• D D Milovanović, N Majkić-Sing, D Mirković, and J Pavlović.
• Health Center, Institute for Medical Biochemistry, Clinical Centre of Serbia, Belgrade, Yugoslavia.
• Adv Exp Med Biol. 1999 Jan 1; 467: 191-7.

AbstractEach headache can be a complex diagnostic, therapeutic, prognostic and social problem. The pain in the head can be connected with many organic and non-organic causes. In this work, the levels of plasma and urinary free 5-HT and 5-HIAA were investigated in eight migraine (aged 23-59 years) and ten tension-type headache suffers (aged 38-61 years). Based on the data obtained and their correlation with clinical features and in comparison with a control group, the following can be stated: (1) there is involvement of serotonin in migraine and tension-type headache during the attacks, although the positive 5-HT values from plasma were small; (2) urinary 5-HT values in migraine and tension-type headache were normal in comparison to the control group; (3) significantly decreased values of 5-HIAA in urine were found both in migraine and tension-type headache groups. These findings show that catabolism of 5-HT is probably decreased during headache periods; (4) visual aura was found in five out of ten subjects with tension-type headache.

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