Newswise — Popular over-the-counter creams, heat gels and other rub-on or spray-on remedies for sports injuries and arthritis aches are unproven and a waste of money, said the author of a new systematic review.

How long does heat rub take to work?

No – Deep Heat Patches are completely odourless and provide up to 16 hours of effective pain relief*. Ideal to help get you through the day. *The patch activates within 1 minute and will heat up within 5 minutes providing penetrating warmth for up to 8 hours.

What are the side effects of deep heat?

Redness, warmth, stinging, or burning on the application site may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.