Digoxin toxicity is increased by all except:
Hypokalemia increases the binding of digoxin to Na-k ATPase and enhances its toxicity. Hypokalemia decreases digoxin toxicity Diuretics also interfere with the action of digoxin (REF. Essentials of medical pharmacology KD TRIPATHI 8th Edition)
Renal impairment
Hyperkalemia
Hypercalcemia
Hypomagnesemia
Cardiovascular system