How to Take Atenolol and Chlorthalidone and Dose of Atenolol and Chlorthalidone


Find out how to take Atenolol and Chlorthalidone (drug) and its dose. Describes the best time to take the drug and precautions if any that should be followed.

How to take Atenolol and Chlorthalidone


How it should be taken  

It comes as a tablet to take by mouth, with or without food.

Dosage & When it is to be taken

Adult: Per tab contains Atenolol (mg)/Chlorthalidone (mg): 50/25 or 100/25. Initially one tab of 50/12.5 once daily; may increase to one tab of 100/25 based on response.

When it is not to be taken (Contraindications) 

Contraindicated in patients with urination problem, congestive heart failure, and hypersensitivity.

Why it is prescribed (Indications)  

This combination medication contains beta-blocker and diuretic, prescribed for hypertension. It interferes with certain body chemicals, which cause the slow heart beat.

Pregnancy Category

Category D : There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Warnings and Precautions  

Caution should be exercised in patients with history of asthma, chronic bronchitis, chronic obstructive pulmonary disease (COPD), lung disease, congestive heart failure, slow heartbeat, abnormal heart rhythm, narrowing of blood vessels, kidney impairment, decrease in blood minerals, untreated adrenal gland tumor, diabetes, gout, liver impairment, overactive thyroid, systemic lupus erythematosus, who are taking other medications, any allergy, during pregnancy and breastfeeding.
It may cause drowsiness, dizziness, or lightheadedness, do not drive a car or operate machinery while taking this medication.
Avoid alcohol consumption and exposure to sunlight.
Avoid abrupt withdrawal.
Monitor electrolyte and blood pressure regularly while taking this medication.

Storage Conditions  

Store at controlled room temperature (20-25C).
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