Diphenhydramine
Definition 1 of 2

Usage in context
Diphenhydramine is most effective when taken before exposure to allergens.

Many people take it before traveling to avoid motion sickness.
Naming conventions
In some formulations, diphenhydramine is included as part of a brand name.

When discussing medications, it’s important to mention diphenhydramine by its chemical name for clarity.
Dosing tips
Always follow the recommended dosage to avoid sedative effects.,

Consult a doctor if you're unsure about its use in combination with other medications.
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