What is a key sign of adverse reactions to medication?

Persistent drowsiness is a key sign of adverse reactions to medication because it can indicate that a medication is having an unexpected or unwanted effect on the central nervous system. Many medications, particularly sedatives, antihistamines, antidepressants, and certain pain relievers, are known to cause drowsiness as a side effect. When a patient experiences persistent drowsiness, it may signal that the medication is affecting their alertness and cognitive function, which could compromise their ability to perform daily activities safely.

Recognizing persistent drowsiness as a potential adverse reaction allows healthcare professionals to assess the situation more closely. They may need to adjust the dosage or consider alternative treatments to ensure the patient’s safety and well-being. This understanding is crucial in medication management, as it ensures that patients receive the best possible care without compromising their health.