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)
Vitamin B6 and doxylamine have often been used in combination to treat morning sickness. In fact, the FDA has approved this combination for nausea and vomiting during pregnancy under the brand-name Diclegis.lthough not officially approved for morning sickness, Emetrol is a nonprescription nausea medication that's considered safe during pregnancy.