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Methyldopa

Also sold as: Aldomet

Comes as:Tablet

Usual adult dose

Also sold as: Aldomet

Comes as:Tablet

Usual adult dose, including in pregnancy: 250 mg two or three times a day, increased slowly as set by your doctor; maximum 3 g a day.

Your doctor may give you a different dose. Children's doses depend on weight.

Stop taking it and see a doctor straight away if you notice:

Active liver disease
Depression
After giving birth (other medicines are usually preferred because of depression risk)
Phaeochromocytoma (a rare adrenal tumour)

Medicines that can react with this one.

Moderate3 medicinesTake together only with care. Ask your doctor or pharmacist.

Ferrous sulfate
Iron reduces absorption of methyldopa; take them at least 2 hours apart.
Lithium carbonate
Methyldopa can increase lithium side effects.
Pseudoephedrine
Pseudoephedrine can raise blood pressure and reduce the effect of methyldopa.

Category B

No risk seen in animal studies, but there are few studies in pregnant women. Usually considered safe when needed.

Similar medicines your doctor or pharmacist may offer instead.

Always follow your doctor or pharmacistThis page is general information, not a prescription. Do not start, stop or change a medicine on your own.