And even if FDA considered kratom to be safe as a botanical, marketers of kratom would be precluded by the Federal Food, Drug & Cosmetic Act (FD&C) from making claims that such products are intended to treat diseases. Such disease claims render a product an unapproved drug, Ullman said.
Indeed, the most common cause for coughing up blood is the least seriousâa ruptured small blood vessel caused by coughing and/or a bronchial infection. In patients with a history of smoking and those who are otherwise at risk for lung disease, however, hemoptysis is often a sign of serious illness.
A productive cough is a more serious when: 1  It produces sputum from the lungs (not postnasal drainage). 2  The sputum is rust-colored or contains bright red blood. 3  It lasts longer than 10 days. 4  It occurs with other symptoms. 5  These may include: 6  Fever and chills. 7  Shortness of breath. 8  Chest pain.