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Pharmacology Histamine, 5-HT and PGs e4fb98c7

A 19-year-old male complains of Shoness of breath associated with wheezing after he takes aspirin for headache. In cases of aspirin hypersensitivity, which of the following mediators will be responsible for above mentioned condition?

A
Leukotriene LTC4
B
PGE2
C
Prostacyclin
D
Thromboxane
High-Yield Explanation
Aspirin act by inhibiting PG synthesis by cyclo-oxygenase pathway, so PG precursors are diveed to form leukotrienes in the lipoxygenase pathway. In patients having aspirin hypersensitivity, this leads to bronchoconstriction and shoness of breath.

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