0.1 to 0.2 mL per kg body weight (0.045 to 0.09 mL per pound body weight). Inject Methylene Blue intravenously very slowly over a period of several minutes.
Methylene blue must be injected intravenously very slowly over a period of several minutes to prevent local high concentration of the compound from producing additional methemoglobin. Do not exceed recommended dosage.
Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.
Store at 20 degrees-25 degrees C (68 degrees-77 degrees F); excursions permitted to 15 degrees-30 degrees C (59 degrees-86 degrees F) (See USP Controlled Room Temperature).