Foxglove (Digitalis purpurea, Digitalis lanata) is a plant. It is the source of the modern drug, digoxin. All parts of the plant are poisonous.
The chemicals in foxglove can increase the strength of heart muscle contractions, change heart rate, and increase heart blood output. Chemicals taken from foxglove are used to make the prescription drug digoxin. Digitalis lanata is the major source of digoxin in the US.
People use foxglove for irregular heartbeat and heart failure. It is also used for many other conditions, but there is no good scientific evidence to support these uses.
All parts of the foxglove plant are toxic. Any use requires monitoring by a medical professional.
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