Penicillin V Potassium Capsules is suitable for mild and moderate infections caused by penicillin-sensitive strains, including tonsillitis, pharyngitis, scarlet fever, erysipelas, etc. caused by streptococcus; bronchitis, pneumonia, otitis media, and sinusitis caused by pneumococcus; and Skin and soft tissue infections caused by susceptible staphylococcus. Penicillin V potassium can also be used as a preventive drug for rheumatic fever recurrence and infective endocarditis, and can also be used for spirochete infection.