HCTZ 25 mg with Triamterene is a combination medication used to treat high blood pressure (hypertension) and fluid retention (edema). It contains hydrochlorothiazide (HCTZ), a thiazide diuretic, and triamterene, a potassium-sparing diuretic. HCTZ helps your body remove excess salt and water, lowering blood pressure. Triamterene prevents potassium loss, a common side effect of HCTZ.
How it Works
HCTZ increases urine production by blocking sodium reabsorption in the kidneys. This leads to increased sodium and water excretion, reducing blood volume and blood pressure. Triamterene, by blocking sodium and potassium channels in the collecting tubules of the kidneys, conserves potassium while still promoting the excretion of sodium and water. This combination offers a more effective blood pressure reduction with less risk of potassium depletion compared to HCTZ alone.
Important Considerations
Before taking this medication, inform your doctor about any pre-existing medical conditions, especially kidney disease, liver disease, diabetes, or gout. This combination can interact with other medications, so provide your doctor with a complete list of your current prescriptions and over-the-counter drugs. Regular blood tests are recommended to monitor your potassium levels and kidney function. Side effects can include dizziness, headache, and nausea. Consult your physician if you experience any concerning symptoms.


