Can Voltaren gel cause tingling and numbness in hands?

Where are you using the gel? Here are the directions for using it properly. Perhaps you're using it wrong?

How should I use Voltaren Gel?
Use Voltaren Gel exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not use this medicine in larger amounts or for longer than recommended. Use the lowest dose of Voltaren Gel that is effective in treating your condition.

Read all patient information, medication guides, and instruction sheets provided to you. Ask your doctor or pharmacist if you have any questions.

Wash your hands after applying Voltaren Gel, unless you are treating the skin on your hands. Wait at least 10 minutes before dressing or wearing gloves. Wait at least 1 hour before you bathe or shower.

Do not apply to an open skin wound, or on areas of infection, rash, or burn. Do not cover treated skin with a bandage or expose it to heat from a hot tub, heating pad, or sauna. Heat or bandaging can increase the amount of diclofenac you absorb through your skin.

To treat osteoarthritis pain with Voltaren Gel: This medicine is supplied with dosing cards that show you how much gel to use for a 2-gram dose or a 4-gram dose. Squeeze the gel onto this card along the line for your dose. Use no more gel than will fit on the length of your dosing line. Wipe the card directly onto the treatment area and rub gently into the skin.

To treat arthritis pain in the foot, spread the Voltaren Gel out onto all areas of the foot including the toes and soles. When treating the hand, spread the gel out onto all areas of the hand including the fingers and palms.

Store Voltaren Gel at room temperature away from moisture and heat. Do not freeze.

Did you get tested for porphyria? Diclofenac sodium can have reactions with people that have the genetic mutation of porphyria. It might be what caused the symptoms.