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Reserpine

Reserpine is an indole alkaloid, antipsychotic, and antihypertensive drug that has been used for the control of high blood pressure and for the relief of psychotic symptoms, although because of the development of better drugs for these purposes and because of its numerous side-effects, it is rarely used today. More

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Description

Reserpine is an indole alkaloid, antipsychotic, and antihypertensive drug that has been used for the control of high blood pressure and for the relief of psychotic symptoms, although because of the development of better drugs for these purposes and because of its numerous side-effects, it is rarely used today.

Generic Name

Reserpine

Chemical names

Reserpine; 50-55-5; Serpalan; Serpasil; Serpivite

Brand names

Adelphane, Adelphane-Esidrex, Genophane, Sarpalzino, Serpasil

IUPAC name

methyl (1R,15S,17R,18R,19S,20S)-6,18-dimethoxy-17-(3,4,5-trimethoxybenzoyloxy)-3,13-diazapentacyclo[11.8.0.0²,¹?.0?,?.0¹?,²?]henicosa-2(10),4(9),5,7-tetraene-19-carboxylate

Pharmacokinetics

62% protein binding

Actions

The antihypertensive actions of Reserpine are a result of its ability to deplete catecholamines from peripheral sympathetic nerve endings. It is adrenergic blocking agents prescribe to treat mild to moderate hypertension via the disruption of norepinephrine vesicular storage.

Dosage/Dosage form

Up to 500 mcg/day for about 2 week, subsequently reduce to lowest dose if needed. Maintenance: 100-250 mcg/day. Max: 500 mcg/day per oral.

Therapeutic uses

For the treatment of hypertension

Adverse effects/Side effects

Na retention, nasal congestion; decreased libido, headache; gynaecomastia, CNS disorders; breast engorgement, GI disturbances; galactorrhoea; impotence, oedema, decreased or increased appetite; weight gain, miosis, dry mouth, sialorrhoea, dysuria, rashes, pruritus, thrombocytopaenic purpura.

Interaction

  • By thiazide diuretics and other antihypertensives may enhanced the hypotensive effects.
  •  Effects of CNS depressants may be enhanced.
  • May cause hypertension and excitation with MAOIs.
  • With quinidine or digitalis may cause cardiac arrhythmias.
  • May decrease patient's response to levodopa.

Contraindications

Active peptic ulcer or ulcerative colitis; depression; Parkinson's disease; pheochromocytoma; electroconvulsive therapy (ECT).

Storage

Store at 20-25°C

Information

Molecular weight

608.6787

Molecular formula

C33H40N2O9

CAS number

50-55-5

Precautions

Elderly or debilitated patients; epilepsy; renal insufficiency; gallstones; allergic conditions; cardiac arrhythmias; MI.