Question: Could any of my medications contain sulfa that could cause an allergic reaction in the form lichen planus? I am allergic to sulfa. History: I am a 56 year old female with type II diabetes, high blood pressure, high cholesterol , & depression for 4 years. Medications: Janumet 50/1000 mg.- one in the morning, one in the evening Glipizide 5 mg.- two in morning, one in the evening Lisinopril 5mg.- one in the morning Simvastatin 40 mg.- one in the evening Cymbalta 60 mg.- one in the morning One year ago- Rash began to develop on trunk, then arms, a few on back, buttock, and legs. Some began resembling a lesion type. Diagnosed by family doctor for scabies and treated repeatedly over a course of 6 weeks with permethrin cream 5% and then once using pills given for it. Skin became red and dry do to repeated treatments for scabies but did not affect rash. Rash continued developing more lesions for another month and then all lesions began to heal up on their own. October 2012- Began an aggressive more severe looking outbreak of lesions starting on my arms, then spread to my stomach, back, buttock, hands & legs, back of neck, chest, palms of hands, & soles of my feet. Most affected areas are on the arms and the soles of the feet which are completely covered with the lesions that hurt and are extremely itchy. Dermatologist diagnosed lichen planus & also oral lichen planus & saying cause not known & no cure. Prescribed triamcinolone .1% cream. Clobetasol propionate ointment .5% for soles of feet. Tested for hepatitis. Test results- no hepatitis. During all this time I have had an overall slight sick feeling with upset stomach.