Triamterene causes:: (A) Hypokalemia, (B) Muscle cramps, (C) Decrease in urea level, (D) Better glucose tolerance
Answer is B. 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)