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Drug Information for Histamine Phosphate (ALK-Abello, Inc.): DESCRIPTION
- CLINICAL PHARMACOLOGY
- INDICATIONS AND USAGE
- DOSAGE AND ADMINISTRATION
- HOW SUPPLIED
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The chemical formula for Histamine Phosphate is C5H9 N3 · 2H3 PO4; its molecular weight is 307.14. For prick, puncture or scratch testing, the product is a sterile solution that contains 1 mg/mL histamine base (2.75 mg/mL Histamine Phosphate) in Water for Injection; it also contains Glycerin 50% (v/v) as viscosity agent and Phenol 0.4% as preservative. For intracutaneous (intradermal) skin testing, the product is a sterile solution that contains 0.1 mg/mL histamine base (0.275 mg/mL Histamine Phosphate) in Water for Injection and Phenol 0.4% as preservative. The product should be stored refrigerated and protected from light.
- Drug Information Provided by National Library of Medicine (NLM).