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Pharmacology

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Respiratory Systems

Question
3 out of 47
 

Which one of the following is a side effect of beta2 agonist? (AIIMS May 2010)



A Hypoglycemia
B Hypomagnesemia

C Hypophosphatemia
D Hypokalemia

Ans. D Hypokalemia

Beta2 agonists like salbutamol and terbutaline can cause several adverse effects like :

a. Tachycardia due to stimulation of chronotropic Βeta2 receptors and at high dose due to stimulation of Βeta1 receptors also.

b. Tremors may result due to stimulation of muscle spindles.

c. Tolerance may develop due to densensitization of receptors.

d. Transient hyperkalemia followed by prolonged hypokalemia is seen on continued use.

e. Hyperglycemia may develop due to release of glucagon and stimulation of glycogenolysis and gluconeogenesis.

Respiratory Systems Flashcard List

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