Side Effects of Voltaren


Voltaren (diclofenac) is a non steroidal anti inflammatory drug (NSAID). This medicine works by reducing substances in the body that cause pain inflammation.

Voltaren is used to treat pain or inflammation caused by rheumatoid arthritis, osteoarthritis or ankylosing spondylitis.

Get emergency medical help if you have any of these signs of an allergic reaction to Voltaren: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using Voltaren and call your doctor at once if you have a serious side effect such as:

  • chest pain, weakness, shortness of breath, slurred speech, problems with vision or balance;
  • black, bloody, or tarry stools;
  • coughing up blood or vomit that looks like coffee grounds;
  • swelling or rapid weight gain, urinating less than usual or not at all;
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • bruising, severe tingling, numbness, pain, muscle weakness;
  • neck stiffness, chills, increased sensitivity to light, purple spots on the skin, and/or seizure (convulsions); or
  • severe skin reaction — fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.

Less serious Voltaren side effects may include:

  • upset stomach, mild heartburn or stomach pain, diarrhea, constipation bloating, gas;
  • dizziness, headache, nervousness;
  • skin itching or rash;
  • blurred vision; or
  • ringing in your ears.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Overdose symptoms may include nausea, vomiting, stomach pain, drowsiness, black or bloody stools, coughing up blood, shallow breathing, and fainting.


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