Complex sentence: Phenindamine (Nolahist, Thephorin) is an antihistamine and anticholinergic closely related to cyproheptadine which is used to treat symptoms of the common cold and allergies, such as sneezing, itching, rashes, and hives.
Split into simpler sentences: Phenindamine (Nolahist, Thephorin) is an antihistamine and anticholinergic closely related to cyproheptadine. It is used to treat symptoms of the common cold and allergies, such as sneezing, itching, rashes, and hives.