Chemotherapeutic agents
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Chemotherapy is the use of chemical substances to treat disease. In its modern-day use, it refers primarily to cytotoxic drugs used to treat cancer. In its non-oncological use, the term may also refer to antibiotics (antibacterial chemotherapy). In that sense, … Read More

Decongestants
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A decongestant is a broad class of medications used to relieve nasal congestion. Generally, they work by reducing swelling of the mucous membranes in the nasal passages. The effects are not limited to the nose and these medicines can increase … Read More

Chemical contraception – Hormonal contraception
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Hormonal contraception refers to birth control methods that act on the hormonal system. Currently, all hormonal contraceptives are designed for use by women rather than men, though research on a male hormonal contraceptive (“the male Pill”) has been underway for … Read More

Cannabinoids
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Cannabinoids are a group of chemicals which activate the body’s cannabinoid receptors. Before other types were discovered, the term referred to a unique group of secondary metabolites found in the cannabis plant, which are responsible for the plant’s peculiar pharmacological … Read More

Antitussives
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A cough medicine is a drug used to treat coughing and related conditions. Dry coughs are treated with cough suppressants (antitussives) that suppress the body’s urge to cough, while productive coughs (coughs that produce phlegm) are treated with expectorants that … Read More

Antihistamines
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An antihistamine is a drug which serves to reduce or eliminate effects mediated by histamine, an endogenous chemical mediator released during allergic reactions, through action at the histamine receptor. Only agents where the main therapeutic effect is mediated by negative … Read More

Antidotes
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An antidote can be a substance which can counteract a kind of poisoning. Occasionally, the antidote for a certain toxin is manufactured by injecting the toxin into an animal in compact doses, the resulting antibodies being extracted from the animals’ … Read More

Anticonvulsants
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The anticonvulsants, sometimes also called antiepileptics, belong to a diverse group of pharmaceuticals used in prevention of the occurrence of epileptic seizures. The goal of an anticonvulsant is to suppress the rapid and excessive firing of neurons that start a … Read More

Anticoagulants
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An anticoagulant is a substance that prevents coagulation; that is, it stops blood from clotting. A group of pharmaceuticals called anticoagulants can be used in vivo as a medication for thrombotic disorders. Some chemical compounds are used in medical equipment, … Read More

Anticholinergics
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An anticholinergic agent is a member of a class of pharmaceutical compounds which serve to reduce the effects mediated by acetylcholine in the central nervous system and peripheral nervous system. Anticholinergics are typically reversible competitive inhibitors of one of the … Read More

Drugs
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A drug is a biological substance, synthetic or non-synthetic, that’s taken for non-dietary requirements. It’s generally synthesized outdoors of an organism, but introduced into an organism to create its action. That’s, when taken in to the organisms physique, it’ll create … Read More

Antiarrhythmic agents
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Antiarrhythmic agentsare a group of pharmaceuticals that are used to suppress fast rhythms of the heart (cardiac arrhythmias), such as atrial fibrillation, atrial flutter, ventricular tachycardia, and ventricular fibrillation. While the use of antiarrhythmic agents to suppress atrial arrhythmias (atrial … Read More

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