GENERIC NAME: penicillin V potassium
BRAND NAME: Beepen-VK, Penicillin VK, V-Cillin-K
DRUG CLASS AND MECHANISM: Penicillin V potassium is penicillin antibiotic that is administered orally. Penicillin V potassium kills bacteria by inhibiting bacterial cell wall synthesis. Some bacterial species against which penicillin V potassium has shown high in-vitro activity include some species of staphylococci, streptococci (groups A, C, G, H, L, and M), and pneumococci. Other bacterial species against which this medication has activity includes Corynebacterium diphtheria, Bacillus anthracis, Clostridia, Actinomyces bovis, Streptobacillus moniliformis, Listeria monocytogenes, Leptospira, Neisseria gonorrhea, and Treponema pallidum.
Penicillin V potassium offers some distinct advantages over penicillin G. Penicillin V potassium is much more resistant to inactivation by stomach acidity, and therefore results in better drug absorption and higher levels in the blood. On average, blood levels of penicillin V potassium is two to five times higher than that observed with same dose of oral penicillin G.
Penicillin V potassium was approved by the US Food and Drug Administration (FDA) in 1956.
PRESCRIBED FOR: Penicillin V potassium is used to treat bacterial infections involving the respiratory tract, middle ear, sinusitis, skin, and soft tissues. It is also used to prevent rheumatic fever.
SIDE EFFECTS: The most common side effects to oral penicillin are:
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.