40 mg Lasix. Learn about the prescription medication Lasix (Furosemide), drug uses, dosage, side effects, drug interactions, warnings, reviews and patient labeling. furosemide (Furosemide) tablet furosemide (Furosemide) solution . Rx only. WARNING. Furosemide is a potent diuretic which, if given in excessive amounts, Lasix - Tablets 20 mg - Tablets 40 mg - Tablets 80 mg - Oral solution 8 mg/mL - Oral solution 10 mg/mL - Injection 10 mg/mL. Apo-Furosemide (Canada) Furosemide. Most people with high blood pressure start with furosemide 40 mg tablets (one tablet, twice daily). This eMedTV page also offers dosing guidelines for the. Before you buy lasix, please, read common information about Lasix (Furosemide). Composition. Lasix - Synthetic drug, the main active ingredient - furosemid. Furosemide tablets - 40 mg, each Generic Lasix 40 Mg Tablets. This drug is used to treat high blood pressure. - RXZone.us. NDC 0054-8298-16: Unit dose Patient CupTM filled to deliver 5 mL (40 mg Furosemide), ten 5 mL Patient CupsTM per shelf pack, four shelf packs per shipper.