Two and a half hours symptoms and conditions

Two and a half hours ago I took Levaquin 750mg for the first time. After about 45 minutes for some reason I started coughing, like i had something caught in my throat. Didn't think much of it because we were eating but then on the way home I started itching, and my mouth started feeling numb. It actually started feeling like I had been to the dentist and had novacane shot in my lower lip. When I got home I went and looked in the mirror and my face was actually swollen like I was feeling it. I don't think I will take the other two pills doc gave me for a bladder infection.

My thirteen year old daughter has to take 40mg(total)daily. She has Down's Syndrome and can't describe her side effects. I've noticed that after about two and a half hours of her taking it, she becomes so drowzy that she will fall asleep anywhere. It knocks her out just like that. In my opinion, it is too strong for her. She becomes this way just from 20mg. This must be some powerful medication!! She slept for about 13 hours after her first dosage. She can't take it before going to school.