Mykrox (Metolazone) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 10, 2012

Mykrox

High Blood Pressure »

What is high blood pressure?

High blood pressure (HBP) or hypertension means high pressure (tension) in the arteries. Arteries are vessels that carry blood from the pumping heart to all the tissues and organs of the body. High blood pressure does not mean excessive emotional tension, although emotional tension and stress can temporarily increase blood pressure. Normal blood pressure is below 120/80; blood pressure between 120/80 and 139/89 is called "pre-hypertension", and a blood pressure of 140/90 or above is considered high.

The top number, the systolic blood pressure, corresponds to the pressure in the arteries as the heart contracts and pumps blood forward into the arteries. The bottom number, the diastolic pressure, represents the pressure in the arteries as the heart relaxes after the contraction. The diastolic pressure reflects the lowest pressure to which the arteries are exposed.

An elevation of the systolic and/or diastolic blood pressure increas...

Read the High Blood Pressure article »

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Mykrox

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MYKROX
(metolazone) Tablet

DO NOT INTERCHANGE

MYKROX TABLETS ARE A RAPIDLY AVAILABLE FORMULATION OF METOLAZONE FOR ORAL ADMINISTRATION. MYKROX TABLETS AND OTHER FORMULATIONS OF METOLAZONE THAT SHARE ITS MORE RAPID AND COMPLETE BIOAVAILABILITY ARE NOT THERAPEUTICALLY EQUIVALENT TO ZAROXOLYN® TABLETS AND OTHER FORMULATIONS OF METOLAZONE THAT SHARE ITS SLOW AND INCOMPLETE BIOAVAILABILITY. FORMULATIONS BIOEQUIVALENT TO MYKROX (metolazone) AND FORMULATIONS BIOEQUIVALENT TO ZAROXOLYN SHOULD NOT BE INTERCHANGED FOR ONE ANOTHER.

DRUG DESCRIPTION

MYKROX Tablets (metolazone tablets, USP) for oral administration contain ½ mg of metolazone, USP, a diuretic/saluretic/ antihypertensive drug of the quinazoline class.

Metolazone has the molecular formula C₁₆H₁₆ClN₃O₃S, the chemical name 7-chloro-1, 2, 3, 4-tetrahydro-2-methyl-3-(2- methylphenyl)-4-oxo-6-quinazolinesulfonamide, and a molecular weight of 365.83. The structural formula is:

MYKROX TABLETS - metolazone tablet Structural Formula Illustration

Metolazone is only sparingly soluble in water, but more soluble in plasma, blood, alkali, and organic solvents.

Inactive Ingredients: Dibasic calcium phosphate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate.

What are the precautions when taking metolazone (Mykrox)?

Before taking metolazone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: severe kidney disease (inability to make urine or anuria).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, untreated mineral imbalance (e.g., sodium, potassium), gout, lupus.

If you have diabetes, metolazone may affect your blood sugar levels. Check your blood sugar levels...

Read All Potential Precautions of Mykrox »

Last reviewed on RxList: 5/4/2009
This monograph has been modified to include the generic and brand name in many instances.