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)
2. Vitamin B 6 can help treat pregnancy-related nausea and vomiting, 1,2 and is recommended by the American Congress of Obstetricians and Gynecologists (ACOG) as a safe and effective first-line treatment for pregnancy-related nausea and vomiting. 2.