Triamterene causes:
Inhibitors of renal epithelial sodium channel - Triamterene, Amiloride Side effects are - nausea, vomiting, rash, headache, dizziness, constipation, low blood pressure, muscle cramps, hypersensitivity, pancreatitis, and jaundice, electrolyte disturbances ( Essentials of Medical Pharmacology, K.D Tripathi,6th edition, page 571)
Hypokalemia
Muscle cramps
Decrease in urea level
Better glucose tolerance
Kidney