![]() ![]() If a skin biopsy is required, you'll be given a local anaesthetic to numb the affected area so you don't feel any pain or discomfort during the procedure. If your doctor is unable to make a confident diagnosis by examining your skin, they may want to take a small skin sample ( biopsy), which will be examined under a microscope. Your GP may be able to make a diagnosis based on the characteristic rash. However, lichen planus can be mistaken for other skin conditions, such as eczema, which also causes the skin to become red, flaky and itchy. Lichen planus is often diagnosed by a GP or dentist examining the affected area. antimalarial tablets – these help treat and prevent malaria (a serious tropical disease spread by mosquitoes).gold injections – these are disease-modifying anti-rheumatic drugs (DMARDs) that are sometimes injected into the muscles of people with arthritis to help reduce inflammation and painful joints.Reaction to medicationĪ reaction to certain medications is another possible cause of lichen planus. This is known as an autoimmune reaction and causes the symptoms of lichen planus. In people with lichen planus, it's thought that the immune system becomes overactive, causing an excess amount of proteins to be produced, which inflame the skin. The immune system protects your body against illness and infection by producing antibodies (proteins) that attack bacteria and viruses. Lichen planus isn't infectious, doesn't usually run in families and can't be passed on to others. It's thought to be related to the immune system, or an abnormal response of the immune system to certain medicines. ![]()
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