usual dosage of furosemide
Lasix (Furosemide) Dosage. Your doctor will decide what dose you should take based on your condition and medical history. Never stop taking Lasix or alter your dose without your doctor's approval. Adults who have fluid retention problems will typically begin with a single dose of 20 milligrams (mg) to 80 mg.The dose in children will vary based on what your doctor deems appropriate. Adults who have high blood pressure often begin with 40 mg, twice per day.our doctor will decide what dose you should take based on your condition and medical history. Never stop taking Lasix or alter your dose without your doctor's approval. Adults who have fluid retention problems will typically begin with a single dose of 20 milligrams (mg) to 80 mg.