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Complete dose-conversion chart, washout period, side effect management, and insurance considerations for moving from Semaglutide to Tirzepatide.
This is the standard equivalency between Semaglutide and Tirzepatide doses. Use it to discuss with your prescriber — never to self-titrate.
| Current (Semaglutide) | Equivalent (Tirzepatide) |
|---|---|
| 0.25 mg semaglutide | → 2.5 mg tirzepatide (titration start) |
| 0.5 mg semaglutide | → 2.5 mg tirzepatide |
| 1.0 mg semaglutide | → 5 mg tirzepatide |
| 1.7 mg semaglutide | → 7.5 mg tirzepatide |
| 2.4 mg semaglutide | → 10 mg tirzepatide |
Most prescribers wait 7 days between the last dose of Wegovy Pill (oral semaglutide 25mg) and the first dose of Zepbound. This allows the previous drug to clear the system and reduces the risk of GI side effects from overlapping action.
Always restart at the lowest tirzepatide dose (2.5 mg) for at least 4 weeks regardless of prior semaglutide dose.
Most prescribers recommend 7 days between the last Wegovy Pill (oral semaglutide 25mg) dose and the first Zepbound dose. Always confirm with your prescriber.
Zepbound is a different molecule. Even if you tolerated a high dose of Wegovy Pill (oral semaglutide 25mg), your body needs to re-adapt. Always restart at the lowest tirzepatide dose (2.5 mg) for at least 4 weeks regardless of prior semaglutide dose.
Most plans require prior authorization for the new drug, with documentation of why the switch is medically necessary (efficacy plateau, side effect intolerance, cost). Have your prescriber's office prepare a PA before the switch.
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