These substances cause blood vessels to widen, resulting in the affected area becoming red, swollen, itchy and painful. Skin inflammation in psoriasis occurs due to the irritation of the skin, and is caused by the release of various substances important in the immune system. Corticosteroids are medicines used for reducing inflammation. This helps flatten and clear the psoriasis plaques.īetamethasone is a type of medicine called a topical corticosteroid. Calcipotriol reduces the excessive skin cell production and promotes normal skin cell growth. In psoriasis, the scaling and thickening of the skin and the appearance of raised plaques are the result of excessive skin cell production. When applied to the skin it works by reducing the production of skin cells.
Dovobet ointment contains two active ingredients, betamethasone and calcipotriol.Ĭalcipotriol is a medicine that is a derivative of vitamin D.