Mg motrin symptoms and conditions

Took 1 Ultracet at 1:20 pm then I was told by the pharmacist it was OK to take 800 mg Motrin in between (9:30 pm) then another Ultracet later for 'breakthru' pain...which I *did* get. I took another Ultraset at 11:30 pm and have been Spaced out and Dizzy ever since....but the pain is not gone!! Don't think Ultracet works for me at all.....just makes me worse and spaced out....I'll take the pain and Motrin instead...(CostoChondritis and Chest wall pain~ Both arms making it very difficult to function and even eat or drink from a cup )