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 Eczema Flare Ups. 1  1. Take oatmeal baths. This method is the most famous and time-honored for a reason. 2  2. Consider alternate bathing methods. While the oatmeal bath is the most widely accepted and practiced way to reduce itching, some experts prefer other methods. 3  3. Take oral medication or apply creams.