What kind of pill is marked r 551. It is a round white tablet

Not medical advice: Pill imprint 551 R has been identified as Diclofenac sodium delayed release 75 mg.

Diclofenac is used to relieve back pain; pain; ankylosing spondylitis; frozen shoulder; muscle pain, and belongs to the drug class nonsteroidal anti-inflammatory agents.

Diclofenac may cause side effects. Always consult your doctor for medical advice.

Dosage:

  • Usual Adult Dose for Osteoarthritis - Diclofenac: 50 mg orally 2 to 3 times a day or 75 mg orally twice a day.
  • Usual Adult Dose for Ankylosing Spondylitis - Diclofenac Sodium: 25 mg orally 4 times a day.
  • Usual Adult Dose for Dysmenorrhea - Diclofenac Potassium: 50 mg orally 3 times a day.
  • Usual Adult Dose for Pain - Diclofenac Potassium: 50 mg orally 3 times a day.
  • Usual Adult Dose for Rheumatoid Arthritis - Diclofenac: 50 mg orally 3 to 4 times a day or 75 mg orally twice a day.
  • Usual Adult Dose for Migraine (for acute treatment of migraine without aura) - Diclofenac potassium for oral solution packets: Mix one packet (50 mg) with 1 to 2 ounces (30 to 60 mL) water in a cup and drink immediately.
  • Usual Pediatric Dose for Pain - Children: 2 to 3 mg/kg/day orally in divided doses 2 to 4 times daily; Maximum dose: 200 mg daily.

In the news, European scientists recently penned a letter calling on diclofenac to be banned, arguing it threatens vulture populations on the European continent. Read more at UPI.com.

Updated on Friday, April 25 2014 at 09:34AM EDT
Collection: diclofenac