Before taking. If you are experiencing a spell of hypoglycemia, or you have an allergy to insulin, then Lantus is not for you. Children under the age of 6 should not be given Lantus. Children of any age should never be given Lantus to treat type 2 diabetes. Be sure to let your doctor know if you have low potassium levels in your blood, or if you suffer from diabetic ketoacidosis, or if you have kidney or liver disease in order to make sure that Lantus is right for you.
