 [ Symptoms ] i have been coughing for 2 weeks the cough has caused vomiting nightly for a week should i go to the docter [ Disease ] well i vote yes  i think you have waited this out long enough while some viruses can linger beyond 14 days most of them are history at the two week mark it sounds like your symptoms are not getting better so that means it is time for a trip to your primary care provider he or she can assess your symptoms and provide treatment to get you back on the road to health feel better soon