VHOSPITAL.CLINIC · Drug Reference

NSAIDAvailable OTC

Diclofenac Side Effects

Like all medications, Diclofenac can cause side effects. Most people do not experience serious adverse effects, but it is important to know what to look for and when to seek medical care.

Common Side Effects

  • Stomach upset, nausea, or heartburn
  • Dizziness or headache
  • Fluid retention or mild oedema
  • Indigestion or bloating

Serious Side Effects

  • Gastrointestinal bleeding or peptic ulcer
  • Acute kidney injury with prolonged use
  • Cardiovascular events (heart attack, stroke) with long-term use
  • Severe allergic reaction or skin reactions
  • Liver toxicity (rare)

When to Seek Medical Care

  • Black, tarry, or bloody stools
  • Sudden severe abdominal pain
  • Chest pain or shortness of breath during use
  • Swelling of the face, lips, or throat
  • Significant decrease in urine output

Safety Note

If you experience any unexpected or concerning symptoms while taking Diclofenac, contact your doctor or pharmacist. Do not stop taking Diclofenac without medical advice unless you experience a serious adverse reaction.

Frequently Asked Questions

Are side effects from Diclofenac common?

Most patients tolerate Diclofenac well at therapeutic doses. Common side effects are usually mild and often improve after the first few weeks. Serious side effects are less common but should be reported immediately.

What should I do if I experience side effects from Diclofenac?

Mild side effects: discuss with your pharmacist, as many resolve spontaneously. Serious side effects: seek medical care immediately and contact your prescriber. Do not stop Diclofenac abruptly for long-term conditions without medical advice.

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Medical Disclaimer: This drug reference is provided for informational purposes only and is not a substitute for professional medical advice. Always consult your physician or pharmacist before changing your medication. Information reviewed by the vHospital Editorial Team · Sources: WHO, BNF, FDA prescribing information.