Cold sensitivity likely results from metabolic changes associated with weight loss, including reduced adipose tissue insulation, decreased basal metabolic rate, and adaptive thermogenesis from caloric restriction
"In order to see the results demonstrated in studies, GLP-1 medications should be combined with dietary and lifestyle interventions," says Samantha Flanagan, DO, an obesity medicine specialist with Temple Health in Philadelphia
Seek urgent care within hours for inability to keep fluids down for 12+ hours, high fever (103F+) not responding to medication, severe dizziness/fainting, no urination for 8+ hours, or persistent vomiting/diarrhea beyond 24 hours
That makes tirzepatide the stronger option on paper for some patients
Some compounding sources report longer stability under ideal conditions, and that influences how some pharmacies set BUDs