Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0022104 (irritable bowel syndrome)
 8,033 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Chronic migraine is considered a complication of episodic migraine. Several risk factors, which may be modifiable or non-modifiable, make varying contributions to the progression towards chronification. Every year 2.5% of patients with episodic migraine go on to suffer chronic migraine. Experimental studies point to a dysfunction in the descending pain modulatory system that would facilitate nociceptive afferents, in the absence of damage to tissues, and so chronic migraine would share a pathogenesis that is similar to that of fibromyalgia, irritable bowel syndrome or chronic tension-type headache (conditions that frequently coexist). This paper reviews the risk factors and the scientific evidence of the possible pathogenic mechanisms involved in the progression towards chronification.
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PMID:[Chronic migraine: pathophysiology]. 2253 38