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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]
Clark's rule is a medical term referring to a mathematical formula used to calculate the proper dosage of medicine for children aged 2–17 based on the weight of the patient and the appropriate adult dose. [1] The formula was named after Cecil Belfield Clarke (1894–1970), a Barbadian physician who practiced throughout the UK, the West Indies ...
Opioid dose conversions may be necessary when switching medications given the differing pharmacodynamics between opioids. Generally, parenteral (IV or IM) morphine is used as the standard for converting between opiates to achieve equivalent analgesic effects.
Paregoric was a household remedy in the 18th and 19th centuries when it was widely used to control diarrhea in adults and children, as an expectorant and cough medicine, to calm fretful children, and to rub on the gums to counteract the pain from teething. A formula for paregoric from Dr. Chase's Recipes (1865): [7]
The usual starting dose is 0.3 mL to 0.6 mL (about six to 12 drops) in a glass of water or juice four times a day. [31] Refractory cases (such as diarrhea resulting from the complications of HIV/AIDS) may require higher than normal dosing, for example, 1 to 2 mL every 3 hours, for a total daily dose of up to 16 mL a day. In terminal diseases ...
It is 18 times less potent than morphine in terms of binding to human μ-opioid receptors in in vitro research on human tissue. [49] In vivo, only 32% of an oral dose of tapentadol will survive first pass metabolism and proceed to the bloodstream to produce its effects on the central and peripheral nervous systems of the patient. [7]
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According to a Cochrane review in 2013, extended-release morphine as an opioid replacement therapy for people with heroin addiction or dependence confers a possible reduction of opioid use and with fewer depressive symptoms but overall more adverse effects when compared to other forms of long-acting opioids. The length of time in treatment was ...