selective serotonin reuptake inhibitor

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inhibitor

 [in-hib´ĭ-tor]
1. any substance that interferes with a chemical reaction, growth, or other biologic activity.
2. a chemical substance that inhibits or checks the action of a tissue organizer or the growth of microorganisms.
3. an effector that reduces the catalytic activity of an enzyme.
ACE i's (angiotensin-converting enzyme i's) see angiotensin-converting enzyme inhibitors.
angiogenesis inhibitor a group of drugs that prevent growth of new blood vessels into a solid tumor.
aromatase i's a class of drugs that inhibit aromatase activity and thus block production of estrogens; used to treat breast cancer and endometriosis.
C1 inhibitor (C1 INH) a member of the serpin group, an inhibitor of C1, the initial component activated in the classical complement pathway. Deficiency of or defect in the protein causes hereditary angioedema.
carbonic anhydrase inhibitor an agent that inhibits the enzyme carbonic anhydrase; used in treatment of glaucoma and sometimes for epilepsy, familial periodic paralysis, acute mountain sickness, and kidney stones of uric acid.
cholinesterase inhibitor anticholinesterase.
COX-2 i's (cyclooxygenase-2 i's) a group of nonsteroidal antiinflammatory drugs that act by inhibiting cyclooxygenase-2 activity; they have fewer gastrointestinal side effects than other NSAIDs. Two members of the group are celecoxib and rofecoxib.
gastric acid pump inhibitor an agent that inhibits gastric acid secretion by blocking the action of H+,K+-ATPase at the secretory surface of gastric parietal cells; called also proton pump i.
HIV protease inhibitor any of a group of antiretroviral drugs active against the human immunodeficiency virus; they prevent protease-mediated cleavage of viral polyproteins, causing production of immature viral particles that are noninfective. Examples include indinavir sulfate, nelfinavir mesylate, ritonavir, and saquinavir.
HMG-CoA reductase i's a group of drugs that competitively inhibit the enzyme that catalyzes the rate-limiting step in cholesterol biosynthesis, and are used to lower plasma lipoprotein levels in the treatment of hyperlipoproteinemia. Called also statins.
membrane inhibitor of reactive lysis (MIRL) protectin.
monoamine oxidase inhibitor any of a group of drugs that inhibit the action of monoamine oxidase, the enzyme that breaks down norepinephrine and serotonin, prescribed for their antidepressant action; the most widely used ones are isocarboxazid, phenelzine, and tranylcypromine. They are also used in the prevention of migraine.
α2-plasmin inhibitor α2-antiplasmin.
plasminogen activator inhibitor (PAI) any of several regulators of the fibrinolytic system that act by binding to and inhibiting free plasminogen activator. Their concentration in plasma is normally low, but is altered in some disturbances of bodily hemostasis. PAI-1 is an important fast-reacting inhibitor of t-plasminogen activator and u-plasminogen activator. Its synthesis, activity, and release are highly regulated; elevated levels of it have been described in a number of disease states. PAI-2 is a normally minor inhibitor that greatly increases in concentration during pregnancy and in certain disorders. PAI-3 is protein C inhibitor.
platelet inhibitor any of a group of agents that inhibit the clotting activity of platelets; the most common ones are aspirin and dipyridamole. See also antiplatelet therapy.
protease inhibitor
1. a substance that blocks activity of endopeptidase (protease), such as in a virus.
protein C inhibitor the primary inhibitor of activated anticoagulant protein C; it is a glycoprotein of the serpin family of proteinase inhibitors and also inhibits several other proteins involved in coagulation (thrombin, kallikrein, and coagulation factors X and XI) and urokinase. Called also plasminogen activator inhibitor 3.
proton pump inhibitor gastric acid pump i.
reverse transcriptase inhibitor a substance that blocks activity of the reverse transcriptase of a retrovirus and is used as an antiretroviral agent. Some are nucleosides or nucleoside analogues, and those that are not are therefore often called non-nucleoside reverse transcriptase inhibitors.
selective serotonin reuptake inhibitor (SSRI) any of a group of drugs that inhibit the inactivation of serotonin by blocking its absorption in the central nervous system; used as antidepressants and in the treatment of obsessive-compulsive disorder and panic disorder.
serine protease inhibitor (serine proteinase inhibitor) serpin.
topoisomerase i's a class of antineoplastic agents that interfere with the arrangement of DNA in cells.

