Antihistaminic agents, commonly referred to as antihistamines, are drugs that counteract the effects of histamine, a vital biogenic amine involved in various physiological and pathological processes. These agents are primarily used to manage allergic conditions, gastrointestinal issues, and certain central nervous system disorders. Below is a comprehensive exploration of histamine, its receptors, and their distribution […]
Hypnotics are a class of drugs that induce sleep or promote the maintenance of sleep. They are used to treat various sleep disorders, including insomnia, sleep onset difficulty, and sleep maintenance insomnia. Hypnotics act on the central nervous system (CNS) to produce sedation, reduce arousal, and promote relaxation, facilitating the transition from wakefulness to sleep […]
Definition Emergency drugs are medications that are administered in critical or life-threatening situations to address immediate medical needs. These drugs are crucial in various healthcare settings, including emergency departments, intensive care units, and pre-hospital care, where rapid intervention is essential to stabilize patients and prevent further harm. Categories of Emergency Drugs 1. Cardiac Arrest and […]
Antihistamines are a class of drugs designed to counteract the effects of histamine, a natural compound released by the body in response to allergens. Histamine plays a central role in allergic reactions and is responsible for various symptoms such as itching, sneezing, runny nose, and watery eyes. Antihistamines block histamine receptors, thereby preventing or alleviating […]
