Reported side effects may include: Injection-site redness Mild swelling Temporary discomfort Bruising Headache Fatigue Nausea Skin irritation Allergic reactions In addition to ingredient-related effects, there are also important considerations regarding manufacturing quality
One case report does not establish a pattern
Zhou, W., Huang, W., Shen, X., Huang, K., Tian, R., Yuan, Y., et al
Fizzah Iftikhar, orcid.org/0009-0006-9380-632X
Across the SURPASS trials documented in the Mounjaro FDA prescribing information, injection-site reactions occurred in approximately 3-7% of participants depending on dose, while true systemic allergic responses (hives spreading beyond the site, facial swelling, breathing difficulty) are rare
These experiments were conducted at Gubra