This website is intended to assist with patient education and should not be used as a diagnostic, treatment or prescription service, forum or platform. Always consult your own healthcare practitioner for a more personalised and detailed opinion
Diclofenac
Please note: these are basic guidelines, refer to your doctor for a professional medical opinion.
Non-steroidal anti-inflammatory drug, analgesic, drug for gout
Prescription needed?
Yes (most preparations)
What does it do?
Short term pain relief - mild to moderate headache, menstrual pain, pain from minor surgery, acute gout attacks
Regular long term use for pain/inflammation - rheumatoid arthritis, osteoarthritis
Eye drops – for inflammatory eye conditions
How should it be used?
Most oral forms of diclofenac should be taken with food
To minimize side effects use the lowest effective dose for the shortest duration
What is the typical dosage?
Your doctor will recommend a dosage tailored to your need, but typically:
Total daily dose (adults): 75–150mg, taken 1–3 x daily
Children: dose calculated according to weight of child
How quickly will it start to work?
Pain relief within 1 hour, full anti-inflammatory effect in 2 weeks
How long will the effects last?
Up to 12 hours (24 hours with SR-preparations)
When should I stop using it?
Short-term pain relief: can be safely stopped as soon as no longer needed
Long-term treatment: discuss with your doctor before stopping the drug
Is it safe for prolonged use?
Use for the shortest duration possible. Prolonged use can increase the risk of ulceration/perforation/bleeding from the bowel wall; and heart attack or stroke.
What are the possible side effects?
The following have been reported:
More common: heartburn, indigestion, nausea, vomiting
Less common: headache, dizziness, drowsiness, swelling of the feet/legs, weight gain
Report to your doctor before taking your next dose if you experience: rash, itching, wheezing, breathlessness, black/bloodstained vomit or faeces
What other considerations are important?
Dosage may be adjusted by your doctor under certain conditions.
Certain health problems: liver/kidney/heart problems, bleeding disorders, peptic ulcer, porphyria, allergy to aspirin or other NSAIDs, asthma, high blood pressure
Other medicines: other NSAIDs, oral anticoagulants, corticosteroids, SSRI antidepressants, ciclosporin, tacrolimus, antihypertensive drugs, diuretics, lithium, digoxin, methotrexate
Pregnancy and breast-feeding: Not recommended in pregnancy. Small amounts of the drug pass into breast milk, but adverse effects on the baby are unlikely.
Children: Reduced dose necessary
Over 60: Reduced dose may be necessary
Driving and hazardous work: Caution, the drug can cause dizziness, drowsiness and vertigo
Alcohol: Avoid, increases risk of stomach irritation
Surgery and general anaesthetics Discuss with your doctor or dentist before any surgery