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Hydrochlorothiazide
Pronounced hy-dro-klor-oh-THY-ah-zide
Brand names: Microzide
Type: Thiazide diuretic (water pill) · All Heart & Blood Pressure Medicines
What Hydrochlorothiazide is used for
- High blood pressure
- Fluid buildup (edema)
◆ Kidney note
Becomes less effective when kidney function is severely reduced; kidney function and electrolytes are monitored.
Common side effects
- Frequent urination
- Dizziness
- Low potassium symptoms
- Increased sensitivity to sunlight
Important cautions
- Can lower potassium and sodium — blood tests are checked after starting
- Can raise blood sugar and trigger gout in some people
How it comes
Tablets, capsules. This guide lists forms only — it never lists strengths or doses.
Related medicines — Heart & Blood Pressure Medicines
Condition guides on MedicalVideos.com
- High Blood Pressure (Hypertension) — videos, articles and guides · medicines for high blood pressure (hypertension)
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.