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Hydrochlorothiazide: Uses, Dosage, Side Effects, and More

Hydrochlorothiazide is a prescription thiazide diuretic used to treat high blood pressure and fluid retention (edema) associated with heart failure, kidney disease, or certain medications. It works by helping the kidneys eliminate excess salt and water through urine, reducing both blood pressure and swelling.

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Controlled Substance Warning

Hydrochlorothiazide is not a controlled substance. It should be taken exactly as prescribed, typically once daily in the morning. Patients should stay well-hydrated and have their electrolyte levels monitored periodically, as hydrochlorothiazide can cause a decrease in potassium and sodium levels.

Drug Facts

Generic Name

Hydrochlorothiazide

Brand Names

Microzide, HydroDIURIL

Drug Type

Thiazide diuretic

Dosage Forms

Capsules, tablets

Typical Dosage
  • Hypertension: 12.5–25 mg once daily; may increase to 50 mg daily.
  • Edema: 25–100 mg daily, divided into one or two doses.

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Disclaimer

The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.

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