Monograph Details

Musculoskeletal Disorders > Gout
Probenecid
Manufacturer
Various generic manufacturers
Legal Classification
Rx
Pharmacological Class
Uricosuric.
Generic Name
Probenecid 500mg; scored tabs.
Indications
Hyperuricemia associated with gout and gouty arthritis.
Children
Not recommended.
Adults
250mg twice daily for 1 week, then 500mg twice daily thereafter. Renal impairment, dose adjustments: see literature.
Contraindications
Acute gouty attack. Blood dyscrasias. Uric acid kidney stones. Children <2 yrs of age. Concomitant salicylates (antagonizes uricosuric effect).
Precautions
History of peptic ulcer. Renal insufficiency. G6PD deficiency. Maintain adequate hydration. Alkalization of urine may be required. Pregnancy.
Interactions
Affects renal clearance of many drugs (esp. penicillins). Potentiates methotrexate (monitor and reduce methotrexate dose). May potentiate thiopental, ketamine, NSAIDs, oral sulfonylureas, acetaminophen, lorazepam, rifampin, other sulfonamides. Pyrazinamide antagonizes uricosuric effect. May cause falsely high readings of theophylline levels.
Adverse Reactions
Headache, dizziness, GI upset, urinary frequency, sore gums, uric acid kidney stones, dermatitis, fever, hematuria, renal colic, blood dyscrasias, hemolytic anemia; rare: severe allergic reactions, anaphylaxis.
How Supplied
Contact supplier.