 [ Symptoms ] i took six benadryl whats going to happen  i just took them to sleep but whats going to happen i usually take two and do not usually get drowsy from that and nothing happens but realistically whats going to happen [ Disease ] i can not answer that question since i do not know the dosage that you took your medical history and how much you weigh so i would strongly suggest that you call you medical provider for patient specific advice on this matter it is not wise to exceed the recommended dosage like this