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.
1 taking a bath or shower as soon as possible after any possible exposure to chiggers. 2  applying your favorite OTC medication for itching, such as hydrocortisone, Calamine lotion, Sarna, oatmeal baths, etc. 3  oral Benadryl.  a prescription strength steroid cream.