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Diphenhydramine is most known for its active properties in over-the-counter antihistamine benadryl. Very good for taking care of allergies, but drowsiness is a significant concern. For this reason, it's often used as a sleep aid. Also used frequently for a cheap, fast high. Causes visual and auditory hallucinations, dizziness, confusion, delirium, and finally sedation. Makes music, breathing, and movement pleasing. Negative side effects from overdose include cottonmouth, irregular urination, amnesia, and erectile dysfunction.
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