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An allergy is an abnormal reaction by a person's immune system against a normally harmless substance. A person without allergies would have no reaction to this substance, but when a person who is allergic encounters the trigger, the body reacts by releasing chemicals which cause allergy symptoms.
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| Reason | # Patients | Percentage of patients | |
|---|---|---|---|
| 17 | 425% |
|
|
| 16 | 400% |
|
|
| 12 | 300% |
|
|
| 12 | 300% |
|
|
| 8 | 200% |
|
|
| 6 | 150% |
|
|
| 5 | 125% |
|
|
| 5 | 125% |
|
|
| 5 | 125% |
|
|
| 3 | 75% |
|
|
| 2 | 50% |
|
|
| 2 | 50% |
|
|
| 2 | 50% |
|
|
| 2 | 50% |
|
|
| 1 | 25% |
|
|
| 1 | 25% |
|
|
| 1 | 25% |
|
|
| 1 | 25% |
|
|
| 1 | 25% |
|
|
| 1 | 25% |
|
Report created on November 23, 2009.