Key Takeaways

• Most side effects are gastrointestinal                  
• Common during dose escalation
• Often temporary and manageable

Detailed Explanation               

Common (very frequent)

• Nausea
• Diarrhoea
• Constipation
• Reduced appetite

Less Common

• Vomiting        
• Indigestion
• Fatigue

Rare but Serious

• Severe abdominal pain (possible pancreatitis)
• Persistent vomiting or dehydration
• Signs of allergic reaction (rash, swelling, breathing difficulty)

Why Side Effects Occur

Mounjaro works on GLP-1 and GIP receptors, which:

• Slow gastric emptying
• Reduce appetite
• Affect gut signalling

This is why most side effects are digestive.

What You Should Do

• Continue treatment if symptoms are mild
• Eat smaller meals and avoid fatty foods
• Stay hydrated

When to Seek Help

• Severe or persistent abdominal pain
• Ongoing vomiting
• Signs of dehydration or allergic reaction