<unk>  is a antihistamine that is FDA approved for the treatment of symptoms due to hay fever (allergic rhinitis) or other upper respiratory allergies, runny nose, sneezing, itching of the nose or throat and itchy, watery eyes.   Common adverse reactions include xerostomia, sedation, nasal mucosa dry, pharyngeal dryness, thick bronchial sputum.
Triprolidine
Chloroprocaine
Oxetacaine
Ropivacaine
Diphenylpyraline
Mepivacaine
Chymopapain
Anthralin