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Irbesartan HCTZ

Irbesartan HCTZ

What is Irbesartan HCTZ used for?

Irbesartan is an angiotensin II receptor antagonist. Irbesartan keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow. Hydrochlorothiazide and irbesartan is a combination medicine used to treat high blood pressure (hypertension).

How much to take:

IRBESARTAN/HCTZ RBX tablets will usually be prescribed by your doctor if previous treatment does not produce a sufficient drop in your blood pressure. Your doctor will tell you how to switch from your previous treatment to IRBESARTAN/HCTZ RBX tablets.

The usual dose of IRBESARTAN/HCTZ RBX is one tablet a day. The full blood pressure lowering effect should be reached 4-6 weeks after beginning treatment. If your blood pressure is not satisfactorily reduced with IRBESARTAN/HCTZ RBX tablets, your doctor may prescribe another medicine to be taken with IRBESARTAN/HCTZ RBX.

When to take it:

You should always take your daily dose of IRBESARTAN/HCTZ RBX at about the same time each day. Taking your IRBESARTAN/HCTZ RBX tablets at the same time each day will have the best effect. It does not matter whether you take IRBESARTAN/HCTZ RBX tablets before or after food.

What side effects are possible with this medication?

  • anxiety or nervousness
  • belching, heartburn, and stomach discomfort
  • cold-like symptoms
  • cough
  • diarrhea
  • dizziness
  • headache
  • increased sensitivity to the sun
  • muscle or bone pain
  • rash
  • unusual tiredness

Are there any other precautions or warnings for this medication?

Low blood pressure: Occasionally, a larger-than-expected decrease in blood pressure occurs after taking this medication. In some cases, this happens after the first dose. It is more likely to occur if you take diuretics (water pills), have a reduced salt intake, are on dialysis, or are experiencing diarrhea or vomiting. Blood pressure should be monitored more often in these situations. Those with low blood pressure or those just starting to take this medication should move slowly from a reclining to an upright position to reduce the risk of dizziness.

Medical conditions: Be sure to tell your doctor if you have any of the following conditions, as they may affect your use of this medication:

  • congestive heart failure
  • diabetes
  • electrolyte imbalance (e.g., high low levels of potassium in blood)
  • gout
  • kidney disease
  • liver disease
  • lupus
  • pancreatitis
  • recent heart attack or stroke
  • sulfa allergy
  • valvular stenosis (narrowing of the heart valves)

Pregnancy: Irbesartan - hydrochlorothiazide should not be taken by pregnant women. If you become pregnant while taking this medication, stop taking it and contact your doctor immediately.

Breast-feeding: It is generally not recommended that you breast-feed while you are taking this medication, as there is a possibility of serious side effects to the child. Discuss this with your doctor.

Children:The safety and effectiveness of using this medication have not been established for children

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