Furosemide is a diuretic medication indicated for controlling the salt absorption potential of the body.  The brand formulation of the medication goes by the name Lasix. The generic medication was discovered in the year 1962, and is off-white in color, partially soluble in alcohol and least soluble in water. Both brand and generic formulations of the medication are strictly meant for oral administration and comes in the dosage strengths of 20mg, 40mg and 80mg. The inactive medical components of the medication are magnesium stearate, colloidal silicon dioxide NF, talc USP, starch NF and lactose monohydrate NF.

Medical Uses

Furosemide is used for treating kidney disease, liver ailments, and heart failure as the resultant effect of excess fluid build-up. The medication can also be used for effectively treating high Blood Pressurecondition. For emergency purposes, it can be injected into veins; otherwise it should only be taken by mouth. Upon administering intravenously, the medication starts reacting in five minutes, whereas through mouth the positive effects can be felt in about an hours’ time.

Dosing Guide

Taking the medication in doctor prescribed dosage strength is highly essential so as to experience positive effects from the medication.

Do not alter the dose at your own prerogative. This medicine when taken in increased dose might result in hearing loss. Those taking the liquid formulation should measure the liquid through dose-measuring spoon or with the cup that comes along with the medicine.

Using Furosemide increases the urge to urinate frequently thereby making a person completely dehydrated. The liquid variant of the medicine should be used with two to three months from the date of opening the medication.

Side Effects

The probable side effects that are caused by the use of Furosemide are wide ranging. The serious side effects are dark urine, jaundice, itching, clay-colored stools, loss of appetite, pain in the upper stomach, numbness, body aches, abrupt  loss of weight, rapid weight gain, swelling, pain in the chest, extreme cough and fever, skin turning pale, concentration troubles, abnormal bleeding, confused feelings, discomfort in legs, weakness in muscles, contraction of muscles, and hyperactive reflexes. The other side effects are less severe in nature.

Interaction with other drugs

Furosemide interacts with a long list of drugs. They are cyclosporine, lithium, cisplatin, phenytoin, methotrexate, antibiotics like cefdinir, cefuroxime, amikacin, kanamycin, gentamicin, tobramycin and cephalexin. Blood pressure medicines that interact with the drug are valsartan, benazepril, ramipril, enalapril, amiodarone, losartan , olmesartan. Medicines that fall under the categories of steroids, salicylates and laxative also interact with the medication enormously. In most cases, interaction with other drugs remain the same for both the brand and generic variants of the medicine.


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