It hurts to breathe... please help!?!

I've had a cold for the last couple of days and my right nostril has been blocked for all that time!. I have noticed my breathing has become different!. That I have to breath more often and it's almost like a habit but I am finding myself sniffing and coughing (when I don't need to) just to try and get rid of the uncomfortable-ness of breathing!. It really hurts and I feel sick!. Please help!.Www@Answer-Health@Com

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