Chlorthalidone - Drug Information

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General Information on Chlorthalidone

Generic Name : Chlorthalidone

Pronunciation : klor thal' i done

Latest prescription information about Chlorthalidone. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y54.5 | Therapeutic Classification : Diuretics

Why is Chlorthalidone Prescribed? (Indications)

This medication is a diuretic, prescribed for high blood pressure and fluid retention. It helps the kidney to get rid of unwanted water and salt from the body into the urine.

When should Chlorthalidone not to be taken? (Contraindications)

Hypersensitivity.

Pregnancy Category

A B C D X

Category B :

Animal studies have failed to demonstrate a risk to the fetus and appropriate studies on pregnant women are lacking.

What is the dosage of Chlorthalidone?

Adult- HTN- The recommended initial dose is 25mg/day. It may be increased.
Edema- Initiation: Initially 30 to 60 mg daily or 60 mg on alternate days.

How should Chlorthalidone be taken?

It comes as a tablet to take by mouth, with food.

What are the warnings and precautions for Chlorthalidone?

Caution should be exercised in patients with history of sugar, gout, heart, kidney, liver, thyroid disease, elderly, any allergy, who are taking other medications, during pregnancy and breastfeeding.
It may cause dizziness or lightheadedness, do not drive a car or operate machinery and get up slowly from bed while taking this medication.
Avoid exposure to sunlight; otherwise it may cause sunburn easily.
Monitor liver function, kidney function and electrolytes regularly while taking this medication.

What are the side effects of Chlorthalidone?

   Gastrointestinal : Loss of appetite, gastric irritation, nausea, vomiting, abdominal cramps, diarrhea, constipation, jaundice and inflammation of pancreas.
   Central Nervous System : Dizziness, vertigo, tingling, headache and visual defect.
   Blood : Anemia, decrease in white blood cells and platelets.
   Skin : Bruising, photosensitivity, rash, hives and cell death in blood vessels.
   Heart : Low blood pressure.
   Others : Increased sugar, sugar in urine, muscle spasm, weakness, restlessness and impotence.

What are the other precautions for Chlorthalidone?

Avoid excess dosage.

What are the storage conditions of Chlorthalidone?

Store it at room temperature, and in an airtight container. Keep out of the reach of children.


Schedule : G

Drugs that are to be used only under medical supervision.

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