The Clinical journal of pain
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Capsaicin application to human nasal mucosa was found to induce painful sensation, sneezing, and nasal secretion. All of these factors exhibit desensitization upon repeated applications. The acute effects induced by capsaicin (300 micrograms/100 microliters) application to the nasal mucosa were studied in healthy volunteers and cluster headache patients. ⋯ Likewise, the time course of desensitization to the painful sensation and nasal secretion induced by capsaicin applied for five consecutive days in control subjects was almost superimposable to those observed in the nasal mucosa of cluster headache patients. The number of spontaneously occurring attacks was significantly reduced in the 60 days after the end of capsaicin treatment. Whether the beneficial effect induced by capsaicin application to the nasal mucosa could be ascribed to a specific action on sensory neurons remains unknown.
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An inpatient headache treatment unit provides a special environment for those patients whose headaches have failed to respond to outpatient therapy. Outpatient therapy may be precluded for a variety of treatment issues, including detoxification, initiation of copharmacy prophylactic medical therapy, and intravenous treatment for intractable chronic cluster headache and status migrainous headache. These complex medical treatments are viewed as some of the most valuable therapies by the patients and, at least in part, significantly decrease both headache indexes utilized in this survey. ⋯ Treatment failures may be due to variations in the etiology of chronic muscle contraction headache and posttraumatic headache. Denial of psychological factors in headache may also contribute to treatment failure. Habituation to analgesics and ergots may decrease patient response as compared with those not dependent.
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A number of classifications of headache have appeared in medical and professional journals. In addition to these formal diagnostic classifications, a number of articles have addressed the relationship of sexual functioning to headache etiology, course, and prevalence. To this end, many headache specialists have developed a classification for what are termed "sexual headaches." To date, these sexual headaches have been limited to migraine and muscle contraction (tension) headache patterns. We present, for the first time, two case studies documenting the role of sexual activity in both etiology and course of cluster headache.
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Review Case Reports
The assessment and treatment of pain in the emergency room.
A broad spectrum of painful conditions presents to the modern emergency center (EC). The three most common categories are acute, self-limited disorders; chronic medical or surgical syndromes with acute exacerbation; and psychic pain syndromes in which the etiology cannot be easily ascertained. Many factors may differentiate pain from suffering, and physicians should educate patients not only about the nature of their condition and its prognosis, but also about anticipated discomfort. ⋯ Two special groups of patients, those with psychic pain syndromes and those with drug-seeking behavior, can create problems for the physician. Patients with chronic pain syndromes need special follow-up but do not benefit from additional analgesic drug therapy. Patients who seek and abuse drugs can be difficult to identify, may have true underlying medical pathology, and should not be given narcotic prescriptions.
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Headache is the most common complaint encountered in clinical practice. Approximately 45 million people in the United States experience chronic headaches. The management of migraine headache involves both pharmacologic and nondrug therapy. ⋯ Prophylactic therapy is focused on reducing the frequency and severity of the attacks. beta-Adrenergic blocking agents, such as propranolol, remain the primary agents for many migraine patients, although other drugs, such as nonsteroidal anti-inflammatory drugs (NSAIDs), including ketoprofen, or calcium-channel blocking agents, such as verapamil, may be beneficial for many patients. For cluster headache and its variants, methysergide and corticosteroids are usually the drugs of choice. Patients with chronic cluster headache may achieve good results from long-term treatment with other therapies, including lithium carbonate, verapamil, and ketoprofen.