The basic principle for coal preparation is to first liberate the coal particles from the gangue (quartz) and then, by applying different water based techniques, separate the coal particles and gangue particles.
Acetaminophen in the Treatment of Acute Low Back Pain. For low back pain, acetaminophen can be effectively used as an analgesic (or pain killer). Doctor-written article on acetaminophen as a pain reliever for lower back pain.
Medications for Back Pain Video. Narcotic pain medications are strong pain relievers widely used to treat back pain. These medications change the perception of pain by weakening pain signals to the brain. Emotions are also affected, leading to a feeling of enhanced well-being and sleepiness in many patients. See Medications for Back Pain and Neck Pain. Narcotic pain medications are medically termed opioids, and may be referred to as painkillers. They are derived from opium or made synthetically. Some narcotic pain medications contain both opium-derived and synthetic material. Use of these medications has increased rapidly in recent years. The narcotic medication hydrocodone/acetaminophen, better known by the brand name Vicodin, Lortab, or Norco, was the second-most commonly prescribed drug in the United States in 2014.