Among those campaigning to keep kratom legal are scientists such as Andrew Kruegel, an associate research scientist at Columbia University.
Even these symptoms donât necessarily mean the cough is serious. Iâm seeing plenty of people this year with fevers and coughs lasting two and even three weeks or more who still turn out to have simple viral infections. But these are symptoms that are worth a call or even a trip to your doctorâs office.
But colds and flu arenât the only problems that cause coughing. Allergies, asthma, acid reflux, dry air, and smoking are common causes of coughs. Even medications such as certain drugs for high blood pressure and allergies can cause chronic cough.