Voltaren

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Generic: diclofenac

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Information reviewed July 24, 2026

Rank #1 in NZ TV Ads
Class: NSAID (Non-Steroidal Anti-Inflammatory Drug)

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What is it for?

Voltaren is an anti-inflammatory gel and oral medication widely advertised in New Zealand for relieving pain and inflammation from arthritis, muscle aches, and joint pain.

Primary Condition

Arthritis, muscle pain, joint pain

How it works

Voltaren inhibits cyclooxygenase (COX-1 and COX-2) enzymes that produce prostaglandins — chemicals responsible for pain, swelling, and inflammation in the body.

Common Side Effects

This is not a complete list of side effects. Always consult with a doctor.

  • Stomach upset
  • Heartburn
  • Skin irritation (topical)
  • Increased blood pressure
  • Kidney problems with long-term use

Voltaren FAQs

What is Voltaren used for?

Voltaren (diclofenac) is a prescription medication used to treat Arthritis, muscle pain, joint pain. Voltaren is an anti-inflammatory gel and oral medication widely advertised in New Zealand for relieving pain and inflammation from arthritis, muscle aches, and joint pain.

How does Voltaren work?

Voltaren inhibits cyclooxygenase (COX-1 and COX-2) enzymes that produce prostaglandins — chemicals responsible for pain, swelling, and inflammation in the body.

What are the common side effects of Voltaren?

Commonly reported side effects of Voltaren include Stomach upset, Heartburn, Skin irritation (topical), Increased blood pressure, and Kidney problems with long-term use. This is not a complete list — tell your doctor or pharmacist about any side effects you experience.

Does Voltaren have any serious warnings?

Voltaren does not carry an FDA Boxed Warning, but every prescription medicine has risks and possible interactions. Always follow your doctor's instructions and read the medication guide that comes with it.

What is the generic name for Voltaren?

The active ingredient in Voltaren is diclofenac, which belongs to a class of medicines known as NSAID (Non-Steroidal Anti-Inflammatory Drug).

Who makes Voltaren?

Voltaren is manufactured by Haleon. It was first approved in 1988.

How can I save money on Voltaren?

You may be able to lower the cost of Voltaren by using a free pharmacy discount card or by comparing prices across pharmacies before you fill your prescription. Savings vary by pharmacy and location.

Common questions about Voltaren

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Quick Facts

Manufacturer

Haleon

Year Approved

1988

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