Allergen Detector The substances that cause allergies are called allergens and they are different for every person. Some people are born allergic to certain substances. Others develop allergies over a period of time or as a result of a significant exposure to a substance. Allergen Detector is an online tool that helps you detect your allergens. It is very easy to use. You just have to enter your symptoms, medications and possible allergens over a period of time. Allergen Detector will save and organize your information for you and will give you reports. By comparing the reports you can narrow down your list of allergens. You can also print the reports and give them to your doctor for further analysis. The service is free. You just have to register to get a user name and password. If you are already a member, click here to log in. Allergy Self-Manager (coming soon!) Your physician may ask you to follow a personalized Self-Management plan. Allergy Self-Manager can help you monitor your condition and take the appropriate action to reduce and prevent future symptoms.