About bethanidine sulfate
Adrenergic neuron-blocking antihypertensive
Used for
- Historically used to treat high blood pressure.
Usual adult dose
Historical dosing varied; treatment required specialist supervision and gradual adjustment.
Common side effects
- Dizziness, especially on standing
- Low blood pressure
- Nasal congestion
- Diarrhea
Important warnings
- Can cause a dangerous fall in blood pressure when standing.
- May worsen angina or heart failure.
- Largely replaced by safer medicines; availability may be limited.
Pregnancy
Pregnancy safety is not well established; use only when a specialist considers it necessary.
Breastfeeding
Information is limited; breastfeeding use requires specialist assessment.
Interactions
- Other blood-pressure medicines may cause excessive blood-pressure reduction.
- Medicines that raise blood pressure may oppose its effect.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.