Antiemetics are drugs used to prevent or treat nausea and vomiting due to multiple causes. Based on their mechanism of action, the most common antiemetics are classified as follows [1]: 1. What Are Dopamine Antagonists? Dopamine antagonists are drugs that block the D2 dopamine receptor in the brain and gastrointestinal neurons by preventing dopamine binding…
Restless leg syndrome (RLS) or Willis-Ekbom disease is a neurological disorder characterized by an irresistible urge to move the legs due to itching, throbbing, and uncomfortable sensations. RLS is a common disease that affects about 10% of the general population [1]. 1. What Is the Main Cause of Restless Leg Syndrome? Although the cause is…
Sedatives are drugs that reduce excitation and irritability, while anxiolytics are drugs that treat anxiety disorders such as social disorder or panic disorder. However, excitation and irritability are symptoms of anxiety disorders, and therefore, both are used for the treatment of anxiety disorders. 1. What Is Excitability and Irritability? Excitation is a physiologic transition from…
