Digoxin
Brand: Lanoxin
No boxed warning on the current FDA label. On the ISMP high-alert list.
- Caution
- Narrow therapeutic index: toxicity (nausea, vision changes, arrhythmia) is more likely with low potassium or kidney impairment.
Common side effects
- Nausea and vomiting
- Loss of appetite
- Visual changes (yellow-green halos)
- Confusion
- Slow heart rate
Key interactions
- Low potassium raises toxicity risk
- Amiodarone and verapamil raise its levels
- Some diuretics lower potassium and add risk
Counseling points
- Take at the same time each day
- Report nausea, vision changes, or slow pulse
- Do not skip or double doses
- Keep lab and monitoring appointments
- Check pulse as instructed
We ask 13 questions about Digoxin.Practice Digoxin →Test yourself on medications like Digoxin.Practice Medications →
High-yield study aid for exam prep, not a substitute for the package insert or a pharmacist’s dispensing reference.