| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Seasonal allergy | 198 | 43 | |
| Allergic rhinitis | 124 | 23 | |
| Perennial allergy | 76 | 14 | |
| Chronic idiopathic hives | 10 | 2 | |
| Chemical/venom allergy | 9 | 1 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Dry mouth | 7 | |
| Sleepiness | 6 | |
| Drowsiness | 4 | |
| Dry eyes | 3 | |
| Acute renal failure | 1 | |
| Decreased kidney function | 1 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 3 | |
| Moderate | 4 | |
| Mild | 21 | |
| None | 118 |