Lasix (Furosemide)

Lasix (furosemide) is a diuretic, which is to remove excess water and salt from the body. Furosemide medication acts on the kidneys by increasing the production of urine.

How Lasix medication works?

furosemideWater is removed in the body through the kidneys. Salt, chloride and water are usually reabsorbed by the kidneys before they are finally flushed out. Lasix medication blocks the absorption of chloride, sodium and water by the kidney, therefore resulting in increased urine output.

Lasix has a quick onset of action, usually one hour after taking oral furosemide. It results in increased urine output by up to 6 to 8 hours. Meanwhile, furosemide injection has a shorter onset of action -- five minutes after injection and with duration lasting up to two hours. Since furosemide can cause increased urine output, it can deplete body water, chloride, sodium and other minerals. Therefore, patients are advised to follow medical advice. Furosemide is among the earliest forms of diuretics, having been approved in 1982. Many healthcare practitioners trust furosemide because of its reliability when it comes to treating edema.

What it is prescribed for?

Furosemide medication is very potent. It is helpful in the medical management of edema (fluid retention), usually associated with other health conditions that include hypertension, kidney disease, liver problems, heart diseases, respiratory diseases, and other conditions that lead to excess body fluid or electrolyte imbalances. It can be used alone or in conjunction with other medications.

What are its preparations?

adema legsFurosemide comes in tablet, oral solution, and injection form. Furosemide tablets come in as 20, 40, and 80 mg preparations. Available oral solution preparations are 8 mg/ml and 10 mg/ml. Injection ampoules are available as 10 mg/ml.

Dosing for furosemide varies greatly depending on the condition of the patient. For oral administration, the starting dose is 20 to 80 mg given as single dose. The dose may be repeated or increased after 6 to 8 hours, until the desired effect is achieved. Many patients are put on a maintenance dose of Lasix 40 mg once a day. Depending on the severity of fluid excess; some patients require furosemide 100 mg to 600 mg on divided doses per day. For acute cases that require immediate fluid removal, furosemide 40 mg through injection may be administered (usually in the emergency department or a health care setting). Furosemide injection should be given only under direct medical supervision.

Furosemide is available in generic form as well as brand name form. You can purchase generic Lasix from accredited pharmacies. You can also get it through online pharmacies which offer faster, hassle-free transactions. Many consumers choose to purchase online because of its cheaper rate and convenience.

How to take furosemide medication?

Read your prescription carefully. If you don’t understand any part of the prescription, ask your doctor or pharmacist. Take your medication as directed. Furosemide helps control high blood pressure but does not cure it. Do not abruptly stop taking it even if you feel well. Ask your doctor before discontinuing this medication.

What are its side effects?

People taking furosemide medication should observe for possible side effects that include dehydration, low blood pressure, and electrolyte problems. Other possible (less common) side effects include sensitivity to light, yellowish skin, ringing in the ears, rash, abdominal pain, dizziness, rash, and pancreatitis. If you develop any of these symptoms or if your symptoms persist, contact your doctor right away.

Lasix medication may not be suitable for everyone. Report to your doctor if you have allergy to furosemide or sulfa drugs. Never share your prescription to other persons. It is important that your doctor knows your complete medical history before prescribing this medication.

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