Transformed Migraine: A Proposal for the Modification of Its Diagnostic Criteria Based on Recent Epidemiological Data

Headache Classification Committee of the International Headach Society. Classification and diagnostic criteria for headache disorders, cranial neuralgias and facial pain. Cephalalgia 1988;8 Suppl 7:1–96

Silberstein SD Lipton RB Solomon S Mathew NT . Classification of daily and near-daily headaches: proposed revisions to the IHS criteria. Headache 1994;34:1–7

Messinger HB Spierings ELH Vincent AJP. Overlap of migraine and tension-type headache in the International Headache Society Classification. Cephalalgia 1991;11:233–7

Solomon S Lipton RB Newman LC . Evaluation of chronic daily headache—comparison to criteria for chronic tensiontype headache. Cephalalgia 1992;12:365–8

Sanin LC Mathew NT Bellmyer LR Ali S. The International Headache Society (IHS) headache classification as applied to a headache clinic population. Headache 1994;14:443–6

Pfaffenrath V Isler H. Evaluation of the nosology of chronic tension-type headache. Cephalalgia 1993;13 Suppl 12:60–2

Sandrini G Manzoni GC Zanferrari C Nappi G. An epidemiological approach to the nosography of chronic daily headache. Cephalalgia 1993;13 Suppl 12:72–7

Olesen J Rasmussen BK . The International Headache Society classification of chronic daily and near-daily headaches: a critique of the criticism. Cephalalgia 1996;16:407–11

Nappi G Granella F Sandrini G Manzoni GC . Chronic daily headache. How should it be included in the IHS classification? Headache 1999;39:197–203

Goadsby P Lipton RB . A review of paroxysmal hemicranias, SUNCT syndrome, and other short-lasting headaches with autonomic features, including new cases. Brain 1997;120:193–209

Mathew N Stubits E Nigam MR . Transformation of episodic migraine into daily headache: analysis of factors. Headache 1982;22:66–8

Mathew N. Transformed migraine. Cephalalgia 1993;13 Suppl 12:78–83

Mathew N Reuveni U Pérez F. Transformed or evolutive migraine. Headache 1987;27:102–6

Silberstein SD Lipton RB . Chronic daily headache. In: Goadsby P Silberstein SD editors. Headache. Boston: Butterworth-Heinemann, 1997:733–41

Silberstein SD Lipton RB . Classification of daily and neardaily headaches: field trial of revised IHS criteria. Neurology 1996;47:871–5

Castillo J Muñoz P Guitera V Pascual J. Epidemiology of chronic daily headache in the general population. Headache 1999;39:190–6

Rasmussen BK Olesen J. Symptomatic and nonsymptomatic headaches in the general population. Neurology 1992;42:1225–31