Learn about penicillin V potassium (Penicillin VK) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Penicillin VK package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Learn about Penicillin VK (Penicillin V Potassium), its uses for bacterial infections, dosage guidelines, side effects, and comparisons with alternatives like amoxicillin. Antibiotics such as penicillin V potassium will not work for colds, flu, or other viral infections. Taking antibiotics when they are not needed increases your risk of getting an infection later that resists antibiotic treatment. What is penicillin V potassium? 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. Phenoxymethylpenicillin, also known as penicillin V (PcV) and penicillin VK, is an antibiotic useful for the treatment of a number of bacterial infections. [2] Specifically it is used for the treatment of strep throat, otitis media, and cellulitis. [2] Penicillin V potassium (Beepen-VK, Penicillin VK, V-Cillin-K, Veetids) is an antibiotic used to treat various bacterial infections. Side effects, drug interactions, patient safety, storage, and dosing information is provided. Penicillin V potassium (penicillin VK) is an antibiotic used to treat mild to moderately severe infections due to penicillin G-sensitive microorganisms. Penicillin VK is available in generic form. The bioavailability of penicillin depends on the type: penicillin G has low bioavailability, below 30%, whereas penicillin V has higher bioavailability, between 60 and 70%. What Is Penicillin VK and How Does It Work? Penicillin VK is a prescription medication used to treat Streptococcal Pharyngitis, Actinomycosis, Erysipelas, Periodontal Infections, Recurrent Rheumatic Fever, Rheumatic Fever, and Pneumococcal Systemic Infections.