Digitoxin: Effects, uses, side effects

How digitoxin works Digitoxin inhibits an enzyme (the magnesium-dependent Na/K-ATPase) that is anchored in the cell membrane and carries sodium ions out of the cell and, in turn, potassium ions into the cell. As a result, the sodium concentration inside the cell increases, while at the same time the potassium concentration inside the cell decreases. … Digitoxin: Effects, uses, side effects