semaglutide hair falling out shedding like CRAZY on Tirzepatide — anyone switched back to Ozempic? : r/glp1 Some users experience unexpected hair

This comes from the FDA prescribing information, which sets "more than 2 days" as the boundary, and from Novo Nordisk's patient FAQ: "as long as your last dose of Wegovy was given 2 or more days before." Tirzepatide products (Mounjaro and Zepbound) use a different 72-hour minimum

About 45 weeks for most of it, with traces possibly longer

In addition to internal Novo Nordisk approval and compliance with international standards for animal care and use, the DIO mouse study (Figure 1, A and B) performed at Novo Nordisk, China, was conducted under licenses granted by the Beijing Administration Office of Laboratory Animals

Instead, contact your healthcare provider or pharmacist for guidance on next best steps