<prompt> A normal anion gap metabolic acidosis is seen in?Methanol poisoningSalicylate poisoningDiarrheaDiabetic ketoacidosis  <response>: Ans. is c i.e., Diarrhea Causes of Non-Anion Gap Acidosisi Gastrointestinal bicarbonate losso Diarrhoeao External pancreatic or small-bowel drainageo UreterosigmoidostomyJejunal loop, ileal loopo Drugs: Calcium chloride acidifying agent Magnesium sulfate diarrhoea Cholestyramine bile acid diarrhoeaii Renal acidosiso Hypokalemia Proximal RTAtype 2 Distal classic RTA type 1o Hyperkalemia Generalized distal nephron dysfunction type 4 RTAa Mineralocorticoid deficiencyb Mineralocorticoid resistancec Na delivery to distal nephrond Tubulointerstitial diseasee Ammonium excretion defectiii Drug induced hyperkalemia with renal insufficiencyo Potassium-sparing diuretics amiloride, triamterene, spironolactoneo Trimethoprimo Pentamidineo Angiotension-converting enzyme inhibitors and AT-II receptor blocker.o Nonsteroidal anti-inflammatory drugso Cyclosporineiv Othero Acid loads ammonium chloride, hyperalimentationo Loss of potential bicarbonate : ketosis with ketone excretion o Expansion acidosis rapid saline administrationo Hippurateo Cation exchange resins.Causes of High anion gap acidosis1. Lactic acidosis2. Toxins Ethylene glycol Methanol Salicylates3. Renal failure4. Ketoacidosisa Diabetesb Alcoholc Starvation 