Dosage of HCTZ

High Blood Pressure Medication, water pills

What is the common dosage of HCTZ?

Adult doses of hydrochlorothiazide vary from 12.5mg per day up to a maximum dose of 200mg a day.  Doses will vary depending on the person’s overall health and the condition that the medication is being used to treat.

Remember, this is a diuretic or a water pill, so it is best to take it early in the day – to prevent frequent trips to the bathroom during the night.  Also, contact your doctor or pharmacist immediately if the medication makes you feel faint or dizzy.

Taking any dose of HCTZ may reduce your levels of potassium, sodium and magnesium.  Be sure to check with your healthcare provider about the potential need for supplementing those electrolytes.  And, remember diet and lifestyle can have a huge effect on your blood pressure and may even make it possible to discontinue the hydrochlorothiazide.

As always, never make changes to your medication or diet without talking to your doctor.

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The pharmaceutical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education and should not be used as a substitute for professional diagnosis and treatment.
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