Complete dosing information for HISTAMINE PHOSPHATE
Medical guidance required: Dosing information here is for educational purposes. Your healthcare provider will determine the appropriate dose based on your specific condition, kidney function, other medications, and medical history. Never adjust your dose without consulting your doctor or pharmacist.
DOSAGE AND ADMINISTRATION Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. For Prick, Puncture and Scratch Testing Histamine base 1 mg/mL (Histamine Phosphate 2.75 mg/mL) should be used to give a reaction. (Refer to Interpretation Section.) Prick, Puncture or Scratch Test Techniques The skin in the test area should be cleansed with alcohol and air dried. The histamine control skin test solution should be placed at the same site with the other skin test antigens, either on the patient's back or on the volar surface of the forearm. The patient should be placed in a comfortable position before the testing is begun. For the prick test, a sharp needle is used to puncture the skin, but not to draw blood. If the scratch test is used, carefully break or scratch the skin with a sterile scarifier. Do not draw blood. Each scratch should be about 2 mm - 4 mm in length. A small drop of the