Diclofenac is a strong nonsteroidal anti-inflammatory drug (NSAID). It relieves pain and swelling in arthritis, injuries, and other conditions. It comes as tablets, gels, injections, and suppositories.
What Is Diclofenac Used For?
- Osteoarthritis and rheumatoid arthritis
- Back pain and sprains
- Menstrual pain
- Gout attacks
- Pain after dental work or surgery
How Does Diclofenac Work?
Diclofenac blocks the enzymes COX-1 and COX-2. This lowers prostaglandins, the chemicals that cause pain, swelling, and fever.
General Dosage Information
This is general information only. Your doctor sets the right dose for you, so follow your prescription and the label.
- Adults usually take 50 mg two or three times a day with food. The daily maximum is usually 150 mg.
- Use the lowest dose for the shortest time.
- Gels and patches put less drug into the blood and often cause fewer side effects.
Side Effects of Diclofenac
Common Side Effects
- Stomach pain, heartburn, and nausea
- Diarrhea or constipation
- Headache and dizziness
- Fluid retention
Serious Side Effects
Call your doctor or get emergency help if you notice:
- Black stools or vomiting blood
- Chest pain, shortness of breath, or weakness on one side of the body
- Yellow skin or eyes
- Swelling of the face or trouble breathing
- Very little urine
Who Should Be Cautious?
- People with heart disease or who had a heart attack or stroke
- People with stomach ulcers, kidney disease, or liver disease
- People with asthma triggered by NSAIDs
- Pregnant women after week 30, who should avoid it
Drug Interactions
Tell your doctor and pharmacist about every medicine and supplement you take. Examples of important interactions include:
- Warfarin and other blood thinners: they raise the risk of bleeding.
- Other NSAIDs and aspirin: do not combine them.
- ACE inhibitors, ARBs, and diuretics: with diclofenac they can harm the kidneys.
- Lithium, methotrexate, and cyclosporine: diclofenac can raise their levels.
Storage and Precautions
- Store it at room temperature, away from heat, light, and moisture.
- Keep it out of the reach of children.
Frequently Asked Questions
Should I take it with food?
Yes. Food protects your stomach.
Is it safe for long-term use?
Doctors advise short-term use because of heart and stomach risks.
Can I use diclofenac gel instead?
For joint pain near the skin, gel is often a safer option. Ask your doctor.
Disclaimer: This article is for information only. It is not medical advice. Please talk to your doctor about your own health.