

The tirzepatide titration schedule, step by step, with dates

You'll get: Titration, the step-up in dose, starts at 2.5 mg and rises by 2.5 mg after at least four weeks per step.

What the Zepbound and Mounjaro labels say about starting at 2.5 mg, moving up in 2.5 mg steps, and which doses count as maintenance. Plus a planner that turns the rules into calendar dates.

Guides

Missed a tirzepatide dose? The 96-hour rule and the 72-hour rule

You'll get: The label says a dose up to four days late can still be taken, and your usual day does not move.

Exactly what the Zepbound and Mounjaro labels say about a late dose, a skipped dose, and changing your injection day, with worked examples and a helper that applies the rules to your times.