Drug Name:
PONSTEL Rx

Generic Name and Formulations:
Mefenamic acid 250mg; caps.
Company:
Shionogi, Inc.
Therapeutic Use:
Indications for PONSTEL:
Dysmenorrhea.
Adult:
Use lowest effective dose for shortest duration. ≥14yrs: 500mg once, then 250mg every 6hrs; usually for up to 2–3 days.
Children:
<14yrs: not established.
Contraindications:
Aspirin allergy. Coronary artery bypass graft surgery.
Boxed Warning:
Risk of serious cardiovascular and gastrointestinal events.
Warnings/Precautions:
Increased risk of serious cardiovascular events (including MI, stroke). Avoid in recent MI, severe heart failure; if necessary, monitor. Increased risk of serious GI adverse events (including inflammation, bleeding, ulceration, perforation). History of ulcer disease and/or GI bleeding. Hypertension; monitor BP closely. Hepatic or renal impairment. Discontinue if signs/symptoms of liver disease develop, or if abnormal LFTs persist or worsen. Dehydration. Hypovolemia. Advanced renal disease: not recommended. Hyperkalemia. Coagulation disorders. Monitor CBCs, blood chemistry, hepatic, and renal function in long-term therapy. Pre-existing asthma. May mask signs of infection or fever. Discontinue at 1st sign of rash or any other hypersensitivity. Elderly. Debilitated. Labor & delivery. Pregnancy (≥30 weeks gestation: avoid). Nursing mothers: not recommended.
Pharmacological Class:
NSAID (fenamate).
Interactions:
Avoid concomitant aspirin, salicylates (eg, diflunisal, salsalate) or other NSAIDs. Increased risk of GI bleed with anticoagulants, antiplatelets, oral corticosteroids, SSRIs, SNRIs, smoking, alcohol, or prolonged NSAID therapy; monitor. May antagonize, or increase risk of renal failure with diuretics (eg, loop or thiazides), ACE inhibitors, ARBs, or β-blockers; monitor closely. Potentiates digoxin; monitor levels. May potentiate lithium, methotrexate, cyclosporine; monitor for toxicity. Concomitant with pemetrexed may increase risk of pemetrexed-associated myelosuppression, renal, and GI toxicity. May be potentiated by concomitant magnesium-containing antacids.
Adverse Reactions:
GI disturbances, anemia, dizziness, edema, headache, pruritus, rash (may be serious), tinnitus; cardiovascular thrombotic events, GI ulcer/bleed, hepatotoxicity, renal toxicity, hypersensitivity reactions.
Generic Availability:
YES
How Supplied:
Caps—30
Indications for PONSTEL:
Mild-to-moderate pain.
Adult:
Use lowest effective dose for shortest duration. ≥14yrs: 500mg once, then 250mg every 6hrs as needed; usually for up to 7 days.
Children:
<14yrs: not established.
Contraindications:
Aspirin allergy. Coronary artery bypass graft surgery.
Boxed Warning:
Risk of serious cardiovascular and gastrointestinal events.
Warnings/Precautions:
Increased risk of serious cardiovascular events (including MI, stroke). Avoid in recent MI, severe heart failure; if necessary, monitor. Increased risk of serious GI adverse events (including inflammation, bleeding, ulceration, perforation). History of ulcer disease and/or GI bleeding. Hypertension; monitor BP closely. Hepatic or renal impairment. Discontinue if signs/symptoms of liver disease develop, or if abnormal LFTs persist or worsen. Dehydration. Hypovolemia. Advanced renal disease: not recommended. Hyperkalemia. Coagulation disorders. Monitor CBCs, blood chemistry, hepatic, and renal function in long-term therapy. Pre-existing asthma. May mask signs of infection or fever. Discontinue at 1st sign of rash or any other hypersensitivity. Elderly. Debilitated. Labor & delivery. Pregnancy (≥30 weeks gestation: avoid). Nursing mothers: not recommended.
Pharmacological Class:
NSAID (fenamate).
Interactions:
Avoid concomitant aspirin, salicylates (eg, diflunisal, salsalate) or other NSAIDs. Increased risk of GI bleed with anticoagulants, antiplatelets, oral corticosteroids, SSRIs, SNRIs, smoking, alcohol, or prolonged NSAID therapy; monitor. May antagonize, or increase risk of renal failure with diuretics (eg, loop or thiazides), ACE inhibitors, ARBs, or β-blockers; monitor closely. Potentiates digoxin; monitor levels. May potentiate lithium, methotrexate, cyclosporine; monitor for toxicity. Concomitant with pemetrexed may increase risk of pemetrexed-associated myelosuppression, renal, and GI toxicity. May be potentiated by concomitant magnesium-containing antacids.
Adverse Reactions:
GI disturbances, anemia, dizziness, edema, headache, pruritus, rash (may be serious), tinnitus; cardiovascular thrombotic events, GI ulcer/bleed, hepatotoxicity, renal toxicity, hypersensitivity reactions.
Generic Availability:
YES
How Supplied:
Caps—30
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