Penicillin V is an antibiotic used to treat bacterial infections such as infections of the throat, chest and skin infections such as cellulitis. It is also given to prevent infection if you have had rheumatic fever, or if you have a weakened immune system (eg, if you have had your spleen removed). Penicillin V works by killing or stopping the growth of bacteria (bugs). Like all antibiotics, penicillin V is not effective against infections caused by viruses.
Penicillin V belongs to a group of antibiotics called penicillins. If you have had a severe an allergic reaction to a medicine, especially a penicillin antibiotic, talk to your healthcare provider about it. Most people (9 out of 10 people who think they have a penicillin allergy do not – read more about penicillins and penicillin allergy)