Classes
DEA Class; Rx
Common Brand Names; Nalfon
NSAIDs
Description
Propionic acid NSAID; has antipyretic and analgesic properties; for RA, OA, and mild to moderate pain; causes an increased risk of serious gastrointestinal adverse effects; may cause an increased risk of serious cardiovascular events; use lowest effective dose for the shortest possible duration.
Indications
For the treatment of mild pain and moderate pain.
For the treatment of osteoarthritis or rheumatoid arthritis.
For migraine prophylaxis.
Contraindications
Absolute: ASA allergy
Relative: bleeding disorders, duodenal/gastric/peptic ulcer, renal impairment, stomatitis, SLE, ulcerative colitis, upper GI disease, late pregnancy (may cause premature closure of ductus arteriosus)
Adverse Effects
>10%
Dyspepsia (10.3%)
Somnolence
Increased LFT
1-10%
Abdominal pain
Anemia
Diarrhea
Dizziness
Edema
Headache
Constipation
Confusion
Tremor
Sweating
Tinnitus
Warnings
Use caution in asthma (bronchial), cardiac disease, CHF, hepatic impairment, HTN
Long-term administration of NSAIDs may result in renal papillary necrosis and other renal injury; patients at greatest risk include the elderly, or those with impaired renal function, hypovolemia, heart failure, liver dysfunction, salt depletion, and individuals taking diuretics, ACE inhibitors, or ARBs
Pregnancy and Lactation
Pregnancy; Data from observational studies regarding other potential embryofetal risks of NSAID use in women in the first or second trimesters of pregnancy are inconclusive
Maximum Dosage
3,200 mg/day PO.
3,200 mg/day PO.
Safety and efficacy have not been established.
Safety and efficacy have not been established.
Safety and efficacy have not been established.
Safety and efficacy have not been established.
How supplied
Capsule
- 200mg
- 400mg
Tablets
- 600mg