Semaglutide Side Effects: What Sacramento Patients Should Know

The most common semaglutide side effects are gastrointestinal. Nausea affects approximately 44% of patients, particularly during dose escalation. It is typically mild to moderate and improves over weeks. Eating smaller meals, avoiding fatty foods, and staying hydrated help manage nausea. Diarrhea (30% of patients) and constipation (24%) are also common. These GI effects result from semaglutide slowing gastric emptying and altering gut motility. Dietary adjustments — including adequate fiber, hydration, and avoiding foods that trigger symptoms — help manage these issues. Vomiting (24%) is most common during the first few weeks and during dose increases. Eating slowly, avoiding lying down after meals, and keeping meals small and bland can reduce vomiting frequency. Most patients find these symptoms resolve substantially after the first 4-8 weeks of treatment.

Some patients experience fatigue or headache during the first few weeks of treatment. These symptoms typically resolve as the body adjusts to the medication. Adequate hydration and proper nutrition help minimize these effects. Hair thinning has been reported by some patients during rapid weight loss. This is typically related to the caloric deficit rather than the medication itself and is usually temporary. Ensuring adequate protein intake (60-80g daily) can help minimize hair thinning. Injection site reactions — redness, itching, or mild pain at the injection site — occur occasionally. Rotating injection sites between the abdomen, thigh, and upper arm reduces this risk.

Serious side effects from semaglutide are rare but important to recognize. Severe abdominal pain that does not resolve could indicate pancreatitis — seek immediate medical attention. Changes in vision, particularly if sudden, should be reported to your provider. Signs of allergic reaction — swelling of face, lips, or tongue, difficulty breathing, rapid heartbeat — require emergency care. These reactions are extremely rare but warrant awareness. Gallbladder problems (pain in the upper right abdomen, nausea, vomiting, jaundice) can occur with rapid weight loss. Your provider at A Touch Above MedSpa monitors for these complications during regular check-ins. For Sacramento patients, the 50-minute distance from A Touch Above MedSpa underscores the importance of having clear communication channels with your provider. Emergency contact information is provided at your initial appointment.