Active substance

Histamine Phosphate

2 products from 1 companies contain this in United States.

2 prescription onlySolutionInjection, Solution

Prescription only

Histamine Positive Skin Test Control2.75 mg/mLPrescription onlySolution ALK-Abello, Inc. · Histamine Phosphate Histamine Positive Skin Test Control.275 mg/mLPrescription onlyInjection, Solution ALK-Abello, Inc. · Histamine Phosphate

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.