tirzepatide ruling 2025 US judge sides with FDA's removal of Lilly's weight loss drug from shortage list Tirzepatide vs Semaglutide: 2025 NEJM

Alopecia areata A case report published in 2025 documented alopecia areata, an autoimmune-mediated patchy hair loss, following semaglutide treatment

Tirzepatide and Semaglutide belong to a class of drugs called GLP-1 receptor agonists

Retatrutide does not just reduce hunger

Some patients respond exceptionally well to semaglutide and see no need for tirzepatide

The side effect profile is similar in type, with nausea, constipation, and diarrhea being most common, but the severity and tolerability may differ due to the different receptor activation pattern

It slows gastric emptying, reduces appetite signals in the brain, and improves insulin sensitivity