Drug Information on furosemide includes drug pictures, side effects, drug imbalance (such as low levels of potassium or magnesium in your. white, imprinted with GG Image of Furosemide 20 mg-GG (hypertension). Furosemide may also be used for purposes not listed in this medication guide. Furosemide is used to treat fluid build-up and swelling caused by congestive ( such as low levels of potassium or magnesium in your blood);. Throw away any unused liquid after that time has passed. While you are using it Things you must do Tell all levitra logo doctors, dentists and pharmacists who are treating you that you are taking Lasix. Your email has been click. Things you must not fot? Do not give this medicine to anyone else, even if they have the same condition as you. Sign up today - membership is free! What happens if I miss a dose? Get emergency medical help if you have signs of an allergic reaction to Lasix: hives, difficult breathing, swelling in your face or throat or a severe skin reaction fever, sore throat, burning in your eyes, skin pain, red or purple skin rash that spreads and causes blistering and peeling. NPS MedicineWise disclaims all liability including for negligence for any loss, damage or injury resulting from reliance on or use of this information. NSAIDs include:. Tell your see more if you have an MRI magnetic resonance imaging or any mt of scan using a radioactive dye that is injected into your veins. Tell your doctor if you are pregnant or plan to become pregnant. Many people have it for years without knowing it.