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Hydrochlorothiazide - Indications, Dosage, Side Effects and Precautions

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Information about Hydrochlorothiazide

Generic Name : Hydrochlorothiazide
Up-to-date prescription details regarding Hydrochlorothiazide are provided here.

Pronunciation : hye droe klor oh thye' a zide

Learn the correct pronunciation of the Hydrochlorothiazide, understand it's uses, recommended dosages, its indications, how to take, when to take, when not to take, side effects, special precautions, warnings and its and its storage instructions.
You will also find a list of the medication's International and Indian brand or trade names, as well as its pricing information. For verification of the information presented on this page or for additional clarifications, it's advisable to consult your doctor.


ICD Code : Y54.5 Therapeutic Classification : Diuretics

Trade Names/Brand Names of Hydrochlorothiazide

India :

International :


HydroDIURIL, Microzide

Why is Hydrochlorothiazide Prescribed? (Indications)

This medication is a thiazide diuretic, prescribed for high blood pressure (hypertension) and edema. It helps the kidneys to remove fluid from the body.

When should Hydrochlorothiazide not be taken? (Contraindications)

Contraindicated in patients with urination problem, who are taking potassium-sparing agents and hypersensitivity.

What is the dosage of Hydrochlorothiazide?

Adult- HTN- The recommended dose is 12.5 to 50 mg once daily.
Edema- The recommended dose is 25-100 mg once daily or in divided doses.

How should Hydrochlorothiazide be taken?

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

What are the warnings and precautions for Hydrochlorothiazide?

• Caution should be exercised in patients with history of diabetes, gout, asthma or kidney, liver, thyroid disease, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• It may cause dizziness or blurred vision, do not drive a car or operate machinery while taking this medication.

• Avoid alcohol consumption.

• It may raise blood sugar level, monitor sugar level regularly while taking this medication.

• Monitor kidney function, blood pressure and electrolyte levels while taking this medication.

What are the side effects of Hydrochlorothiazide?

Body as a whole - Weakness.
Hypersensitivity - Rash, hives, shock and photosensitivity.
Heart - Abnormal heart rhythm and low blood pressure.
Metabolic - Increased sugar.
Gastrointestinal - Jaundice and/or liver enzyme abnormalities, nausea, vomiting, diarrhea, constipation and abdominal pain.
Genitourinary - Kidney failure.
Blood - Decrease in white blood cells and anemia.
Musculoskeletal - Muscle cramps.
Central Nervous System - Weakness, fatigue, dizziness, headache, dry mouth, tingling and vertigo.
Miscellaneous - Impotence.
Eye - Blurred vision.
Respiratory - Lung swelling and respiratory distress.
Skin - Cell death.

What are the other precautions for Hydrochlorothiazide?

Avoid exposure to sunlight.

What are the storage conditions for Hydrochlorothiazide?

Store it at controlled room temperature (20° to 25°C).
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