What is Penicillin V Potassium prescribed for? Penicillin V potassium is a slow-onset antibiotic that is used to treat many types of mild to moderate infections caused by bacteria, including scarlet fever, pneumonia, skin infections, and infections affecting the nose, mouth, or throat. Is Penicillin V Potassium the same as penicillin? Penicillin V potassium is […]