What are the possible side effects of Penicillin?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects: diarrhea that is watery or bloody fever, chills, body aches, flu symptoms easy bruising or bleeding, unusual weakness urinating less than usual or not at all severe skin rash, itching, or peeling agitation, confusion, unusual thoughts or behavior; or seizure (black-out or convulsions) Less serious side effects are more likely to occur, such as: nausea, vomiting, stomach pain vaginal itching or discharge headache swollen, black, or “hairy” tongue; or thrush (white patches or inside your mouth or throat) This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.