What happens if I miss a dose (Lasix)?
Furosemide is sometimes used only once, so you may not be on a dosing schedule. If you are using the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Lasix)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include feeling very thirsty or hot, heavy sweating, or hot and dry skin.
What should I avoid while taking furosemide (Lasix)?
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.
Avoid becoming dehydrated. Follow your doctor's instructions about the type and amount of liquids you should drink while you are taking furosemide.
What other drugs will affect furosemide (Lasix)?
If you take sucralfate (Carafate), take it at least 2 hours before or after you take furosemide.
Tell your doctor about all other medicines you use, especially:
- cisplatin (Platinol);
- cyclosporine (Neoral, Gengraf, Sandimmune);
- ethacrynic acid (Edecrin);
- lithium (Eskalith, Lithobid);
- methotrexate (Rheumatrex, Trexall);
- phenytoin (Dilantin);
- an antibiotic such as amikacin (Amikin), cefdinir (Omnicef), cefprozil (Cefzil), cefuroxime (Ceftin), cephalexin (Keflex), gentamicin (Garamycin), kanamycin (Kantrex), neomycin (Mycifradin, Neo Fradin, Neo Tab), streptomycin, tobramycin (Nebcin, Tobi);
- heart or blood pressure medication such as amiodarone (Cordarone, Pacerone), benazepril (Lotensin), candesartan (Atacand), eprosartan (Teveten), enalapril (Vasotec), irbesartan (Avapro, Avalide), lisinopril (Prinivil, Zestril), losartan (Cozaar, Hyzaar), olmesartan (Benicar), quinapril (Accupril), ramipril (Altace), telmisartan (Micardis), valsartan (Diovan), and others;
- a laxative (Metamucil, Milk of Magnesia, Colace, Dulcolax, Epsom salts, senna, and others)
- salicylates such as aspirin, Disalcid, Doan's Pills, Dolobid, Salflex, Tricosal, and others; or
- steroids (prednisone and others).
This list is not complete and other drugs may interact with furosemide. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about furosemide.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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