About HAL Allergy

HAL Allergy is a modern company with high quality pharmaceutical, manufacturing and research facilities located at the Bio Science Park in Leiden. With offices in seven European countries, HAL Allergy is one of the top European players in the field of allergy vaccination.

It has more than 50 years experience in developing, producing and selling allergy therapies that may diminish or erase allergic reactions all together. The allergy vaccinations are used primarily against common allergies such as hay fever, house dust mites and allergic reactions towards wasp or bee stings.

HAL Allergy invests in research of new methods of application and faster operations of allergy vaccines.

Allergies

Allergy literally means 'altered reaction'. Allergies cause the body to 'overreact' to what are normally harmless substances. Examples are house dust mite allergy, hay fever and food allergy. The immune system regards certain substances as intruders, against which it must 'arm' itself, resulting in a hypersensitivity reaction which can take various forms.

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	Causes
	The Immune System
	Clinical Conditions
	Allergens
	Diagnostics
	Treatments