lichen planus is a chronic and self-limiting disease. it has been seen that skin lesions subside within 9-12 months in about 50 percent of the cases. since you are still developing fresh lesions you will have to take a course of tablet prednisolone 20 mg daily for 6 weeks which can be reduced gradually. you seem to have severe itching which is not responding much to levocetirizine. i would recommend you take tablet hydroxyzine 25 mg twice daily till the itchy subsides. along with this apply clobetasol propionate on the itchy areas. but if large surface area is involved dilute it in a moisturizing lotion in the ratio of 1:4. this will surely help you. the probable causes:1. immune dysfunction. 2. genetic causes. 3. dental amalgam. 4. stress. 5. anxiety. 6. depression. differential diagnosis:lichenoid drug eruption. probable diagnosis:lichen planus. preventive measures:reduce stress and anxiety. regarding follow up:revert back after four weeks for follow up to a dermatologist online. ---> <link>
how long will it take to get cured of lichen planus?