Question

which of the following is a side effect of biguanides?
hyperglycemia
hypoglycemia
rapid heart rate
weight loss

Explanation:

Biguanides are oral anti - diabetic drugs. They are known to potentially cause weight loss as a side effect. They do not typically cause hyperglycemia (they lower blood sugar), hypoglycemia (risk is low compared to some other drugs), or rapid heart rate as common side effects.

Answer:

Weight loss