Lasix (Furosemid) is a medication with a pronounced diuretic effect.

Lasix blocks the reabsorption of sodium and chlorine ions in the Henle loop, therefore helps the body to rid of extra water and salt. It also increases the excretion of potassium, calcium, and magnesium. When taken orally the onset of the diuretic effect is observed within 1 hour, the maximum effect is after 1-2 hours, and the effect lasts up to 6 or 8 hours.

When Lasix is prescribed?

Lasix is used to decrease shortness of breath, edema (swelling) of the limbs and stomach. It is often used to treat high blood pressure and edema syndrome of various origins. Lowering high blood pressure helps with stroke and heart attack prevention, as well as protects from kidney diseases.

Administration during pregnancy and lactation

When pregnant, it should be used according to strict indications and only for a short time.


Lasix might be dangerous for people with liver conditions, diabetes, low blood pressure, conditions that affect urination, gout, lactose intolerance.

A reaction decrease might be possible when taking Lasix.  The medication should be taken with caution by patients who drive and maintain mechanisms.

Using large doses of Lasix may lead to mineral loss and dehydration. Please contact your primary medical consultant if you feel unwell during the treatment.

Side effects

Hypotension, arrhythmia, dry mouth, nausea, vomiting, diarrhea, pancreatitis, hypovolemia, dehydration, hypokalemia, hyponatremia, hypochloremia, metabolic alkalosis, hypocalcemia, hyperuricemia, dermatitis, hearing impairment, vision, paresthesia, dizziness, dizziness patients with prostate adenoma, hypercholesterolemia, hypertriglyceridemia, decreased glucose tolerance, acute pancreatitis, allergic reactions such as rash, fever, vasculitis, interstitial nephritis; in premature babies – nephrocalcinosis.

Please consult your doctor if you have any of the above medical conditions or have any health concerns.

The dosage

The dosage of Lasix is calculated considering the age, weight, health condition and individual treatment response.

Patients with increased blood pressure are normally prescribed from a dosage of 20 to 80 mg of Lasix per day. For heart failure and edema the dosage might be 20 to 120 my per day.

Do not increase the prescribed dosage.

Usually, Lasix is prescribed as a regular medication that guarantees patients a maximum benefit. Continue taking the medication and do not seize the treatment even if you feel well when prescribed by your GP.

Always take Lasix at the same of the daytime according to your prescription (usually in the mornings). If you forget to take the medication, take it when you remember it, but usually it is not recommended after 4 pm.

Is it safe to buy Lasix online?

A reliable online pharmacy is a perfectly safe way to buy your medication, both prescription and over the counter ones. Please remember to check customer reviews to ensure that the online pharmacy provides good customer service and has a safe payment system. Online customers have the benefits of keeping their health matters private and have their medication delivered straight to their front door!