This drug is also contraindicated for patients with erythrodermic, exfoliative, or pustular psoriasis. In rare instances, skin hypersensitivity can result in exfoliative skin eruptions, edema, and fever. Impetigo (caused by "Streptococcus pyogenes" and/or "Staphylococcus aureus"), can manifest as an exfoliative cheilitis-like appearance. Topical steroids are the primary category of medications used to treat exfoliative dermatitis. Other drugs specifically indicated for management of underlying cause of exfoliative dermatitis may be necessary. Erythroderma is generalized exfoliative dermatitis, which involves 90% or more of the patient's skin. The most common causes of exfoliative dermatitis are best remembered by the mnemonic device ID-SCALP. Exfoliative cheilitis has also been linked to HIV/AIDS. Other non-discoid variants of CLE include vesciular CLE, exfoliative CLE and mucocutaenous CLE. There are two methods of collecting cells for cytopathologic analysis&colon; exfoliative cytology, and intervention cytology. In ICD-10, a distinction is made between "exfoliative dermatitis" at L26, and "erythroderma" at L53.9.