Generic name: Flurbiprofen.

Ansaid is a nonsteroidal anti-inflammatory drug (NSAID). It works by blocking the production of prostaglandins, which may trigger pain.

Quick Facts About Ansaid


Used to treat the inflammation, swelling, stiffness and joint pain caused by rheumatoid arthritis and osteoarthritis.

Ansaid Dosage

Doctor may suggest taking with food or an antacid. Take exactly as prescribed.

  • Usual adult dose:  a total of 200 to 300 milligrams per day. divided into 2, 3, or 4 smaller doses, not to exceed 100 milligrams at any one time or 300 miII grams per day.
  • Usual child dose: not generally prescribed for children.
  • Missed dose: take as soon as possible, unless almost time for next dose. In that case, do not take missed dose; go back to regular schedule. Do not double doses.

Ansaid Side Effects

Overdose symptoms:

agitation, change in pupil size, coma, disorientation, dizziness, double vision, drowsiness, headache, nausea, semiconsciousness, shallow breathing, stomach pain. If you suspect an overdose, immediately seek medical attention.

More common side effects: abdominal bleeding, abdominal pain, anxiety, constipation, depression, diarrhea, dizziness, gas, general feeling of illness, headache, inflammation of the nose, indigestion, loss of memory, nausea, nervousness* rash, ringing in ears, sleepiness, swelling due to fluid retention, tremors, trouble sleeping, urinary tract infection, vision changes, vomiting, weakness, weight changes.

Less common Ansaid side effects: altered sense of smell, anemia, asthma, blood in the urine, bloody diarrhea, bruising, chills and fever, confusion, conjunctivitis (pinkeye), heart failure, hepatitis, high blood pressure, hives, inflammation of the mouth and tongue, inflammation of the stomach, itching, kidney failure, lack of coordination, nosebleed, peptic ulcer, pins and needles, sensitivity of skin to light, severe allergic reaction, skin inflammation with or without sores and crusting, swelling of throat, twitching, vomiting blood, welts, yellow eyes and skin.


Inform your doctor before combining Ansaid with:

Aspirin; beta-blockers such as Inderal and Tenormin; blood thinners such as Coumadin; Cimetidine (Tagamet); diuretics such as Lasix and Bumex; Methotrexate; oral diabetes drugs such as Micronase.

No known food/other substance interactions.

Special Cautions

If pregnant or planning to become pregnant, inform your doctor immediately. Appears in breast milk; could affect a nursing infant.

Seniors are most likely to develop kidney problems while taking this drug.

Not generally prescribed for children.

  • You should not take if you have had any allergic reactions to: Ansaid, Aspirin, Motrin, or similar drugs, or if you have had asthma attacks caused by Aspirin or similar medications.
  • Ulcers or internal bleeding can occur without warning.
  • Use with caution if you have heart disease, high blood pressure, kidney or liver disease, or if you are taking blood-thinning medication.
  • May cause vision problems; blurred and/or decreased vision has been observed when taking this medication.
  • Discuss the risks of using this drug for pain less serious than arthritis.

Note: provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Ansaid side effects, please contact your healthcare provider.