Histamine - Warnings and Precautions
The following warnings and precautions are taken directly from the US FDA-approved drug label for Histamine. This is the same information dispensing pharmacists read.
WARNINGS Care must be taken in intracutaneous testing to avoid injection into a venule or capillary.
Pull back gently on the syringe plunger and note if blood is drawn.
If blood is drawn, withdraw needle and inject into another skin site.
Small doses by any route of administration may precipitate asthma in patients with bronchial hyperactivity.
This product is not intended for inhalation, or subcutaneous injection.
The utmost caution is advised in using histamine in such patients and in those with a history of bronchial asthma.
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