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Diphenhydramine ( DPH) is an antihistamine and sedative mainly used to treat allergies, insomnia, and symptoms of the common cold. It is also less commonly used for tremors in parkinsonism, and nausea. [ 11] It is taken by mouth, injected into a vein, injected into a muscle, or applied to the skin. [ 11]
Orphenadrine (sold under many brand names) [ 1] is an anticholinergic drug of the ethanolamine antihistamine class; it is closely related to diphenhydramine. It is a muscle relaxant that is used to treat muscle pain and to help with motor control in Parkinson's disease, but has largely been superseded by newer drugs. [citation needed]
Anticholinergic. Anticholinergics ( anticholinergic agents) are substances that block the action of the acetylcholine (ACh) neurotransmitter at synapses in the central and peripheral nervous system. [ 1][ 2] These agents inhibit the parasympathetic nervous system by selectively blocking the binding of ACh to its receptor in nerve cells.
Substance-induced psychosis (commonly known as toxic psychosis or drug-induced psychosis) is a form of psychosis that is attributed to substance intoxication. It is a psychosis that results from the effects of various substances, such as medicinal and nonmedicinal substances, legal and illegal drugs, chemicals, and plants.
H. 1. antagonist. H1 antagonists, also called H1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions. Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines; other agents may have antihistaminergic ...
Dimenhydrinate. Dimenhydrinate, sold under the brand name Dramamine, among others, is an over-the-counter medication used to treat motion sickness and nausea. Dimenhydrinate is a theoclate salt composed of diphenhydramine (an ethanolamine derivative) and 8-chlorotheophylline (a chlorinated theophylline derivative) in a 1:1 ratio.
Diphenhydramine (often referred to by the trade name Benadryl) is an anticholinergic antihistamine medicine commonly used to treat allergic reactions and symptoms of a common cold, such as coughing. Its central antihistaminergic properties also cause it to act as a sedative , and for this reason it is also used to treat insomnia . [ 24 ]
Psychoactive drugs are administered via oral ingestion as a tablet, capsule, powder, liquid, and beverage; via injection by subcutaneous, intramuscular, and intravenous route; via rectum by suppository and enema; and via inhalation by smoking, vaporizing, and snorting. The efficiency of each method of administration varies from drug to drug.