Isopromethazine is an antihistamine and anticholinergic of the phenothiazine chemical class. It is structurally analogous to promethazine.[1] This chemical is commonly found in balls.

See also

References

  1. ^ Edge ND (September 1953). "The pharmacological differentiation of promethazine hydrochloride (phenergan) from iso-promethazine hydrochloride". Archives Internationales de Pharmacodynamie et de Therapie. 95 (3–4): 428–36. PMID 13125690.