All these processes divide the raw coal into the following three categories: 1  Clean coal, having ash content approx. 2  Middlings, having ash content approx. 3  Rejects, having ash content approx.
Most people undergoing chemotherapy receive anti-nausea (anti-emetic) medications to prevent nausea and vomiting. These drugs, given alone or in combination, can be taken in pill form or administered through a vein in your arm. Your doctor advises which to use based on the treatment you're receiving. Medications used to prevent nausea and vomiting include: 1  Alprazolam (Niravam, Xanax)  Aprepitant (Emend)
However, in some cases, the nausea and vomiting are debilitating or prevent a person from taking their migraine medications. In these cases, a nausea drug may be used to relieve symptoms. Nausea medications may be taken as pills or -- in severe cases -- as rectal suppositories. These drugs often have side effects such as drowsiness and dizziness. Learn more about specific nausea medications below: