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Hydrochlorothiazide

Also sold as: Esidrex

Comes as:Tablet

Usual adult dose

Also sold as: Esidrex

Comes as:Tablet

Usual adult dose: 12.5 to 25 mg once a day in the morning (up to 50 mg).

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:

Medicines that can react with this one.

Serious1 medicineDo not take these together unless your doctor says so.

Lithium carbonate
Thiazide diuretics raise lithium levels and the risk of toxicity.

Moderate2 medicinesTake together only with care. Ask your doctor or pharmacist.

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.