6/1/2019
Migraine, Cluster, and Tension Headaches
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Headaches may be classified as primary or secondary. Primary headaches have no associated underlying pathologic abnormalities. The principal primary headaches include cluster, migraine, and tension-type headaches. These syndromes constitute more than 90% of primary headaches. Cluster headaches occur more frequently in males than females, whereas migraine headaches, and sometimes tension headaches, occur more commonly in females than males. Some patients develop analgesic-withdrawal or rebound headaches. Secondary headaches are due to an underlying metabolic, structural, or pathologic condition.. Diagnosis of headache requires a thorough history with a detailed physical examination. History should include the onset and description of headache, location, frequency, duration, any associated symptoms, any prodromal features or aura, family history, and medication history.
Tension-type headache is usually bilateral in location, bifrontal, bioccipital or cervical. It is described as a tight aching band that is squeezing and pressing, with no prodrome or aura. Episodic tension headache usually lasts 30 minutes to a few hours; rarely it can last days. Tension headaches are best managed with acetaminophen, NSAIDs, massage therapy, heat, and rest. Preventive measures such as smoking cessation, regular exercise, and reducing alcohol and caffeine intake may be useful.
Cluster headache is usually unilateral in location and does not include an aura. Onset of the headache is frequently in the fourth or fifth decade of life. It is generally orbito-temporal, excruciating, and penetrating with possible ipsilateral ptosis, miosis, red eyes, nasal congestion, and sweating of the face. Patients may have a sense of restlessness, agitation with frenetic pacing, and rocking movements. Triptans such as sumatriptan, especially the injectable form, are used to treat acute cluster headache. Briefly inhaling 100% oxygen provides dramatic improvement for cluster headache. Preventive medications for cluster headaches include topiramate, lithium carbonate, and calcium channel blockers such as verapamil.
Migraine headache is an intense, throbbing or pulsating sensation lasting several hours or even days. The pain may be disabling, sometimes limiting physical activities. It may be associated with menstruation and changes in mood, appetite, or energy. Migraine headache can often be associated with nausea, vomiting, photophobia, phonophobia, or behavioral changes. It may or may not include aura, which is a sensory disturbance that precedes the headache. Triggers for migraine headache can include stress, lack of sleep, certain medications (oral contraceptive pills, vasodilators like nitroglycerin), changes in hormones, diet, diet additives, and weather. The intensity and frequency of migraine headaches tend to decrease in pregnancy and after menopause. First-line preventive treatment options include antihypertensives (propranolol, candesartan), antidepressants (amitriptyline, venlafaxine), and antiepileptics (topiramate). Migraine headache may be treated with acetaminophen, non-steroidal anti-inflammatory drugs (NSAIDs), amitriptyline, triptans, ergots, narcotics, butalbital, calcium channel blockers, or beta-blockers. Adjunctive treatment for migraine may include non-pharmacologic options such as exercise, relaxation techniques, adequate sleep, and avoiding precipitating factors.
The differential diagnosis for secondary headache includes severe hypertension, tumors of the central nervous system, thrombosis of brain sinuses or veins, infection or inflammation of the head and neck region, head injury, subdural hematoma, subarachnoid hemorrhage, or hydrocephalus. Red flags for secondary headaches include: first or worst headache of the patient’s life; rapid onset; headache beginning at extremes of age (< 5 years and >50 years); headache associated with sex, exertion, cough, sneeze, or Valsalva; human immunodeficiency virus (HIV); pregnancy or headache with seizure; syncope; neurologic deficits or altered consciousness; or the presence of cancer. Patients with any of these red flags need immediate evaluation.
Preeclampsia should be considered in women over 20 weeks of gestation and women in the peripartum and postpartum period with new-onset headache.
Further Reading:
Headaches in Pregnancy and Postpartum: ACOG Clinical Practice Guideline No. 3. Obstet Gynecol. 2022 May 1;139(5):944-972. doi: 10.1097/AOG.0000000000004766. Erratum in: Obstet Gynecol. 2022 Aug 1;140(2):344. PMID: 35576364.
International Headache Society (IHS). www.ihs-headache.org/
Robbins MS. Diagnosis and Management of Headache: A Review. JAMA. 2021 May 11;325(18):1874-1885. doi: 10.1001/jama.2021.1640. PMID: 33974014.
Initial Approval May 2019, Published June 2019, Revised January 2021, Reaffirmed July 2022. Revised May 2024.
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