Drug Nasal Decongestants Sufficient SCDO:0000791 Nasal Vasoconstrictor Agents Drugs designed to treat inflammation of the nasal passages, generally the result of an infection (more often than not the common cold) or an allergy related condition, e.g., hay fever. The inflammation involves swelling of the mucous membrane that lines the nasal passages and results in inordinate mucus production. The primary class of nasal decongestants are vasoconstrictor agents. (From PharmAssist, The Family Guide to Health and Medicine, 1993) MESH:D014663 Nasal Vasoconstrictors Supportive Therapeutics