Symptoms|Treatments|Side effects|Causes
| Diphenhydramine (Benadryl) | % of members (num votes) |
|---|---|
| drowsiness | 79% (226) |
| dry mouth, nose, and throat | 52% (221) |
| dizziness | 28% (214) |
| muscle weakness | 19% (213) |
| headache | 18% (214) |
| nervousness | 17% (212) |
| constipation | 13% (215) |
| nausea | 8% (212) |
| excitement (especially in children) | 7% (210) |
| loss of appetite | 6% (211) |
| increased chest congestion | 6% (211) |
| vomiting | 2% (210) |