Severe Sinus Headaches That Won't Go Away

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Benadryl Severe Allergy-Sinus Oral Overdose

If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: agitation, confusion, flushing, hallucinations, seizures. In children, excitement may occur first, and...

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