penicillin V (Veetids, Pen-Vee-K is no longer available in the U.S.) (cont.)

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STORAGE: Tablets should be stored between 15 C and 30 C (59 and 86 F). After mixing with water, the solution should be kept refrigerated and can be used for up to 14 days after it is reconstituted by the pharmacist. It must be shaken before each use and should be kept well-sealed.

PRESCRIBED FOR: Penicillin V is effective for treatment of laryngitis, bronchitis, pneumonia, and soft tissue and skin infections caused by susceptible bacteria. It also is used for preventing recurrence of rheumatic fever and chorea (a disorder of uncontrolled movement of the body). Only mild to moderate infections are treated with oral penicillin V. Patients with more severe infections are given penicillin by injection.

DOSING: The usual adult dose of penicillin V is 125 to 500 mg every 6-8 hours.

DRUG INTERACTIONS: Probenecid (Benemid) causes an increase in the level of penicillin in the blood by reducing the elimination of penicillin by the kidneys. In fact, sometimes probenecid is combined with penicillin so that a smaller amount of penicillin results in higher blood levels. Penicillin may reduce the effectiveness of BCG live vaccine (used for prevention of tuberculosis) or live typhoid vaccine. Penicillin therapy should be completed before giving live bacterial vaccines.

PREGNANCY: Penicillin is considered safe during pregnancy.

NURSING MOTHERS: Penicillin is excreted in breast milk and may cause diarrhea or allergic responses in nursing infants. If penicillin is used while nursing, the potential benefit of penicillin for the mother should be weighed against the potential risk of side effects in the infant. Penicillin is used for treating infections in infants.

Medically Reviewed by a Doctor on 11/14/2014

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