Desal 40mg is a diuretic medication containing Furosemid as the active ingredient. Each package contains 50 tablets with 40mg strength per tablet. This prescription medication is used as a diuretic treatment. This is a prescription medication that should only be taken under the supervision and direction of a healthcare provider. The dosage and duration of treatment will be determined by your doctor based on your medical condition. Store in a cool, dry place away from direct sunlight. Keep out of reach of children.