Hydralazine
Also sold as: Apresoline
Prescription neededOther blood pressure medicines
Comes as:TabletInjection
Usual adult dose
Usual adult dose: 25 mg twice a day, increased up to 50 mg twice a day as set by your doctor. In severe high blood pressure of pregnancy it is given by injection in hospital.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- headache
- fast heartbeat
- flushing
- nausea
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- chest pain
- joint pain with fever and rash (lupus-like reaction)
- fainting
Do not take it, or take care, if
- Lupus
- Very fast heartbeat
- Coronary heart disease (use with caution, usually with a beta blocker)
- Severe narrowing of a heart valve
Interactions
No important interactions are listed in our database. Still tell your doctor or pharmacist everything you take.