Charcoal / simethicone Side Effects
Some side effects of charcoal / simethicone may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
Applies to charcoal / simethicone: tablets
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking charcoal / simethicone:
Constipation; diarrhea; temporary darkening of the stool; vomiting.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).