Aldehyde, Ketone, Carboxylic Acid Aldehyde: Aldehyde is an organic compound which contain formyl group. This functional group, in its structure R-CHO, consist of carboxyl centre bonded to R group and hydrogen.
1 Infections, bites and stings, infestations, chronic diseases, allergic reactions, sun exposure, and dry skin are among the numerous causes of itching.  Anti-itch creams and lotions containing camphor, menthol, phenol, pramoxine (Caladryl, Tronolane), diphenhydramine (Benadryl), or benzocaine can bring relief.
Treating itchy skin in dogs and cats, STEP 4 â antihistamines and prednisone. Prednisone is currently our drug of choice to reduce your dogâs itch while weâre treating the bacteria, yeast, and parasites that may be complicating her itchy skin, and while weâre running the 8 week elimination diet trial test.