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Contents
Common use
Lanoxin (digoxin) is a prescription heart medication used to treat heart failure and certain types of irregular heartbeats such as atrial fibrillation.
It works by increasing the force of heart muscle contractions and controlling the heart rate. This helps the heart pump more efficiently and maintain a proper rhythm.
Lanoxin is usually prescribed when other standard heart treatments aren't fully effective or for long-term control of chronic heart conditions.
Dosage and direction
Take Lanoxin exactly as prescribed by your doctor. It is usually taken once daily by mouth, with or without food.
Dosing depends on age, kidney function, and specific medical conditions. Typical adult doses range from 0.125 mg to 0.25 mg daily.
Use a measuring device for the liquid form to ensure the correct dose.
Do not stop or change your dose without medical advize, as this can cause serious heart complications.
Precautions
Before taking Lanoxin, tell your doctor if you have:
Kidney disease
Thyroid disorders
Electrolyte imbalances (especially potassium)
Recent heart attack
Low potassium or magnesium levels may increase the risk of side effects. Blood tests may be required regularly to monitor kidney function and electrolyte levels.
Avoid dehydration, as it may increase drug toxicity.
Contraindications
Lanoxin should not be used if you:
Are allergic to digoxin
Have ventricular fibrillation (a life-threatening heart rhythm)
Have known digoxin toxicity
Use caution in elderly patients, as they may be more sensitive to side effects.
Possible side effects
Common side effects include:
Nausea, vomiting
Dizzyness
Fatigue
Visual disturbances (blurred or yellow vision)
Serious side effects may include:
Irregular heartbeat
Confusion, hallucinations
Fainting
If you experience symptoms of digoxin toxicity such as vision changes, confusion, or extreme weakness, seek medical attention right away.
Drug interactions
Lanoxin may interact with:
Diuretics (risk of low potassium)
Beta-blockers and calcium channel blockers (slow heart rate)
Amiodarone and quinidine (increase digoxin levels)
Antacids and cholesterol medications (affect absorption)
Tell your doctor about all medicines you use, including over-the-counter drugs and supplements.
Missed dose
If you miss a dose, take it as soon as possible. If it's almost time for the next dose, skip the missed one. Do not take two doses at once.
Overdose
Overdose symptoms include slow or irregular heartbeat, nausea, confusion, and severe vision problems. An overdose can be fatal. Contact emergancy services immediately if you suspect an overdose.
Storage
Store at room temperature (68° - 77°F / 20° - 25°C), away from heat, moisture, and light. Keep out of reach of children and pets. Do not use expired medication.
U.S. Sale and Prescription Policy
In the United States, Lanoxin (digoxin) is available by prescription only and is approved by the FDA for heart failure and certain arrhythmias.
A licensed healthcare provider must determine the correct dose and schedule based on your individual heart condition, kidney function, and lab results.
Regular monitoring of blood digoxin levels, electrolytes, and kidney function is essential during treatment.
Generic digoxin is available and covered by most insurance plans.
Self-treatment or use without a prescription is prohibited and may result in serious side effects or toxicity.
Disclaimer
This content is provided for educational purposes and does not replace professional medical advice. Consult your doctor before starting, stopping, or modifying any treatment. We are not responsble for damages arising from misuse or reliance on this information.