I looked it up and I think OTC Aleve has 220mg of naproxwn sodium per tablet. Smiley J, here is a comprensive list of potential side effects.
ADVERSE REACTIONS SIGNIFICANT
1% to 10%:
Cardiovascular: Edema (3% to 9%), palpitations (<3%)
Central nervous system: Dizziness (3% to 9%), drowsiness (3% to 9%), headache (3% to 9%), lightheadedness (<3%), vertigo (<3%)
Dermatologic: Pruritus (3% to 9%), skin eruption (3% to 9%), ecchymosis (3% to 9%), purpura (<3%), rash
Endocrine & metabolic: Fluid retention (3% to 9%)
Gastrointestinal: Abdominal pain (3% to 9%), constipation (3% to 9%), nausea (3% to 9%), heartburn (3% to 9%), diarrhea (<3%), dyspepsia (<3%), stomatitis (<3%), heartburn (<3%), flatulence, gross bleeding/perforation, indigestion, ulcers, vomiting
Genitourinary: Abnormal renal function
Hematologic: Hemolysis (3% to 9%), ecchymosis (3% to 9%), anemia, bleeding time increased
Hepatic: LFTs increased
Ocular: Visual disturbances (<3%)
Otic: Tinnitus (3% to 9%), hearing disturbances (<3%)
Respiratory: Dyspnea (3% to 9%)
Miscellaneous: Diaphoresis (<3%), thirst (<3%)
<1% (Limited to important or life-threatening): Agranulocytosis, alopecia, anaphylactic/anaphylactoid reaction, angioneurotic edema, arrhythmia, aseptic meningitis, asthma, blurred vision, cognitive dysfunction, colitis, coma, confusion, CHF, conjunctivitis, cystitis, depression, dream abnormalities, dysuria, eosinophilia, eosinophilic pneumonitis, erythema multiforme, exfoliative dermatitis, glossitis, granulocytopenia, hallucinations, hematemesis, hepatitis, hyper-/hypoglycemia, hyper-/hypotension, infection, interstitial nephritis, melena, jaundice, leukopenia, liver failure, lymphadenopathy, menstrual disorders, malaise, MI, muscle weakness, myalgia, oliguria, pancreatitis, pancytopenia, paresthesia, photosensitivity, pneumonia, polyuria, proteinuria, pyrexia, rectal bleeding, renal failure, renal papillary necrosis, respiratory depression, sepsis, Stevens-Johnson syndrome, tachycardia, seizure, syncope, thrombocytopenia, toxic epidermal necrolysis ulcerative stomatitis, vasculitis