Amoxicillin, while generally safe, can cause side effects in some babies. It’s crucial to monitor your child closely for any unusual changes.
Common Side Effects
- Diarrhea: This is a relatively frequent side effect. If your baby experiences diarrhea, offer plenty of fluids to prevent dehydration. Vomiting: Occasional vomiting might occur. Small, frequent feedings may help. Skin rash: A mild rash is possible. If it worsens or spreads, contact your doctor immediately. Changes in appetite: Some babies experience a decrease or increase in appetite while taking amoxicillin.
Allergic Reactions: A Serious Concern
Allergic reactions, while uncommon, can be serious. Seek immediate medical attention if your baby develops any of the following:
- Hives or welts: Swelling of the face, lips, or tongue (angioedema): This is a medical emergency. Difficulty breathing: Wheezing: Sudden drop in blood pressure:
Less Common Side Effects
Thrush (oral candidiasis): A fungal infection of the mouth. Yeast infection (vaginal or diaper rash): More common in girls. Changes in blood cell counts: Rare but requires monitoring in some cases.
Always inform your doctor about any pre-existing medical conditions or allergies your baby may have before starting amoxicillin. Remember to complete the full course of antibiotics, even if your baby seems better. Don’t hesitate to contact your doctor or other healthcare professional if you have concerns about side effects or allergic reactions.
When to Contact Your Doctor
Contact your doctor if your baby experiences any persistent or worsening side effects, or if you have any doubts about the medication’s effect.


