G43.70

Clinical Causes: Genetic predisposition to migraine disorders Changes in brain chemicals and nerve pathways that influence pain and sensory processing Stress or psychological factors Hormonal fluctuations, especially in women Environmental triggers such as bright lights, strong smells, or weather changes Sleep disturbances or irregular sleep patterns Dietary factors like caffeine, alcohol, or certain foods Use of certain medications that may influence migraine frequency

Key Symptoms: Intense headache pain that often pulsates or throbs on one or both sides of the head Headaches lasting 4 hours to 72 hours if untreated Sensitivity to light (photophobia) Sensitivity to sound (phonophobia) Nausea and vomiting during headache episodes Dizziness or lightheadedness Difficulty concentrating during or after episodes Persistent headache frequency, occurring 15 or more days a month over several months

Diagnosis Path: Diagnosing chronic migraine without aura involves a comprehensive medical history review and symptom evaluation. Healthcare providers typically apply criteria such as the International Classification of Headache Disorders (ICHD) guidelines, which include the frequency, duration, and characteristics of headaches. Diagnostic tests like MRI or CT scans may be used to rule out other causes of headaches or neurological conditions. Keeping a headache diary to track frequency, duration, triggers, and symptoms can help in establishing an accurate diagnosis.

Treatment Protocols: Managing chronic migraine without aura generally includes a combination of lifestyle modifications, preventive medications, and symptomatic relief strategies. Patients might be advised to identify and avoid known triggers, maintain regular sleep and eating routines, and manage stress through relaxation techniques. Preventive medications, prescribed by healthcare providers, may include beta-blockers, antiepileptic drugs, antidepressants, or CGRP inhibitors. Acute treatments such as pain relievers are used to manage individual episodes, but overuse should be avoided due to the risk of medication-overuse headaches. In some cases, non-pharmacologic therapies like biofeedback, acupuncture, or cognitive-behavioral therapy may be beneficial. Regular follow-up with healthcare providers is essential to adjust treatment plans and monitor for changes in headache patterns.