Expectorants are drugs that liquefy the lower respiratory tract secretions. They are used for the symptomatic relief of respiratory conditions characterized by a dry, nonproductive cough.
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Antidepressant drugs are classified based on their mechanism of action and effect on neurotransmitters such as serotonin, norepinephrine, and dopamine in the brain. The major classes include: Selectiv
1. Introduction Drug administration is a core nursing responsibility and one of the most important aspects of patient care. Nurses administer medications in hospitals, community settings, and clinics.