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Dosage range (mg/day) [4] ~80% SERT occupancy (mg/day) [5] [6] Ratio (dosage / 80% occupancy) Citalopram: 20–40: 40: 0.5–1 Escitalopram: 10–20: 10: 1–2 Fluoxetine: 20–80: 20: 1–4 Fluvoxamine: 50–350: 70: 0.71–5 Paroxetine: 10–60: 20: 0.5–3 Sertraline: 25–200: 50: 0.5–4 Duloxetine: 20–120: 30: 0.67–2 Venlafaxine: 75 ...
Paroxetine was the first antidepressant approved in the United States for the treatment of panic disorder. [27] [page needed] Several studies have concluded that paroxetine is superior to placebo in the treatment of panic disorder. [25] [28] Paroxetine has demonstrated efficacy for the treatment of social anxiety disorder in adults and children.
The Paroxetine developed at that time was paroxetine anhydrate, which is a chalky powder that was hygroscopic. This made it difficult to handle. This made it difficult to handle. In late 1984, while scaling up the production of Paroxetine, a new crystal form ( hemihydrate ) suddenly appeared at two Beecham sites in the UK within a few weeks of ...
The range of possible mechanisms includes (1) nonspecific neurological effects (e.g., sedation) that globally impair behavior including sexual function; (2) specific effects on brain systems mediating sexual function; (3) specific effects on peripheral tissues and organs, such as the penis, that mediate sexual function; and (4) direct or ...
The pharmacology of antidepressants is not entirely clear.. The earliest and probably most widely accepted scientific theory of antidepressant action is the monoamine hypothesis (which can be traced back to the 1950s), which states that depression is due to an imbalance (most often a deficiency) of the monoamine neurotransmitters (namely serotonin, norepinephrine and dopamine). [1]
As demonstrated in table 2, paroxetine also inhibits the NOSs enzyme which could be the reason for its sexual dysfunction adverse effect, especially in men. [18] Paroxetine shows the highest affinity for muscarinic receptors of all the SSRIs which results in weak anticholinergic activity and therefore undesirable adverse effects.
Over two million prescriptions for paroxetine were written for children or adolescents in the US in 2002. [29]Funded by SmithKline Beecham, the acute phase of study 329 was an eight-week, double-blind, randomized clinical trial conducted in 12 university or hospital psychiatric departments in the United States and Canada between 1994 and 1997.
Hypomania, [7] [unreliable medical source] [8] [9] [unreliable medical source] may occur in as many as 8% of patients being treated with paroxetine. May be more common in those with bipolar disorder. Asthenia; Weight gain or loss. Usually gain, paroxetine tends to produce more weight gain than other SSRIs. [6]: 58 Confusion; Emotional lability ...