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The extent of vasoconstriction may be slight or severe depending on the substance or circumstance. Many vasoconstrictors also cause pupil dilation. Medications that cause vasoconstriction include: antihistamines, decongestants, and stimulants. Severe vasoconstriction may result in symptoms of intermittent claudication. [1]
Methamphetamine is a sympathomimetic drug that causes vasoconstriction and tachycardia. Methamphetamine also promotes abnormal extra heart beats and irregular heart rhythms some of which may be life-threatening.
Tyramine is considered a "false neurotransmitter", as it enters noradrenergic nerve terminals and displaces large amounts of norepinephrine, which enters the blood stream and causes vasoconstriction. Additionally, cocaine has been found to block blood pressure rise that is originally attributed to tyramine, which is explained by the blocking of ...
It causes a distinctive set of symptoms including aches and pains, rapid heartbeat, elevated blood pressure, sweating, palpitations, anxiety, headache, paleness, and a drop in blood glucose. If sympathetic activity is elevated for an extended time, it can cause weight loss and other stress-related body changes.
Beta blockers interfere with the binding to the receptor of epinephrine and other stress hormones and thereby weaken the effects of stress hormones. Some beta blockers block activation of all types of β-adrenergic receptors and others are selective for one of the three known types of beta receptors, designated β 1, β 2 and β 3 receptors.
A review in 2006 of the literature on use of benzodiazepine and nonbenzodiazepine hypnotics concluded that more research is needed to evaluate the long-term effects of hypnotic drugs. [84] The majority of the problems of benzodiazepines are related to their long-term use rather than their short-term use. [85]
Epinephrine, either exogenous or endogenous, is another vasoconstrictor released by the adrenal glands in response to stress. [28] It binds to α and β adrenergic receptors like norepinephrine, causing vasodilation and vasoconstriction in different body parts to redistribute circulation to critical areas. [2]
551 11998 Ensembl ENSG00000101200 ENSMUSG00000037727 UniProt P01185 P35455 RefSeq (mRNA) NM_000490 NM_009732 RefSeq (protein) NP_000481 NP_033862 Location (UCSC) Chr 20: 3.08 – 3.08 Mb Chr 2: 130.42 – 130.42 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Human vasopressin, also called antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized ...