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Generic Lanoxin(Generic name: Digoxin (Digitek))
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Lanoxin Overview |
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Lanoxin (generic name Digoxin (Digitek)) is a Cardio & Blood medicine.
Information about Lanoxin such as Lanoxin usage, Lanoxin side effects, detailed Lanoxin description and other you may find on our online pharmacy.
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| Lanoxin Description |
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brand names: Digitek, Lanoxin, Lanoxicaps
generic name: Digoxin
How does it work? This medicine contains the active ingredient digoxin, which is a type of medicine called a cardiac glycoside. It is a form of digitalis, a drug that is extracted from the leaves of the foxglove plant.
Digoxin works directly on the heart muscle. It slows down the rate at which the heart beats, and also increases the force with which the heart muscles contract with every heartbeat. This makes each heartbeat more efficient at pumping blood around the body.
Digoxin is used to treat certain abnormal heart rhythms caused by abnormal contractions in the upper part of the heart, in particular a condition called atrial fibrillation (AF). In AF, the upper two chambers of the heart, called the atria, contract very rapidly, and the lower two chambers of the heart, called the ventricles, respond by beating rapidly and irregularly. An irregular heartbeat is not very efficent at pumping blood around the body. By slowing the heart rate and making each beat more forceful, digoxin makes the heart pump more efficiently in this condition.
Digoxin is also used to treat heart failure, a condition where the hearts ability to pump blood around the body is diminished. By improving the efficiency of each heartbeat, digoxin allows the heart to continue to effectively pump blood and oxygen around the body.
The blood level of digoxin that is needed for it to be effective is quite close to the blood level that causes unwanted effects. This is true of a few medicines, and is described as a narrow therapeutic index. Treatment can still be safe, and your doctor will monitor your digoxin treatment closely, and may take blood tests to check the level of digoxin in your blood. You should tell your doctor if you experience any side effects during treatment, particularly nausea and vomiting, loss of appetite, visual disturbances, palpitations or confusion, as these may indicate your blood level is too high and that your dose needs reducing.
What if I miss a dose?
If you miss a dose, take it as soon as you can (if you only take one dose a day, not more than 12 hours since your dose was due). If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What should I avoid while taking digoxin? There are no restrictions on food, beverages, or activity while taking digoxin unless otherwise directed by your doctor.
How should you take Lanoxin (Digoxin)? Lanoxin (Digoxin) usually is taken once daily. To help you remember your dose, try to take it at the same time every day, for instance when brushing your teeth in the morning or going to bed at night. Lanoxin (Digoxin) is available in tablet, liquid, capsule, and injectable forms. If you are taking the liquid form, use the specially marked dropper that comes with it. It's best to take this medicine on an empty stomach. However, if this upsets your stomach, you can take Lanoxin (Digoxin) with food. Avoid taking this medicine with high-bran/high-fiber foods, such as certain breakfast cereals. Do not change from one brand of this drug to another without first consulting your doctor or pharmacist. Your doctor may ask you to check your pulse rate while taking Lanoxin (Digoxin). Slowing or quickening of your pulse could mean you are developing side effects to your prescribed dose. The amount of Lanoxin needed to help most people is very close to the amount that could cause serious problems from overdose, so monitoring your pulse can be very important. --If you miss a dose... If your doctor feels you need rapid digitalization, your first few doses may be given intravenously. You'll then be switched to tablets or capsules for long-term maintenance. A typical maintenance dose might be a 0.125 milligram or 0.25 milligram tablet once daily, but individual requirements vary widely. The exact dose will be determined by your doctor, based on your needs. CHILDREN Infants and young children usually have their daily dose divided into smaller doses; children over age 10 need adult dosages in proportion to body weight as determined by your doctor.
How can this medicine affect other medicines? You should tell your doctor or pharmacist what medicines you are using, particularly those listed below, before you start treatment with this medicine. This includes those bought without a prescription and herbal medicines. Likewise, check with your doctor or pharmacist before starting any new medicines while you are taking this medicine.
The following medicines may increase the blood level of digoxin:-
- ACE inhibitors, diclofenac, eg indometacin, erythromycin
- nifedipine
- non-steroidal anti-inflammatory drugs (NSAIDs), clarithromycin, eg azithromycin, eg captopril
- alprazolam
- amiodarone
- atorvastatin
- carvedilol
- ciclosporin
- diltiazem
- itraconazole
- macrolide-type antibiotics, ibuprofen
- propafenone
- propantheline
- quinidine
- quinine
- spironolactone
- telmisartan
- trimethoprim or co-trimoxazole
- verapamil.
If you are prescribed any of these medicines while taking digoxin your doctor may need to monitor your digoxin level and may decrease your digoxin dose if necessary.
The following medicines may reduce the absorption of digoxin from the gut, which may reduce its blood level and make it less effective:
- acarbose
- antacids (avoid effect by not taking an antacid within one to two hours of your digoxin)
- colestyramine (avoid effect by taking cholestyramine at least one and a half to two hours after the digoxin)
- metoclopramide
- neomycin
- sucralfate
- sulfasalazine.
The following medicines may also reduce the blood level of digoxin:
- penicillamine
- phenytoin
- rifampicin
- the herbal remedy St John's wort (Hypericum perforatum - it is recommended that this remedy is not taken by people taking digoxin).
There is an increased risk of digoxin side effects if the level of potassium in your blood falls during treatment. Medicines that can lower blood potassium include the following:
- thiazide diuretics, eg furosemide (frusemide)
- acetazolamide
- corticosteroids
- carbenoxolone
- beta-2-agonists for asthma, eg bendrofluazide
- loop diuretics, eg salbutamol.
Your doctor may need to monitor your potassium levels if you are taking any of these with digoxin, and may prescribe potassium supplements if necessary.
There is potential for the heart rate to be excessively slowed if this medicine is taken with a beta-blocker. Your doctor will monitor this if you are prescribed both.
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