Symptoms|Treatments|Side effects|Causes
| Diphenhydramine (Benadryl) | % of members (num votes) |
|---|---|
| drowsiness | 74% (446) |
| dry mouth, nose, and throat | 48% (437) |
| dizziness | 25% (423) |
| nervousness | 15% (417) |
| headache | 15% (418) |
| muscle weakness | 15% (420) |
| constipation | 10% (422) |
| nausea | 7% (420) |
| loss of appetite | 7% (418) |
| excitement (especially in children) | 7% (418) |
| increased chest congestion | 5% (418) |
| vomiting | 2% (415) |