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How Can Diclofenac (Voltaren) Relieve Plantar Fasciitis Pain?

Learn more about how diclofenac (Voltaren) can be used to treat plantar fasciitis and what its potential side effects are.

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By Janik Sundstrom
Romi Hector
Edited by Romi Hector

Updated February 17, 2023.

Plantar fasciitis is a condition of the sole of the foot whereby pain and inflammation arise in the plantar fascia due to overuse or injury. The pain is usually in the form of a burning sensation or dull ache around the heel of the foot. Symptoms of plantar fasciitis are aggravated by activity or excessive use of the ankle. 

There are many treatments for plantar fasciitis pain, ranging from pharmaceutical treatments to home remedies. Managing inflammation will allow for pain relief and reduced symptoms. NSAIDs (non-steroidal anti-inflammatory drugs) are used to treat pain and inflammation in the body. Diclofenac can be taken orally in capsule form or a diclofenac topical cream, ointment, or pad can be applied.

What Is Diclofenac (Voltaren)?

Diclofenac is used to relieve mild to moderate pain in the body. It is also used to relieve swelling and stiffness caused by various conditions in the feet. Headaches, migraines, and arthritis can also be treated with diclofenac by stopping the inflammatory process. 

How to Use Voltaren for Plantar Fasciitis

Voltaren tablets are available through a prescription and can be taken orally. Voltaren emulgel is a topical gel that is available over the counter. If you take diclofenac daily, try to take it the same time each day without food. You can discuss this with your pharmacist should there be anything you don't understand.

Side Effects of Diclofenac (Voltaren)

Voltaren is a potent anti-inflammatory and can come with some negative side effects, including:

  • Nausea and vomiting
  • Stomach pain 
  • Blood in urine
  • High blood pressure
  • Weight gain 
  • Unusual tiredness and trouble breathing
  • Loss of appetite and increased thirst
  • Lower back pain 
  • Rashes or skin irritation where gel is applied

The long term use of NSAIDs is not advised as it may have negative side effects on the stomach, such as stomach ulcers and bleeding. Using Voltaren during the later stages of pregnancy is not recommended as this may have negative effects on your baby. Other home remedies or treatments may prove to be safer and more effective in managing symptoms of plantar fasciitis.

Should any unwanted side effects arise while using Voltaren, discontinue use and consult a medical professional. Consult a doctor should the symptoms of plantar fasciitis become unbearable or lead to reduced mobility.