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Voltaren is a nonsteroidal anti-inflammatory drug (NSAID) renowned for its ability to reduce inflammation and alleviate pain.

Last Modified: 28 Jun 2024

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What is Voltaren? 

Voltaren is a nonsteroidal anti-inflammatory drug (NSAID) renowned for its ability to reduce inflammation and alleviate pain. Its active ingredient is diclofenac, which works by blocking the substances in the body that cause inflammation and pain. 

Voltaren is a brand name for chemically synthesized diclofenac sodium or diclofenac potassium salts. These salts are used to create various formulations of the drug. 

Global Name

The generic name for Voltaren is diclofenac. Several similar brands include Voren, Voltarol, Solaraze, and Pennsaid. 


What is Voltaren used for? 

Voltaren is used to relieve pain, reduce swelling, and improve the mobility in conditions such as: 

  • Osteoarthritis 
  • Rheumatoid arthritis 
  • Ankylosing spondylitis 
  • Menstrual cramps 
  • Migraines 
  • Other types of acute pain

How do you use Voltaren 100mg?  


Voltaren is available in a variety of forms including gel, cream, tablets, and injectable solutions.

Dosage information:

  • Tablets: 50 mg to 100 mg a day in divided doses for adults, depending on the severity of the condition. 75 mg and 100 mg sustained-release formulations are usually prescribed for once daily use.  
  • Gel: Apply 2-4 times daily on the affected area, as per the severity. 
  • Injection: Administered by healthcare professionals only. 


  • Children: Not recommended for children under 14 years unless prescribed. 
  • Adults: Yes, unless suffered from conditions mentioned below.
  • Elderlies: Dose adjustment may be necessary. Caution is advised, especially those with compromised organ functions. Best to consult with a doctor before use. 

Is there anyone who can’t take Voltaren? 

  • Children: Under 14 years for certain formulations unless specifically prescribed. 
  • Adults: Individuals with severe heart, kidney, hyperacidity or peptic ulcer disease, liver issues, or known allergies to NSAIDs. 
  • Pregnancy and Lactation: Generally advised against unless deemed necessary by a healthcare provider. 

Allergies: People allergic to diclofenac or other NSAIDs should avoid Voltaren.

Warnings and Precautions:

  • Monitor heart, liver, and kidney functions during prolonged use. 
  • Not to be used with other NSAIDs. 
  • Avoid if you have ulcers or gastrointestinal bleeding. 

Drug and Food/Beverage Interactions

  • Voltaren may interact with blood thinners, lithium, methotrexate, certain antidepressants, and other NSAIDs. 
  • It should not be used by individuals with active gastrointestinal bleeding, active peptic ulcer disease and moderate to severe kidney disease. 

Side Effects

Common side effects include gastrointestinal discomfort, headache, dizziness, and skin reactions at the application site. Severe side effects could involve heart or kidney problems.

Pharmacist Tips

Storage information: 
Store at room temperature, away from moisture and heat. Keep out of reach of children. 

Handling instructions: 
Follow exact dosing and application instructions. Wash hands before and after applying gels or creams. 


Where is Voltaren available in Hong Kong?

Voltaren is an over-the-counter (OTC) medication that can be sold without a prescription. It is found in all chain drug stores, including Mannings and Watsons.



How quickly does Voltaren work?

Voltaren can start to relieve pain in as little as 30 minutes, especially the oral forms.

Can I use Voltaren gel with tablets simultaneously?

It is not recommended to use multiple forms of Voltaren or other NSAIDs together without medical advice due to increased risk of side effects.

Is Voltaren safe for long-term use? 

Long-term use should be monitored by a healthcare provider due to potential risks for cardiovascular, renal and gastrointestinal events.

Can I drive or operate machinery after taking Voltaren?

Voltaren may cause dizziness or drowsiness (uncommon). It’s recommended to know how it affects you before driving or operating machinery.

This website provides content related to drug use and medicine for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Do not use the information on this website to diagnose or treat a health problem or disease without consulting a qualified healthcare provider. The website's owners and contributors are not liable for any repercussions, adverse effects, or consequences resulting from the use of any medication or information provided herein.

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