894. Paregorics
Paregorics are medicines which actually assuage pain, such as compound tincture of camphor, henbane, hops, opium.
895. Prophylactics
Prophylactics are remedies employed to prevent the attack of any particular disease, such as quinine, &c.
896. Purgatives
Purgatives are medicines that promote the evacuation of the bowels, such as senna, aloes, jalap, salts.
897. Refrigerants