<prompt> Oral and topical drug for nasal decongestion is ?PhenylephrineHistamineMethoxamineDopamine  <response>: Ans. is a i.e., Phenylephrine Phenvlephrine It is selective alpha 1 agonist. Topically it is used as nasal decongestant and in eye for producing mydriasis when cycloplegia is not required. It is also a pa of oral nasal decongestant preparations. 