acitretin
noun
ac·i·tret·in
| \ ˌa-sə-ˈtre-tᵊn
\
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Medical Definition of acitretin
: a retinoid drug C21H26O3 that is the principal metabolite of etretinate and is taken orally in the treatment of severe psoriasis
Acitretin, although less effective as monotherapy, approaches methotrexate and cyclosporine in efficacy when combined with PUVA or UVB phototherapy.— Lynne Lamberg, The Journal of the American Medical Association, 4 June 2003
Note: Acitretin is marketed under the trademark Soriatane.