What is Lanoxin: Uses, Warnings & Interactions

Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

Oral routeIt is best to take this medicine on an empty stomach. If the medicine upsets your stomach, you may take it with food or milk.

Measure the oral liquid medicine with the marked measuring dropper that comes with the package or with an oral syringe. Do not use teaspoons or tablespoons that are used for serving and eating food. These will not measure the correct amount.

To keep your heart working properly, take this medicine exactly as directed even though you may feel well. Do not take more of this medicine than your doctor ordered and do not miss any doses. Take the medicine at the same time each day. This medicine works best when there is a constant amount in the blood.

Measure the oral liquid medicine with the marked measuring dropper that comes with the package or with an oral syringe. Do not use teaspoons or tablespoons that are used for serving and eating food. These will not measure the correct amount.

To keep your heart working properly, take this medicine exactly as directed even though you may feel well. Do not take more of this medicine than your doctor ordered and do not miss any doses. Take the medicine at the same time each day. This medicine works best when there is a constant amount in the blood.

Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

Oral routeIt is best to take this medicine on an empty stomach. If the medicine upsets your stomach, you may take it with food or milk.

Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into a muscle or into a vein.

Injection routeA nurse or other health provider will give you this medicine.

Missed dose: Injection routeCall your doctor or pharmacist for instructions.

Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into a muscle or into a vein.

Injection routeA nurse or other health provider will give you this medicine.

Missed dose: Injection routeCall your doctor or pharmacist for instructions.

If you miss a dose or forget to use your medicine, use it as soon as you can. If it has been more than 12 hours from your last dose, skip the missed dose and take your next dose at the regular time. Do not take 2 doses at the same time.

If you miss your doses for 2 days or longer, call your doctor.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

Do not use this medicine if you have had an allergic reaction to digoxin or other forms of digitalis or if you have ventricular fibrillation.

This medicine is not right for everyone. You should not receive it if you had an allergic reaction to digoxin or similar medicines.

Make sure your doctor knows if you are pregnant or breastfeeding or if you have kidney disease, heart or blood vessel problems, breathing problems (such as hypoxia), mineral imbalances (such as high or low calcium, or low potassium or magnesium in the blood), or thyroid problems. Tell your doctor if you are on dialysis, have had a recent heart attack, or if you have recently been vomiting or had diarrhea.

Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

Watch for signs and symptoms of overdose while you are taking this medicine. Follow your doctor's directions carefully. The amount of this medicine needed to help most people is very close to the amount that could cause serious problems from overdose. Some early warning signs of overdose are confusion, loss of appetite, nausea, vomiting, diarrhea, or vision problems. Other signs of overdose are an uneven, pounding, or slow heartbeat or fainting. In babies and small children, the earliest signs of overdose are heartbeat changes, weight loss, stomach pain, or unusual behavior.

Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Nausea, vomiting, diarrhea, loss of appetite

Unusual behavior, stomach pain, or weight loss (in children)

Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, blood vessel disease, thyroid problems, or any other heart problems, including heart block, a recent heart attack, or Wolff-Parkinson-White syndrome.

This medicine may cause the following problems:Risk of overdoseSlow heartbeat, heart block

Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Weight loss, stomach pain, unusual behavior, drowsiness (in children)

Some medicines can affect how digoxin works. Tell your doctor if you are using any of the following:Dopamine, epinephrine, ginseng, ivabradine, mirabegron, norepinephrine, quinine, ritonavir, spironolactone, succinylcholine, teriparatideBlood pressure medicineCalcium supplementMedicine for heart rhythm problems (including amiodarone, dofetilide, dronedarone, propafenone, quinidine, sotalol, verapamil)Thyroid supplement

This medicine has been associated with the following problems:Risk of overdoseSlow heartbeat, heart block

Tell any doctor or dentist who treats you that you are using this medicine.

Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Tell your doctor if you also use calcium supplements, dopamine (Intropin®), epinephrine (Adrenalin®), norepinephrine (Levophed®), ranolazine (Ranexa®), ritonavir (Norvir®), succinylcholine (Anectine®), teriparatide (Forteo®), thyroid supplements (such as levothyroxine, Synthroid®), certain medicines to treat diabetes (such as acarbose, exenatide, metformin, miglitol, Byetta®, Glucophage®, Glyset®, or Precose®), medicine to lower cholesterol (such as cholestyramine, colestipol, Colestid®, or Questran®), or medicine to treat stomach ulcers (such as esomeprazole, lansoprazole, omeprazole, rabeprazole, Aciphex®, Nexium®, or Prilosec®).

Tell your doctor if you eat meals that are high in bran, such as cereals or muffins.

Make sure your doctor knows if you also use St John's wort, activated charcoal, albuterol (Ventolin®), alprazolam (Xanax®), cyclosporine (Gengraf®, Neoral®, Sandimmune®), diclofenac (Voltaren®), diphenoxylate, epoprostenol (Flolan®), indomethacin (Indocin®), kaolin-pectin (kaopectate), methylphenidate (Ritalin®), metoclopramide (Reglan®), nicotine gum, propantheline (Pro-Banthine®), sucralfate (Carafate®), or sulfasalazine (Azulfidine®). Tell your doctor if you also use diuretics or water pills (such as bumetanide, furosemide, hydrochlorothiazide, spironolactone, Aldactazide®, Aldactone®, Bumex®, Dyazide®, Lasix®, Maxzide®, Midamor®, or Moduretic®), heart or blood pressure medicine (such as atenolol, captopril, carvedilol, diltiazem, metoprolol, nifedipine, nitrendipine, telmisartan, verapamil, Adalat®, Cardizem®, Lotrel®, Plendil®, Procardia®, Tiazac®, or Toprol®), certain medicines to treat heart rhythm problems (such as amiodarone, dofetilide, moricizine, propafenone, quinidine, sotalol, Betapace®, Cardioquin®, Cordarone®, Ethmozine®, Quinaglute®, Rythmol®, or Tikosyn®), medicines to treat infection (such as azithromycin, clarithromycin, erythromycin, itraconazole, ketoconazole, neomycin, rifampin, tetracycline, Ery-Tab®, Mycifradin®, Rifadin®, Rimactane®, Sporanox®, or Zithromax®), a steroid medicine (such as dexamethasone, Medrol®), or cancer medicines.

You should not use antacids (such as Maalox® or Mylanta®) at the same time you take digoxin.