What are the side effects of chlorthalidone?
What Is Chlorthalidone (Thalitone)?
Chlorthalidone, sold under the brand name Thalitone, is prescription drug used to treat high blood pressure and fluid retention, which can be caused by various diseases including heart disease.
It may also be used to treat patients with diabetes insipidus, certain electrolyte disturbances, and to prevent kidney stones in patients with high levels of calcium in their blood.
Chlorthalidone is one drug in the class of diuretics, which reduce the amount of water in the body by increasing the flow of urine.
Chlorthalidone was approved by the Food and Drug Administration (FDA) in 1960. It comes in an oral tablet form and is considered to be a thiazide-like diuretic.
Chlorthalidone (Thalitone) Warnings
Chlorthalidone controls high blood pressure, but does not cure the condition. You should continue to take this medicine even if you feel well. You should not stop taking the drug without first consulting with your doctor.
You must tell your physician if you have ever had diabetes, gout, or kidney/thyroid/parathyroid disease before taking chlorthalidone. Also, make sure your doctor knows that you are on this medication prior to any type of surgery, including dental surgery.
Chlorthalidone may make you drowsy, so you should not drive or operate machinery until you know how it will affect you. You may experience frequent urination when you first start taking chlorthalidone, but this symptom should go away after a few weeks.
Pregnancy and Chlorthalidone (Thalitone)
Chlorthalidone should not be used in pregnancy unless absolutely necessary. Large amounts of diuretics may suppress milk production, but the American Academy of Pediatrics considers thiazides to be compatible with breastfeeding.
Chlorthalidone Side Effects
Common Side Effects of Chlorthalidone (Thalitone):
- Low levels of potassium, sodium, and magnesium in the body
- High calcium and uric acid levels in the body
- High blood sugar levels in those with diabetes
- Dizziness, lightheadedness
- Abdominal pain
Serious Side Effects of Chlorthalidone (Thalitone):
Call your doctor immediately if you experience any of the following serious side effects:
- Sore throat with fever
- Unusual bruising or bleeding
- Severe skin rash with peeling skin
- Difficulty swallowing or breathing
Chlorthalidone (Thalitone) and Other Drug Interactions
Chlorthalidone may interact with other medications you are taking. You should tell your doctor about all prescription, non-prescription, illegal, recreational, herbal, nutritional, or dietary drugs you are taking, especially:
Chlorthalidone (Thalitone) and Other Interactions
Your doctor may prescribe a low-salt or low-sodium diet, potassium supplements, and increased amounts of potassium-rich foods while taking chlorthalidone.
Because the drug may make your skin more sensitive to the sun, you should avoid unnecessary or prolonged exposure to sunlight while taking chlorthalidone. It's also important to be careful when driving or performing other activities that require alertness, as chlorthalidone may cause you to become drowsy. Alcohol may worsen this effect.
To treat high blood pressure, the typical daily dose of chlorthalidone ranges from 25 milligrams (mg) to 100 mg.
To treat edema, the recommended daily dose of chlorthalidone is typically 50 mg to 100 mg, or 100 mg every other day.
For patients with heart failure, the typical dose of chlorthalidone is 12.5 mg to 100 mg, daily.
Chlorthalidone (Thalitone) Overdose
If you suspect an overdose, immediately contact an emergency room or a poison control center at (800) 222-1222.
Missed Chlorthalidone (Thalitone)
If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue on your regular dosing schedule. Do not "double up" to make up for a missed dose.
By Julie Marks | Medically Reviewed by Mona Khanna, MD
Latest Update: 2014-09-24
Copyright © 2014 Everyday Health Media, LLC
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Video: What is chlorthalidone used for?
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