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What is Oral and topical drug for nasal decongestion is ? and explain in detail?
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.