 [ Symptoms ] does penicillin go in a mans semen sperm  my fiance has been taking penicillin vk 500mg for three days and we forgot and made love i have a sever reaction to penicillin should i be worried [ Disease ] if overdose is suspected contact a poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canada residents can call a provincial poison control center symptoms of overdose may include slow breathing slowirregular heartbeat loss of consciousness seizure