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Methyldopa: uses, side effects & brands
Methyldopa is a blood-pressure medicine widely used in pregnancy. It belongs to the Blood-pressure medicine (extra) group. These lower blood pressure by additional mechanisms, often used when first-line drugs are not enough.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Blood-pressure medicine (extra) |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- High blood pressure in pregnancy
- Pregnancy-related high blood pressure, under specialist care
- Long-standing high blood pressure when other medicines are unsuitable
Common brand names
- India: Alphadopa, Emdopa
- Worldwide: Aldomet
Common side effects
- Drowsiness or tiredness
- Dizziness
- Dry mouth
- Low mood
Before taking it — precautions
- Tell your doctor about liver disease; liver tests may be checked
- Tell your doctor if you have a history of depression
- Tell the doctor or lab you take it before any blood transfusion, as it can affect blood matching tests
When to see a doctor urgently
- Yellow skin or eyes, dark urine or fever (urgent)
- Unusual tiredness, pale skin or dark urine (possible anaemia)
- Fainting or feeling very faint
Not a prescription — no dose shown. The right dose of methyldopa depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Is methyldopa safe in pregnancy?
It has a long safety record in pregnancy and is one of the commonly used options.
Why might it be changed after delivery?
Because it can lower mood, many doctors switch to another medicine after the baby is born.
Can I stop it suddenly?
No. Do not stop on your own; your doctor will advise how to change or stop it.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.