 [ Symptoms ] is there a chance of me being pregnant  me and my partner had unprotected sex and he finished in me but 2 days i got my period after my period we had sex again and it happened again so i am not sure if i am can you help me [ Disease ] there are some antibiotics that can cause sun sensitive reactions penicillin is not on the list for sun sensitivity you are also safe with the prednisone ask your pharmacist before leaving the pharmacy counter if any of your medications can cause skin irritation or increase the risk of sunburn