> Western Medicines > Voltaren


Used for: Pain, Inflammation
Chinese name:

What is Voltaren?

Voltaren is a type of Nonsteroidal anti-inflammatory drugs (NSAIDs). It is mainly used for localised pain relief and reducing inflammation, and is very effective on affected areas like muscles and bone, which may be caused by sports-related injuries or accidents.

How to use it?

If taking Voltaren orally, it is recommended to take with food to relieve stomach discomfort. It can also be used with a short duration of acid reducing medicines (e.g. Omeprazole, Pantoprazole), or a stomach acid reducing antihistamine (e.g. Famotidine) to prevent this side effect.


For Voltaren 24 Hour Patch
Apply 1 patch / day to the skin in the painful area.


For Voltaren Emulgel
Apply 3-4 times daily to the skin in the painful area and rub-in gently.


For Voltaren Tablets
Delayed-release tablets [enteric-coated]: 100-150 mg/day in 2-4 divided doses.
Sustained-release tablets: 100-150 mg/day taken once daily


For Voltaren Suppositories
75-150 mg daily in 2-3 divided doses.

What are the side effects of Voltaren?

Common side effects of Voltaren include nausea and vomiting, and mild indigestion.

For people taking Voltaren long-term, it may cause kidney injury and stomach bleeding.

Who should not take Voltaren?

  • People who are allergic to Voltaren or any component of the formulation.
  • People who are allergic to NSAIDs and have a history of hypersensitivity reactions (e.g. asthma, urticaria) after taking Aspirin or any other NSAIDs.
  • Patients who has chronic kidney disease

Pharmacist Tips:

  • Only take one NSAIDs at any one time, do not combine Voltaren with other NSAIDs medicines.
  • Voltaren is commonly used topically as a gel for muscle pain and cramps to reduce systemic side effects.

Common dosing schedule:

  • Oral Voltaren can be taken with food to reduce gastrointestinal distress.

This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Voltaren may interact with:

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Voltaren in Hong Kong?

Voltaren skin patches/gels are pharmacy only medicines and can be purchased without a prescription in a registered pharmacy under the supervision of a pharmacist. They can be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


Voltaren tablets, suppositories, and injection are prescription only medicine, and require a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk/

Need more information?

For detailed information about the use of Voltaren in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Available dosage
  • 25mg / 50mg (Enteric-Coated Delayed-Release Tablets)
  • 1% / 2.32% (Gel)
  • 25mg/ml (Injections)
  • 15mg / 30mg (Patches)
  • 12.5mg / 25mg / 50mg / 100mg (Suppositories)
  • 75mg / 100mg (Sustained-Release Tablets)
Drug class
Sub class
Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)
Generic Names
Other drugs in same class
Methyl Salicylate
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