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warnings
WARNINGS Not for injection. Solutions for urologic irrigation must be used with caution in patients with severe cardiopulmonary or renal dysfunction. Irrigating fluids used during transurethral prostatectomy have been demonstrated to enter the systemic circulation in relatively large volumes; thus 1.5% Glycine Irrigation, USP must be regarded as a systemic drug. Absorption of large amounts of fluids containing glycine may significantly alter cardiopulmonary and renal dynamics. Careful cardiovascular monitoring should be maintained due to the possibility of fluid overload. Should fluid overload occur, intensive fluid and electrolyte management is necessary. Monitoring of fluid and electrolyte levels beyond the acute phase may be considered due to the possibility of delayed fluid absorption. (See ADVERSE REACTIONS, Post-Marketing Experience). The contents of an opened container should be used promptly to minimize the possibility of bacterial growth or pyrogen formation. Discard the unused portion of irrigating solution since no antimicrobial agent has been added.
ADVERSE REACTIONS Adverse reactions may result from intravascular absorption of glycine. Large intravenous doses of glycine are known to cause salivation, nausea and lightheadedness. Other consequences of absorption of urologic irrigating solutions include fluid and electrolyte disturbances such as acidosis, electrolyte loss, marked diuresis, urinary retention, edema, dryness of mouth, thirst, dehydration, coma from hyponatremia, secondary hyponatremia due to fluid overload, and hyperammonemia with resultant coma and/or encephalopathy; cardiovascular disorders such as hypotension, tachycardia, angina-like pains; pulmonary disorders such as pulmonary congestion; and other general reactions such as blurred vision, convulsions, nausea, vomiting, rhinitis, chills, vertigo, backache, transient blindness and urticaria. Allergic reactions from glycine are unknown or exceedingly rare. Should adverse reactions occur, discontinue the irrigation and re-evaluate the clinical status of the patient. Post-Marketing Experience Following off-label use of 1.5% Glycine Irrigation, USP for hysteroscopic procedures in women, life-threatening adverse events related to fluid overload have been reported.