Lidocaine Hydrochloride 4% Topical Solution by Hikma (Rx)Lidocaine hydrochloride 4% topical solution is a local anesthetic used to numb a specific area of the skin or mucous membranes. It works by blocking nerve signals in your body. This solution is commonly used to provide temporary relief from pain, itching, or discomfort caused by skin irritations, minor burns, insect bites, or other conditions. It's often applied before minor surgical procedures, injections, or other medical procedures to prevent pain.