An overdose of benzocaine can cause fatal side effects if too much of the medicine is absorbed through your skin and into your blood. This can happen if you apply more than the recommended dose.

A mouth ulcer is a sore that appears anywhere inside your mouth. These sores are usually red, yellow or white, and you might have one or several. An allergic reaction (burning, stinging, itching and/or a rash) or skin Irritation may occasionally occur. Very, very rarely a condition called methaemoglobinaemia may occur. This is a medicine; Consult your doctor or pharmacist if you have an underlying medical condition, are taking any other medication or complementary therapy, or if symptoms persist.Orajel Dental Gel is intended for short-term use until you can get to a dentist. It should not be used continuously. Orajel Maximum Strength Toothache Gel contains the active ingredient Benzocaine 20%. Benzocaine is a local anaesthetic that will provide effective relief by numbing the painful area. Orajel Maximum Strength is a topical gel that is applied directly to the source of your toothache where a tooth is broken or where there is decay.

If you have been told by your doctor that you have difficulty converting component of your blood called methaemoglobin to haemoglobin. Please don’t be worried. Most people taking this medicine will not experience any problems.Get emergency medical help if you have signs of an allergic reaction to Orajel: hives; difficult breathing; swelling of your face, lips, tongue, or throat. The dental pulp is the middle layer of the tooth that contains the nerves and blood vessels. When this layer becomes inflamed, irritated or exposed toothache can occur causing pain. This exposure can be caused by several factors, such as: