Hydrochlorothiazide

Definition

Hydrochlorothiazide is a thiazide diuretic medication commonly used to treat high blood pressure and edema. It works by helping the kidneys remove excess salt and water from the body.

5 Must Know Facts For Your Next Test

1. Hydrochlorothiazide can cause electrolyte imbalances, particularly low potassium levels (hypokalemia).
2. It is often used in combination with other antihypertensive drugs to enhance blood pressure control.
3. Common side effects include dizziness, headache, and increased urination.
4. Hydrochlorothiazide may increase sensitivity to sunlight, leading to a higher risk of sunburn.
5. Patients with kidney disease or severe liver disease need to use hydrochlorothiazide with caution.

Review Questions

• What are the primary medical uses of hydrochlorothiazide?
• Which electrolyte imbalance is most commonly associated with hydrochlorothiazide?
• Why might hydrochlorothiazide be prescribed alongside other antihypertensive medications?

Related terms

Thiazide Diuretics:

A class of diuretic medications that includes hydrochlorothiazide, used primarily for hypertension and edema.

Antihypertensive Drugs: Medications used to treat high blood pressure.

Hypokalemia:

A condition characterized by low levels of potassium in the blood, which can be a side effect of certain diuretics like hydrochlorothiazide.