My cough that i've had for 3 weeks has gotton worse i don't smoke im in massachusetts and i've tried all kinds of cough medicines what's to do next?

See a doctor: This is clearly not a going away cough. Go get examined please. A chest X-ray may be indicated.

See doctor...: Possible etiologies of your cough include bronchospasm from any cause, gerd, post-nasal drip or even a combination of factors. Each of these have different treatments so you need to see your doctor for diagnosis and treatment. If you are short of breath, go to the er.