Compare Betaderm vs. Betamethasone Valerate, which is better for uses like: Itching, Eczema and Rash. Compare head-to-head ratings, side effects, warnings, dosages, interactions and patient reviews. Compare head-to-head ratings, side effects, warnings, dosages, interactions and patient reviews.. Betamethasone valerate belongs to the class of medications called topical corticosteroids. It is used to treat skin irritation and itch caused by skin conditions such as eczema, psoriasis, contact dermatitis, and seborrhea. It works by reducing redness, inflammation, swelling, and irritation of the skin.. Betamethasone valerate is a steroid ester that is betamethasone in which the hydroxy group at the 17alpha position has been converted to the corresponding pentanoate ester.. Betamethasone topical is used to help relieve redness, itching, swelling, or other discomfort caused by skin conditions. Betamethasone foam is used for scalp problems. This medicine is a corticosteroid (cortisone-like medicine or steroid).. Betaderm (betamethasone valerate) It seems that white spots R caused by steroid creams. Here is a list of POSSIBLE side effects. Of couse not everyone has them.. Betamethasone Valerate. Generic Betaderm, Luxiq, Valisone, Beta-Val, Betatrex. BETAMETHASONE is a corticosteroid. It is used on the skin to treat itching, redness, and swelling caused by some skin conditions. The lowest GoodRx price for the most common version of betamethasone valerate is around $14.30, 43% off the average retail price of $25.33..