Current pain and headache reports
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Constipation is an expected side effect of opioid use and as such should be treated prophylactically. However, because it is often overlooked and under-appreciated it is one of the most common reasons patients avoid or abandon opioid use and, as a result, suffer pain needlessly. Thorough assessment, ongoing evaluation, and patient teaching are key factors in establishing an effective bowel regimen. ⋯ Once any impactions have been eliminated, a regular regimen of senna and docusate is recommended. Dietary modifications, fluids, and exercise are important but usually not sufficient to overcome opioid-induced constipation. Although many of the medicines that are used to treat pain and related symptoms come with a significant potential for distressing side effects, it is important to understand that most side effects, especially constipation, can be managed and quality of life can be preserved without sacrificing needed analgesia.
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Most patients who have been diagnosed with cancer will experience pain at some point during the course of their disease. Often, opioid analgesics are not enough to completely alleviate the patient's pain and the selection of appropriate adjunct analgesic agents is critical. This article reviews the mechanisms of action and analgesic effects of several classes of antidepressants to enable the clinician to select the appropriate agent for the patient.
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Control of malignant pain and related symptoms is paramount to clinical success in caring for cancer patients. To achieve the best quality of life for patients and families, oncologists and palliative care clinicians must work together to understand problems related to psychologic, social, and spiritual pain. ⋯ We discuss clinical experience with several classes of drugs that are currently used to treat cancer pain: 1) nonsteroidal anti-inflammatory drugs, with emphasis on cyclooxygenase-2 inhibitors; 2) opioid analgesics, with specific emphasis on methadone and its newly recognized value in cancer pain; 3) ketamine, an antagonist at N-methyl-d-aspartate receptors; and 4) bisphosphonates, used for pain resulting from bone metastases. New concepts that compare molecular actions of morphine at excitatory opioid receptors, and methadone at nonopioid receptor systems, are presented to underscore the importance of balancing central nervous system excitatory (anti-analgesic) versus inhibitory (analgesic) influences.
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Curr Pain Headache Rep · Jun 2001
ReviewModern management of the cancer anorexia-cachexia syndrome.
The cancer anorexia-cachexia syndrome is common, occurring in 80% of patients with advanced-stage cancer, and it is one of the most frequent causes of death in patients with cancer. It is a complex problem involving abnormalities in protein, carbohydrate, and fat metabolism. ⋯ In addition to the physical manifestations, the resulting abnormalities have a significant psychologic effect on patients and their families. Although there is no treatment to reverse the process, pharmacologic and nonpharmacologic measures can enhance food intake and improve quality of life.
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This article reviews the features of an uncommon malady termed "the exploding head syndrome." Sufferers describe terrorizing attacks of a painless explosion within their head. Attacks tend to occur at the onset of sleep. The etiology of attacks is unknown, although they are considered to be benign. Treatment with clomipramine has been suggested, although most sufferers require only reassurance that the spells are benign in nature.