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Hydromorphone, also known as dihydromorphinone, and sold under the brand name Dilaudid among others, is a morphinan opioid used to treat moderate to severe pain. [7] Typically, long-term use is only recommended for pain due to cancer. [9]
Midodrine is a prodrug which forms the active metabolite, desglymidodrine, which is an α 1-adrenergic receptor agonist and exerts its actions via activation of α 1-adrenergic receptors of the arteriolar and venous vasculature, producing an increase in vascular tone and elevation of blood pressure.
Losartan/hydrochlorothiazide, sold under the brand name Hyzaar among others, is a fixed-dose combination medication used to treat high blood pressure when losartan is not sufficient. [ 1 ] [ 2 ] It consists of losartan, an angiotensin II receptor blocker ; and hydrochlorothiazide , a thiazide diuretic .
An H 3 receptor antagonist is a type of antihistaminic drug used to block the action of histamine at H 3 receptors.. Unlike the H 1 and H 2 receptors which have primarily peripheral actions, but cause sedation if they are blocked in the brain, H 3 receptors are primarily found in the brain and are inhibitory autoreceptors located on histaminergic nerve terminals, which modulate the release of ...
It is conjugated in the kidney for excretion in the urine, where 75% of the drug is excreted, [117] and about 15% is eliminated in feces. [118]: 430 Desmethylmirtazapine is an active metabolite of mirtazapine which is believed to contribute about 3-10% to the drug's overall effects and has a half-life of about 25 hours. [8]
Phenelzine 15 mg tablets. Phenelzine is administered orally in the form of phenelzine sulfate [4] and is rapidly absorbed from the gastrointestinal tract. [33] The time to peak plasma concentration is 43 minutes, and the half-life is 11.6 hours. [34] Unlike most other drugs, phenelzine irreversibly disables MAO.
All of these drugs inhibit the gastric H,K-ATPase by covalent binding, so the duration of their effect is longer than expected from their levels in the blood. [ 76 ] Targeting the terminal step in acid production, as well as the irreversible nature of the inhibition, results in a class of medications that are significantly more effective than H ...
Rilmenidine, an oxazoline compound with antihypertensive properties, acts on both medullary and peripheral vasomotor structures.. Rilmenidine is a imidazoline analog and shows greater selectivity for imidazoline receptors than for cerebral alpha2-adrenergic receptors, distinguishing it from reference alpha2-agonists, and conferring additional anti-inflammatory actions not shared with most ...