<prompt> DOC for Psoriatic ahropathy?Methotrexate5FUPUVASteroid  <response>: Methotrexate is DOC for Psoriatic ahropathy Psoriatic erythroderma Methotrexate is contraindicated in pregnancy and children. DOC for: Psoriatic ahritis- Methotrexate Erythrodermic psoriasis- Methotrexate Pustular psoriasis- Acitretin Methotrexate Impetigo herpetiformis- Systemic steroids cyclosporine 