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An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
The toxic dose of paracetamol is highly variable. In general the recommended maximum daily dose for healthy adults is 4 grams. [17] [18] Higher doses lead to increasing risk of toxicity. In adults, single doses above 10 grams or 200 mg/kg of bodyweight, whichever is lower, have a reasonable likelihood of causing toxicity.
Rumack Matthew Nomogram with treatment line added at 150. It is a semi-log plot with acetaminophen levels (on a logarithmic scale) along the vertical axis versus time (on a linear scale) along the horizontal axis.
Moderate dose: headache, nausea, weakness, or anxiety Large dose: loss of consciousness Perfluoroisobutene Gas: colorless Odor: none 1-4 hours Flu-like, also eye, nose, and throat irritation, and chest discomfort, or no symptoms Phosgene Gas: colorless Odor: decaying fruit, fresh-cut grass, 1-4 hours; small doses, 24-48 hours
Paracetamol, [a] or acetaminophen, [b] is a non-opioid analgesic and antipyretic agent used to treat fever and mild to moderate pain. [13] [14] [15] It is a widely available over-the-counter drug sold under various brand names, including Tylenol and Panadol. Paracetamol relieves pain in both acute mild migraine and episodic tension headache.
An analgesic drug, also called simply an analgesic, antalgic, pain reliever, or painkiller, is any member of the group of drugs used for pain management.Analgesics are conceptually distinct from anesthetics, which temporarily reduce, and in some instances eliminate, sensation, although analgesia and anesthesia are neurophysiologically overlapping and thus various drugs have both analgesic and ...
For comparison, those with a V d L/kg body weight of less than 0.2 are mainly distributed in blood plasma, 0.2-0.7 mostly in the extracellular fluid and those with more than 0.7 are distributed throughout total body water.
The WHO guidelines recommend prompt oral administration of drugs ("by the mouth") when pain occurs, starting, if the patient is not in severe pain, with non-opioid drugs such as paracetamol (acetaminophen) or aspirin, [1] with or without "adjuvants" such as non-steroidal anti-inflammatory drugs (NSAIDs) including COX-2 inhibitors.