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Generic name: diclofenac sodium and misoprostol

What is Arthrotec?

Arthrotec contains 2 medicines:

  1. Diclofenac is a non-steroidal anti-inflammatory drug (NSAID). See "What is the most important information I should know about medicines called nonsteroidal anti-inflammatory drugs (NSAIDs)?"
  2. Misoprostol is a medicine used to protect the lining of the esophagus, stomach and intestines while taking diclofenac.

Arthrotec is a prescription medicine used to treat:

What are NSAIDs?

NSAIDs are used to treat pain and redness, swelling, and heat (inflammation) from medical conditions such as different types of arthritis, menstrual cramps, and other types of short-term pain.

What is the most important information I should know about Arthrotec?

Arthrotec contains diclofenac (a nonsteroidal anti-inflammatory drug (NSAID)) and misoprostol, and can cause abortion, premature birth, birth defects, and the uterus to tear (uterine rupture). The risk of uterine rupture increases as your pregnancy advances, if you have given birth to 5 or more children, and if you have had surgery on the uterus, such as a cesarean delivery. Do not take Arthrotec if you are pregnant.

What is the most important information I should know about medicines containing Nonsteroidal Anti-inflammatory Drugs (NSAIDs)?

NSAIDs can cause serious side effects, including:

  • Increased risk of a heart attack or stroke that can lead to death. This risk may happen early in treatment and may increase:
    • with increasing doses of NSAIDs
    • with longer use of NSAIDs

Do not take NSAID containing medicines right before or after a heart surgery called a "coronary artery bypass graft (CABG)."

Avoid taking NSAID containing medicines after a recent heart attack, unless your healthcare provider tells you to. You may have an increased risk of another heart attack if you take NSAIDs after a recent heart attack

  • Increased risk of bleeding, ulcers, and tears (perforation) of the esophagus (tube leading from the mouth to the stomach), stomach and intestines:
    • anytime during use
    • without warning symptoms
    • that may cause death

The risk of getting an ulcer or bleeding increases with:

  • past history of stomach ulcers, or stomach or intestinal bleeding with use of NSAIDs
  • taking medicines called "corticosteroids", "antiplatelet drugs", "anticoagulants", "SSRIs", or "SNRIs"
  • increasing doses of NSAIDs
  • longer use of NSAIDs
  • smoking
  • drinking alcohol
  • older age
  • poor health
  • advanced liver disease
  • bleeding problems

NSAID containing medicines should only be used:

  • exactly as prescribed
  • at the lowest dose possible for your treatment
  • for the shortest time needed

Who should not take Arthrotec?

Do not take Arthrotec:

  • if you are allergic to diclofenac, misoprostol or any other ingredients in Arthrotec. See the end of this Medication Guide for a list of ingredients in Arthrotec.
  • if you have had an asthma attack, hives, or other allergic reaction with aspirin or any other NSAIDs.
  • right before or after heart bypass surgery.
  • if you are pregnant.
  • If you currently have bleeding in your stomach (gastrointestinal bleeding).

What should I tell my healthcare provider before taking Arthrotec?

Before taking Arthrotec, tell your healthcare provider about all of your medical conditions, including if you:

  • have liver or kidney problems.
  • have high blood pressure.
  • have asthma.
  • are pregnant or plan to become pregnant. See "Who should not take Arthrotec?"
  • are breastfeeding or plan to breast feed.

Tell your healthcare provider about all of the medicines you take, including prescription or over-the-counter medicines, vitamins or herbal supplements. NSAIDs and some other medicines can interact with each other and cause serious side effects. Do not start taking any new medicine without talking to your healthcare provider first.

How should I take Arthrotec?

  • Take Arthrotec exactly as prescribed by your healthcare provider.
  • Use the lowest effective dosage for shortest duration consistent with individual patient treatment goals.
  • Osteoarthritis: One tablet (containing 50 mg of diclofenac and 200 mcg of misoprostol) two or three times daily; or one tablet (containing 75 mg of diclofenac and 200 mcg of misoprostol) two times daily. A dosage of diclofenac higher than 150 mg/day is not recommended.
  • Rheumatoid Arthritis: One tablet (containing 50 mg of diclofenac and 200 mcg of misoprostol) two to four times daily; or one tablet (containing 75 mg of diclofenac and 200 mcg of misoprostol) two times daily. A dosage of diclofenac higher than 200 mg/day is not recommended.

What are the possible side effects of Arthrotec and other NSAIDs?

NSAIDs can cause serious side effects, including:

Get emergency help right away if you get any of the following symptoms:

  • shortness of breath or trouble breathing
  • chest pain
  • weakness in one part or side of your body
  • slurred speech
  • swelling of the face or throat

Stop taking your NSAID and call your healthcare provider right away if you get any of the following symptoms:

  • nausea
  • more tired or weaker than usual
  • diarrhea
  • itching
  • your skin or eyes look yellow
  • indigestion or stomach pain
  • flu-like symptoms
  • vomit blood
  • there is blood in your bowel movement or it is black and sticky like tar
  • unusual weight gain
  • skin rash or blisters with fever
  • swelling of the arms, legs, hands and feet

If you take too much of your NSAID, call your healthcare provider or get medical help right away.

These are not all the possible side effects of NSAIDs. For more information, ask your healthcare provider or pharmacist about NSAIDs.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Other information about NSAIDs

  • Aspirin is an NSAID but it does not increase the chance of a heart attack. Aspirin can cause bleeding in the brain, stomach, and intestines. Aspirin can also cause ulcers in the stomach and intestines.
  • Some NSAIDs are sold in lower doses without a prescription (over-the-counter). Talk to your healthcare provider before using over-the-counter NSAIDs for more than 10 days.

Arthrotec Images

General information about the safe and effective use of Arthrotec

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use NSAIDs for a condition for which it was not prescribed. Do not give NSAIDs to other people, even if they have the same symptoms that you have. It may harm them.

If you would like more information about NSAIDs, talk with your healthcare provider. You can ask your pharmacist or healthcare provider for information about NSAIDs that is written for health professionals.

How should I store Arthrotec?

  • Keep out of reach of children

What are the ingredients in Arthrotec?

Active ingredients: diclofenac sodium, misoprostol.

Inactive ingredients: colloidal silicon dioxide, crospovidone, hydrogenated castor oil, hypromellose, lactose, magnesium stearate, methacrylic acid copolymer, microcrystalline cellulose, povidone (polyvidone) K-30, sodium hydroxide, starch (corn), talc, triethyl citrate.

For more information, go to or call 1-800-438-1985.

Source: National Library of Medicine. Last updated August 13, 2021.