Coatex medicated shampoo for dogs and cats coatex is a medicated shampoo to help maintain healthy skin and coat condition an effective alternative to prescription only shampoos coatex medicated shampoo is a universal shampoo which may be used for common dermatological conditions such as dermatitis poor coat condition and flaky or greasy skin the shampoos comprehensive formulation provides the required active ingredients necessary to ensure safe fast and effective results contains chl