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The drug itself reaches its peak plasma level after 1 hour and has also a half-life of 1 hour. Sibutramine is metabolized by cytochrome P450 isozyme CYP3A4 into two pharmacologically active primary and secondary amines (called active metabolites 1 and 2) with half-lives of 14 and 16 hours, respectively. Peak plasma concentrations of active ...
Flunarizine is a selective calcium antagonist with moderate other actions including antihistamine, serotonin receptor blocking and dopamine D 2 blocking activity. Compared to other calcium channel blockers such as dihydropyridine derivatives, verapamil and diltiazem, flunarizine has low affinity to voltage-dependent calcium channels.
Liver toxicity is an uncommon but potentially serious side effect, and risk groups e.g. those with already impaired liver function should be monitored closely. That said, the rate of disulfiram-induced hepatitis are estimated to be in between 1 per 25,000 to 1 in 30,000, [ 13 ] and rarely the primary cause for treatment cessation.
Less-common side effects can include excess air or gas in your stomach, burping, heartburn, indigestion, fast heartbeat, low blood sugar, low energy and fatigue, or even gallstones, Dr. Comite says.
However, it does act as a high affinity antagonist of the histamine H 1 receptor [24] and is a low to moderate affinity antagonist of the dopamine D 2, serotonin 5-HT 2, and α 1-adrenergic receptors. [3] [23] H 1 receptor antagonism accounts for its antihistamine effects and associated sedative side effects.
Rupatadine is a second generation, non-sedating, long-acting histamine antagonist with selective peripheral H 1 receptor antagonist activity. It further blocks the receptors of the platelet-activating factor (PAF) according to in vitro and in vivo studies.
Adverse effect incidence [2] [5] [6] [16] [17]. Common (>1% incidence) adverse effects include. Extrapyramidal side effects such as: (which usually become apparent soon after therapy is begun or soon after an increase in dose is made)
The usual dosage of etifoxine (as the hydrochloride salt) is 150 to 200 mg per day in divided doses of 50 to 100 mg two to three times per day (e.g., 50 mg–50 mg–100 mg). [ 2 ] [ 7 ] [ 6 ] [ 18 ] [ 1 ] [ 19 ] [ 20 ] It is taken for a few days to a few weeks, but no longer than 12 weeks.