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  2. 4-Methylaminorex - Wikipedia

    en.wikipedia.org/wiki/4-Methylaminorex

    4-Methylaminorex (4-MAR, 4-MAX) is a stimulant drug of the 2-amino-5-aryloxazoline group that was first synthesized in 1960 by McNeil Laboratories. [2] It is also known by its street name "U4Euh" ("Euphoria"). It is banned in many countries as a stimulant. 4-Methylaminorex has effects comparable to methamphetamine but with a longer duration.

  3. Paracetamol poisoning - Wikipedia

    en.wikipedia.org/wiki/Paracetamol_poisoning

    [3] [4] Without treatment, death from toxicity occurs 4 to 18 days later. [5] Paracetamol poisoning can occur accidentally or as an attempt to die by suicide. Risk factors for toxicity include alcoholism, malnutrition, and the taking of certain other hepatotoxic medications. [1]

  4. Analgesic - Wikipedia

    en.wikipedia.org/wiki/Analgesic

    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 ...

  5. Tapentadol - Wikipedia

    en.wikipedia.org/wiki/Tapentadol

    Analgesia occurs within 32 minutes of oral administration, and lasts for 4–6 hours. [13] It is taken by mouth, and is available in immediate-release and controlled-release formulations. [14] It is similar to tramadol in its dual mechanism of action; namely, its ability to activate the μ-opioid receptor and inhibit the reuptake of ...

  6. Discovery and development of cyclooxygenase 2 inhibitors

    en.wikipedia.org/wiki/Discovery_and_development...

    This fact can explain why some users may suffice with once-daily dosage despite a short plasma half-life. The major plasma metabolites are 5-carboxy, 4’-hydroxy, and 4’-hydroxy-5-carboxy derivatives. Lumiracoxib is extensively metabolized before it is excreted, and the excretion routes are in the urine or feces.

  7. Hydrocodone - Wikipedia

    en.wikipedia.org/wiki/Hydrocodone

    Some references state that the analgesic action of hydrocodone begins in 20–30 minutes and lasts about 4–8 hours. [28] The manufacturer's information says onset of action is about 10–30 minutes and duration is about 4–6 hours. [29] Recommended dosing interval is 4–6 hours. Hydrocodone reaches peak serum levels after 1.3 hours. [30]