selective serotonin reuptake inhibitor

a class of chemical compounds that selectively, to varying degrees, inhibit the reuptake of serotonin by presynaptic neurons and are posited to exert their antidepressant effect by this mechanism.

selective serotonin reuptake inhibitor

n.
An SSRI.

selective serotonin reuptake inhibitor

Serotonin-selective-reuptake inhibitor, see there.

se·lec·tive ser·o·to·nin re·up·take in·hib·i·tor

(SSRI) (sĕ-lek'tiv ser'ŏ-tō'nin rē-ŭp'tāk in-hib'i-tŏr)
A class of drugs that selectively prevent the reuptake of serotonin and are used for the treatment of depression, e.g., fluoxetine, sertraline.

Selective serotonin reuptake inhibitor (SSRI)

A class of antidepressants that work by blocking the reabsorption of serotonin in the brain, raising the levels of serotonin. SSRIs include Prozac, Zoloft, and Paxil.

se·lec·tive ser·o·to·nin re·up·take in·hib·i·tor

(SSRI) (sĕ-lek'tiv ser'ŏ-tō'nin rē-up'tāk in-hib'i-tŏr)
Class of chemical compounds that selectively, to varying degrees, inhibit reuptake of serotonin by presynaptic neurons and are posited to exert their antidepressant effect by this mechanism.
References in periodicals archive ?
A selective serotonin reuptake inhibitor was used by 23 patients (56.1%) in the cosmetic group and 25 (71.4%) of the general dermatology patients, followed by benzodiazepines, tricyclic antidepressants, and attention-deficit / hyperactivity disorder medications (J Drugs Dermatol.
Selective serotonin reuptake inhibitors (SSRIs) are likely associated with a moderate increased risk of upper gastrointestinal (UGI) bleeding.
Based on the result of two 8-week placebo-controlled studies including 861 patients with MDD and a 52-week open-label study including 599 patients, the company believes that the drug is associated with decreased sexual dysfunction, which is something of an Achilles' heel for selective serotonin reuptake inhibitors (SSRIs).
We thank the journal for publishing a critical review of the potential benefits and risks of Selective Serotonin Reuptake Inhibitor (SSRI) drugs, (1) focusing on the controversial issues of SSRI-associated suicidality and violence.
From ACE inhibitors to zolpidem (a serotonin reuptake inhibitor), this up-to-date reference includes some 1800 monographs on the potential interactions of drugs with other drugs/classes of drugs (prescription, over-the-counter, and some herbal).
Of the participants, 29 percent were taking a selective serotonin reuptake inhibitor, commonly used for depression, and 17 percent were taking an antiepileptic drug, usually to help control pain.
Fluvoxamine maleate is a selective serotonin reuptake inhibitor, which was originally developed in Switzerland in 1983 and has been marketed in Japan since 1999.
People who are depressed often do not show enough serotonin activity, for example, and this is where antidepressant SSRI (selective serotonin reuptake inhibitor) medications might help.
It is a member of the selective serotonin reuptake inhibitor (SSRI) group of drugs, which also includes the controversial Seroxat treatment banned for under-18s in June.
A Lundbeck spokesperson said that Pregabalin cannot be compared to an SSRI (selective serotonin reuptake inhibitor) drug and is not a threat to Cipramil, according to the Danish newspaper Borsen.
John's wort, another third a selective serotonin reuptake inhibitor commonly prescribed for depression, and the final third a placebo (a pill that looks exactly like the SSRI and the St.
prescribing information now includes head-to-head clinical study data that demonstrated superiority to a commonly-used selective serotonin reuptake inhibitor, Lexapro in improving treatment-emergent sexual dysfunction.

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