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What is the most important information I should know about diphenhydramine?
| Pronunciation: | dye fen HYE dra meen |
| Brand: | 40 Winks, Aler-Dryl, Banophen, Benadryl, Calm-Aid, Compoz Nighttime Sleep Aid, Diphedryl, Diphen, Genahist, Hydramine, Nu-Med, Nytol Caplet, Quenalin, Scot-Tussin Allergy Relief Formula, Sleep, Sleepinal, Sominex, Twilite, Unisom Sleepgels Maximum Strength |
| Use caution when driving, operating machinery, or performing other hazardous activities. Diphenhydramine may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities. |
| Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while taking diphenhydramine. |

| Last updated: | February 13, 2004 |
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