{"id":4843,"date":"2026-07-31T07:17:12","date_gmt":"2026-07-31T07:17:12","guid":{"rendered":"https:\/\/peptoscience.com\/?post_type=product&p=4843"},"modified":"2026-07-31T07:17:15","modified_gmt":"2026-07-31T07:17:15","slug":"oxymorphon","status":"publish","type":"product","link":"https:\/\/peptoscience.com\/de\/product\/oxymorphon\/","title":{"rendered":"Oxymorphon"},"content":{"rendered":"

Oxymorphon<\/a><\/h1>\n
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Oxymorphone<\/a> (likely what you meant by “Oxymorphon”) is a potent semi-synthetic opioid analgesic derived from thebaine, used primarily for severe pain management when other treatments fail. Here’s a concise breakdown:<\/p>\n

Key Facts<\/h3>\n
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  • Chemical Structure<\/strong>: C\u2081\u2087H\u2081\u2089NO\u2084; it’s a metabolite of oxycodone and about 10x more potent than morphine on a mg-for-mg basis due to higher affinity for \u03bc-opioid receptors.<\/li>\n
  • Brand Names<\/strong>: Opana (extended-release), Opana ER (discontinued in the US due to abuse risks via injection after crushing).<\/li>\n
  • Medical Uses<\/strong>:\n
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    • Moderate-to-severe acute pain (e.g., post-surgery).<\/li>\n
    • Chronic pain in opioid-tolerant patients.<\/li>\n
    • Available as oral tablets, extended-release formulations, or injectable.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      Mechanism of Action<\/h3>\n

      Binds to opioid receptors in the brain and spinal cord, inhibiting pain signals, altering pain perception, and producing euphoria. Half-life: ~9-11 hours (oral).<\/p>\n

      Dosage (Adults, Approximate Guidelines)<\/h3>\n<\/div>\n
      \n\n\n\n\n\n\n\n
      Form<\/th>\nStarting Dose<\/th>\nMax Daily<\/th>\n<\/tr>\n<\/thead>\n
      Immediate-release oral<\/td>\n5-10 mg every 4-6 hrs<\/td>\n40 mg<\/td>\n<\/tr>\n
      Extended-release<\/td>\n5 mg every 12 hrs<\/td>\nTitrate carefully<\/td>\n<\/tr>\n
      IV\/IM<\/td>\n1-1.5 mg every 4-6 hrs<\/td>\nVaries by tolerance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
      \n

      Always follow prescribing info; requires opioid tolerance for ER forms.<\/em><\/p>\n

      Side Effects & Risks<\/h3>\n
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      • Common<\/strong>: Nausea, constipation, drowsiness, itching.<\/li>\n
      • Serious<\/strong>: Respiratory depression, addiction, overdose (pinpoint pupils, coma). High abuse potential\u2014Schedule II controlled substance.<\/li>\n
      • Overdose Antidote<\/strong>: Naloxone (Narcan).<\/li>\n<\/ul>\n

        Evidence & Studies<\/h3>\n
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        • Efficacy confirmed in RCTs (e.g., JAMA 2005 study showed superior pain relief vs. oxycodone in post-op settings).<\/li>\n
        • CDC data: Contributed to opioid crisis; FDA halted ER form in 2017 due to IV abuse spikes (90% bioavailability when crushed\/injected vs. 10% oral).<\/li>\n<\/ul>\n

          Warning<\/strong>: High risk of dependence\/tolerance. Not for mild pain or non-tolerant patients. Consult a doctor\u2014misuse can be fatal. If this is for personal use, seek professional medical advice.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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          <\/div>\n","protected":false},"excerpt":{"rendered":"

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