Indications
Diclofenac Diethylamine is applied to the skin as a gel or spray to relieve local pain, swelling and inflammation in muscles, tendons and joints. It is used for sprains, strains, bruises, sports injuries, back pain, neck pain and mild to moderate pain of osteoarthritis in joints near the skin surface, such as the knees and hands.
How It Works
Diclofenac is a non-steroidal anti-inflammatory drug (NSAID). It blocks the enzymes (cyclo-oxygenase, COX) that make prostaglandins, substances that cause pain, swelling and inflammation. The diethylamine salt helps the medicine pass through the skin into the tissues underneath, so it acts where it is applied while much less reaches the bloodstream than with tablets.
Dosage and Administration
Adults and children aged 14 years and over: gently rub a small amount of gel (about the size of a cherry to a walnut, depending on the area) into the painful area 3 to 4 times a day, or use as directed on the label. Wash your hands afterwards, unless the hands are being treated. Do not use more than the label states in a day. If the pain does not improve within 7 days, or gets worse, see a doctor. For external use only.
Interactions
Interactions are unlikely with normal use on the skin. Do not use other products containing NSAIDs on the same area at the same time. If you take NSAID tablets (such as Ibuprofen or Aspirin), blood thinners such as Warfarin, or medicines for blood pressure, ask your pharmacist before using it on large areas or for long periods.
Contraindications
Do not use if you are allergic to Diclofenac, Aspirin or other NSAIDs (for example, if they have caused asthma, hives or a runny nose), in the last 3 months of pregnancy, or on broken, infected or eczema-affected skin.
Side Effects
Side effects are usually mild and occur at the application site: redness, itching, burning, dryness or rash. The skin may become more sensitive to sunlight. Allergic reactions are rare.
Stop using it and get urgent medical help if you develop wheezing or difficulty breathing, swelling of the face, lips or throat, a widespread rash, or blistering of the skin.
Pregnancy and Lactation
Do not use during the last 3 months of pregnancy, as it may harm the baby or affect labour. In the first 6 months of pregnancy, use only if your doctor advises it. It may be used while breastfeeding on a doctor’s advice, for short periods on small areas, but never on the breasts.
Precautions and Warnings
Avoid contact with the eyes, mouth and mucous membranes. Do not cover with an airtight bandage. Avoid strong sunlight and sunbeds on treated skin. Use with care if you have asthma, kidney problems, stomach ulcers or heart disease, and do not apply to large areas for long periods. Not for children under 14 unless a doctor advises it.
Overdose
Overdose is unlikely with use on the skin; wash off any excess. If the gel is swallowed, contact a doctor or pharmacist for advice.
Therapeutic Class
Topical non-steroidal anti-inflammatory drug (NSAID).
Storage
Store below 30°C in a dry place, away from light and out of the reach of children. Do not freeze.
Prepared by the Oshud Alo team from standard drug references. For information only; always follow your doctor's advice.