Will taking lasix (furosemide) lead to dehydration?

Possibly: Lasix (furosemide) is a drug meant to remove excess fluid and sodium from the body. If too much is taken, or intake drops substantially it can cause dehydration.

That could occur.: Lasix (furosemide) side effects may include: V'ed blood pressure w standing, dizziness, headache, drowsiness, blurred vision, abdominal cramping, poor appetite, diarrhea, constipation, dry mouth, ^ thirst, ^ urination, muscle cramps, weakness, sun sensitivity, fever, dehydration, rapid weight loss, hyperglycemia or hyperuricemia (gout). It may be ototoxic. Low blood levels of potassium, sodium,calcium,