Generic Principen is an antibiotic in the penicillin group of drugs. It is used to treat many different types of infections caused by bacteria, such as ear infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection.
Generic Tegretol is used for controlling certain types of epileptic seizures. It is also used to treat severe pain of the jaw or cheek caused by a facial nerve problem (trigeminal neuralgia).