• Shoko Yokotsuka and Jitsu Kato.
• Depatment of Anesthesiology, Nihon University School of Medicine, Tokyo 173-8610.
• Masui. 2013 Jul 1;62(7):791-8.

AbstractTramadol/acetaminophen fixed-dose combination tablets (Tramse) combine tramadol, a centrally acting week opioid analgesic, with low-dose acetaminophen. The action of tramadol may be described as a weak agonist at the mu-opioid receptor, inhibition of serotonin reuptake, and inhibition of noradrenaline reuptake. The second component in these tablets, acetaminophen mainly appears to act through central mechanism. Chronic pain may be broadly classified into nociceptive, neuropathic and mixed. Tramset may exert additive or synergic benefits in treating the multiple mechanism of pain. Clinical studies have revealed its efficacy and safety for a variety of pain condition such as chronic low back pain, rheumatoid arthritis, fibromyalgia and painful diabetic peripheral neuropathy. It is expected that Tramset is going to induce pain relief and to improve disturbance of daily life in patients with intractable chronic pain. However overuse of Tramset may induce severe adverse effects such as addiction, abuse and hepatotoxicity. Therefore clinician should continuously assess pain intensity, activity of daily life, mode of its consumption, and adverse effects after prescription.

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