Chlorthalidone is a diuretic that stops the body from absorbing excessive amounts of salt. It is used to treat high blood pressure. This medication is also prescribed to treat fluid retention, often called edema, in patients with congestive heart failure, kidney disorders, or liver cirrhosis. However, individuals with allergies to sulfa drugs should not take this medicine. Before this drug is prescribed, patients should talk about their medical history with their doctor. It is vital to discuss a history of gout, diabetes, high cholesterol, high triglycerides, kidney disease, or heart failure. The physician will also need to know if the patient is pregnant or following a low-salt diet. This drug is not safe for use in patients who are breastfeeding.
This medicine also has a variety of potential side effects. Common side effects include lightheadedness, dizziness, kidney issues, low potassium, and low magnesium. Patients should call their doctor immediately if they experience vomiting, diarrhea, or excessive sweating. If vomiting occurs, patients may need to have urine and blood tests. All patients who take this medicine will have frequent follow-up appointments to check their blood pressure. Other medications will interact with this one. Examples include digoxin, steroids, oral diabetes medicines, insulin, and other high blood pressure medicines.