Lanoxin, or Digitalis medicines are used to improve the strength and efficiency of the heart, or to control the rate and rhythm of the heartbeat. This leads to better blood circulation and reduced swelling of hands and ankles in patients with heart problems.
Be sure to tell your doctor of any allergies you have whether it is to medication or food, preservatives, or dyes. Tell your doctor immediately if you are, or become pregnant, or are breastfeeding. Also, tell your doctor of any other medications you are taking, including vitamins and supplements, and any medical conditions you may have.
It is very important that you take this medicine exactly as your doctor tells you to. Do not take more or less medicine than directed, and don’t stop taking Lanoxin without discussing it with your doctor first.
If you miss a dose of this medicine, take it as soon as you remember, unless it is almost time for your next dose. Do NOT double doses.
Check with your doctor as soon as possible if any of the following occur: anxiety, blurred or yellow vision, confusion, dizziness, mental depression, feeling of not caring, headache, loss of appetite, seeing or hearing things that are not there, and/or weakness; diarrhea, loss of appetite, lower stomach pain, nausea, and/or vomiting; irregular or slow heartbeat, palpitations, and/or fainting; skin rash; nosebleeds or bleeding gums.
Digoxin is described chemically as (3b, 5b, 12b)-3-[(O-2,6-dideoxy-b-D-ribo- hexopyranosyl-(1“4)-O-2,6-dideoxy-b- D-ribo-hexopyranosyl-(1“4)-2,6-dideoxy-b-D- ribo-hexopyranosyl)oxy]-12,14-dihydroxy-card-20(22)-enolide. Its molecular formula is C41H64O14, and its molecular weight is 780.95. Digoxin exists as odorless white crystals that melt with decomposition above 230°C. The drug is practically insoluble in water and in ether; slightly soluble in diluted (50%) alcohol and in chloroform; and freely soluble in pyridine. Lanoxin is supplied as 125-mcg (0.125-mg) or 250-mcg (0.25-mg) tablets for oral administration. Each tablet contains the labeled amount of digoxin and the following inactive ingredients: corn and potato starches, lactose, and magnesium stearate. In addition, the dyes used in the 125-mcg (0.125-mg) tablets are D&C yellow no. 10 and FD&C yellow no. 6.
Lanoxin has the following structural formula:
Generic name: Digoxin
Brand name(s): Cardoxin :: Digitek :: Lanoxicaps
Similar drugs: Premarin