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…
Narcolepsy is a chronic neurological disorder affecting the sleep-wake cycles characterized by the following symptoms: In the United States, narcolepsy affects 1 in 2000 people, while it affects 3 million people worldwide [1]. Although narcolepsy can happen at any age, it is typically observed in individuals between the age of 10 and 30 years old….
Anticonvulsant drugs, also known as antiepileptic or antiseizure drugs, are used for the treatment of epileptic seizures. Based on the type and mechanism of action, anticonvulsant drugs are grouped into the following categories: 1. What Is Epileptic Seizure? An epileptic seizure is a neurological disorder due to an abnormally excessive, and repetitive neuronal activity in…
Neurotransmitters are messengers that transmit specific chemical instructions from a neuron to another neuron and from neurons to tissues and organs. The 7 major neurotransmitters are: Neurotransmitters are produced by neurons and released in gaps that are found between neurons and between neurons and organs. These junctions are known as synapses. When neurotransmitters are released…
