HYPNIC HEADACHE SYNDROMES
\hˈɪpnɪk hˈɛde͡ɪk sˈɪndɹə͡ʊmz], \hˈɪpnɪk hˈɛdeɪk sˈɪndɹəʊmz], \h_ˈɪ_p_n_ɪ_k h_ˈɛ_d_eɪ_k s_ˈɪ_n_d_ɹ_əʊ_m_z]\
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Common conditions characterized by persistent or recurrent headaches (see HEADACHE). Headache syndrome classification systems may be based on etiology (e.g., VASCULAR HEADACHE, post-traumatic headaches, etc.), temporal pattern (e.g., CLUSTER HEADACHE, paroxysmal hemicrania, etc.), and precipitating factors (e.g., cough headache).
By DataStellar Co., Ltd
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Snake's-head
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