Question: what are the side effects of too much penicillin?
Answer: 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).