Acitretin is used to treat severe skin conditions where the surface of the skin has become thick and scaly. Normally, as new skin cells are produced, older ones are lost. If the skin cells in the outer layer of your skin multiply faster than normal, the old skin cells can build up on the surface of your skin, causing thick or scaly patches.
This is a companion discussion topic for the original article at https://patient.info/medicine/acitretin-capsules-for-psoriasis-neotigason