Contact: HAL Allergy Group

J.H. Oortweg 15-17
2333 CH Leiden
The Netherlands

Tel: +31-88-1959 000
Fax: +31-88-1959 001

If you are a patient and you have experienced a side effect after using one of HAL Allergy's products, please contact your prescribing doctor or HAL Allergy B.V. An overview of all HAL Allergy's subsidiaries is available here.