Penicillin v uses?

Penicillin V (phenoxymethylpenicillin) is the oral form of penicillin. It works best against susceptible Gram-positive bacteria (especially streptococci) and is not reliable against beta-lactamase–producing organisms or many Gram‑negatives.

Common uses:
- Infections caused by susceptible streptococci
- Acute streptococcal pharyngitis/tonsillitis
- Scarlet fever
- Erysipelas and nonpurulent cellulitis due to streptococci
- Odontogenic (dental) and orofacial infections
- Some mild to moderate skin and soft tissue infections due to streptococci
- Prophylaxis
- Secondary prophylaxis for rheumatic fever
- Endocarditis prophylaxis in select high‑risk patients undergoing dental/respiratory procedures (when penicillin G/amoxicillin are unsuitable), per local guidelines

Notes:
- Not effective against beta-lactamase–producing organisms (e.g., many strains of Staphylococcus aureus, Haemophilus influenzae with beta-lactamase, Moraxella, many Gram‑negatives).
- For infections caused by resistant organisms or beta-lactamase producers, alternatives such as amoxicillin-clavulanate or other agents are used.
- Always use as directed by a clinician and follow local guidelines for dosing and duration. If penicillin allergy is present, alternatives should be considered.