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Regulin: Full Drug Profile
Medically reviewed by Min Clinic Staff | Updated: January 2026
Regulin - General Information
A guanidinium antihypertensive agent that acts by blocking adrenergic transmission.
Pharmacology of Regulin
Regulin is a guanidinium antihypertensive agent that acts by blocking adrenergic transmission. The precise mode of action is not clear. Although bethanidine may produce adverse effects, they are beneficial in severe hypertension and produce fewer side effects than guanethidine.
Regulin for patients
Caution in cardiovascular disease and in history of peptic ulceration.
Regulin Interactions
Regulin Contraindications
- Phaeochromocytoma
- Phaeochromocytoma, malignant
- Heart failure
- Adverse reaction to phenoxybenzamine
- Adverse reaction to phentolamine mesilate
- Adverse reaction to trimetaphan camsilate
- Adverse reaction to diazoxide
- Adverse reaction to hydralazine
- Adverse reaction to other antihypertensives
- Adverse reaction to betanidine
Additional information about Regulin
- Regulin Indication
For the treatment of hypertension.
- Mechanism Of Action
- Regulin, a guanidine derivative, is a peripherally acting antiadrenergic agent. Regulin effectively decreases blood pressure by suppressing renin secretion or interfering with function of the sympathetic nervous system.
- Generic Name
- Bethanidine
- Synonyms
- Betanidin; Betanidine; Bethanidine sulfate
- Drug Category
- Adrenergic Agents; Antihypertensive Agents; Sympatholytics
- Drug Type
- Small Molecule; Approved
- Other Brand Names containing Bethanidine
- Esbatal; Regulin; Tenathan;
- Absorption
- Absorbed rapidly in the gastrointestinal tract following oral administration.
- Half Life
- 9 hours (range 7 to 11 hours)
- Dosage Forms of Regulin
- Tablet Oral
- Chemical IUPAC Name
- (2S)-1-[(2E)-2-[(2S)-2,6-dicarboxy-2,3-dihydro-1H-pyridin-4-ylidene]ethylidene]-5,6-dihydroxy-2,3-dihydroindol-1-ium-2-carboxylate
- Chemical Formula
- C18H16N2O8
- Organisms Affected
- Humans and other mammals
