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.
Coughing up blood can also be a sign of a serious medical condition. Call your doctor if you have any of these symptoms: 1  Blood in mucus that lasts longer than a week, is severe or getting worse, or comes and goes over time. 2  Chest pain.3  Weight loss.4  Soaking sweats at night.oughing up blood can also be a sign of a serious medical condition. Call your doctor if you have any of these symptoms: 1  Blood in mucus that lasts longer than a week, is severe or getting worse, or comes and goes over time. 2  Chest pain. 3  Weight loss. 4  Soaking sweats at night.