woman hand taking antihistamines or allergy medicine before driving could affect sleepiness and risk of accidents

accident accidents affect affected alert allergic allergies allergy antihistamines awareness closeup cold danger dangers distraction dose driver driving drowsiness drowsy drug drugs effects fatigue flu habits hand hazard haziness histamines impaired medication medications medicine overdose overthecounter pill precautions prescription reaction responsibility risk risky road safety side sleepiness sleepy slower taking traffic warning woman