are some people resistant to glp 1 on GLP-1 drugs can lose drastic amounts of weight, including muscle. An experimental drug might help people retain some of this lean mass. (📸: PixelsEffect/E+/Getty Images) #science #medicine #health #glp1 # GLP-1 Medications: Everything You Need

Common Side Effects (Both Medications): Gastrointestinal Side Effects (Most Common): These typically occur when starting treatment or increasing doses, and often improve over time: Nausea: Most frequent side effect for both medications Semaglutide: 44% of participants in clinical trials Tirzepatide: 30-37% depending on dose Usually mild to moderate Most common in weeks 1-8, improves with continued use Diarrhea: Semaglutide: 30% of participants Tirzepatide: 19-23% depending on dose Often resolves within a few weeks Staying hydrated helps manage symptoms Constipation: Semaglutide: 24% of participants Tirzepatide: 10-17% depending on dose Can alternate with diarrhea Fiber and hydration help Vomiting: Semaglutide: 24% of participants Tirzepatide: 9-17% depending on dose More common at higher doses May require dose reduction Abdominal Pain: Semaglutide: 20% of participants Tirzepatide: 8-11% depending on dose Usually mild, related to slower stomach emptying Other Common Side Effects: Appetite Changes: Decreased appetite (desired effect) Food aversions or taste changes Reduced interest in previously enjoyed foods Early satiety (feeling full quickly) Fatigue: Semaglutide: 11% of participants Tirzepatide: Similar rates Often related to reduced calorie intake May improve as body adjusts Injection Site Reactions: Mild redness, swelling, or itching at injection site Usually resolves within a few days Rotating injection sites helps minimize Headache: Occurs in 10-14% of participants with both medications Usually mild and temporary Often related to dehydration Side Effect Comparison: Why Tirzepatide May Have Fewer GI Side Effects: Despite being more potent, tirzepatide appears to cause slightly less nausea and GI distress

Accessed November 17, 2025

For instance, NMDAR antagonists and antioxidants show promise in mitigating the damage caused by dissociative anesthetics, whereas dopamine reuptake inhibitors and CBT may be more effective for psychostimulant-induced impairments

Inker reports having consultancy agreements with Diamtrix

In addition, Prather said it is important to support patients in avoiding excessive muscle loss at once, as this can negatively affect bone health, and to ensure patients remain hydrated