I highly recommend Mind Body Therapy.
Hypnosis may help you communicate with your subconsious and turn off triggers that cause the histamine response !! I have used hypnosis on myself with success.
I recommend This Hypnosis CD for Allergies
Click on picture below:
While hypnosis has many beneficial effects, hypnosis is not a substitute for appropriate medical attention. Statements and products offered on this website are not intended to diagnose, treat, cure, or prevent any disease or illness. When dealing with physical and/or mental illness or disease, always consult a qualified physician or therapist. Hypnosis recordings are not recommended for people suffering from mental disorders or illness. Never listen to hypnosis recordings while driving a car or operating machinery. When listening to hypnosis recordings, choose an environment that is quiet and safe. Furthermore, actual results may vary.