histamine dihydrochlorideWHO ATC codeL03AX14Available in 2 countries๐ฌ๐งUnited Kingdom1Histamine dihydrochloride 500micrograms/0.5ml solution for injection vialsOTCSee all histamine dihydrochloride in United Kingdom โ๐ฎ๐ชIreland1Soluprick Positive control, 10 mg/ml, Solution for skin-prick testSee all histamine dihydrochloride in Ireland โ