Furosemide (lasix, furantril)
It is chemically close to dichlothiazide and is a strong diuretic. The effect is most pronounced during the first 2 days of administration, but does not disappear even with long-term treatment. It acts quickly when administered intravenously for several minutes, which makes it possible to use it in emergency cases (pulmonary edema, brain, acute poisoning with barbiturates and other substances excreted mainly by urine). In some cases, furosemide has the effect of insufficient effectiveness of other means. Furosemide can be taken along with reserpine and other antihypertensive drugs, the effect of which is enhanced.
With prolonged treatment with furosemide possible side effects similar to dichlothiazide. Also taken on the background of a diet rich in potassium, if necessary, appoint potassium salts.