-aspirin and aspirin-like medicines
-certain antibiotics
-chloral hydrate
-cisplatin
-cyclosporine
-digoxin
-diuretics
-laxatives
-lithium
-medicines for blood pressure
-medicines that relax muscles for surgery
-methotrexate
-NSAIDs, medicines for pain and inflammation like ibuprofen, naproxen, or indomethacin
-phenytoin
-steroid medicines like prednisone or cortisone
-sucralfate
-thyroid hormones

They need to know if you have any of these conditions:

-abnormal blood electrolytes
-diarrhea or vomiting
-gout
-heart disease
-kidney disease, small amounts of urine, or difficulty passing urine
-liver disease
-thyroid disease
-an unusual or allergic reaction to furosemide, sulfa drugs, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your doctor or health care providerfor regular checks on your progress. Check your blood pressure regularly. Ask your doctor or health care providerwhat your blood pressure should be, and when you should contact him or her. If you are a diabetic, check your blood sugar as directed.
This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your health care provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips or lymph nodes in your neck or under your arms.
You may need to be on a special diet while taking this medicine. Check with your doctor. Also, ask how many glasses of fluid you need to drink a day. You must not get dehydrated.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol can make you more drowsy and dizzy. Avoid alcoholic drinks.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

Keep out of the reach of children and pets.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from light and moisture. Keep the container tightly closed. Throw away any unused drug after the expiration date.