Symptom
Headache
Pain or discomfort localized to the cranial vault, presenting as acute, recurrent, or chronic cephalalgia with variable intensity, duration, and quality.
Causes
Primary causes
Migraine disorders
Tension-type headaches
Cluster headaches
Intracranial pathology (tumor, hemorrhage, increased intracranial pressure)
Vascular disorders: Giant cell arteritis, cerebral venous sinus thrombosis, aneurysm, dissection
Neurological disorders: Trigeminal neuralgia, post-traumatic headache
Environmental and lifestyle triggers
Stress
Dehydration
Skipping meals
Caffeine withdrawal or excessive caffeine intake
Red wine
Processed meats
Sleep deprivation
Oversleeping
Sleep apnea
Bright sunlight
Strong perfumes
Loud noises
Infectious and inflammatory causes
Common cold
Influenza
Sinusitis
Medication overuse headache
Uncorrected vision: Myopia and astigmatism
Temporomandibular joint disorders
Cervical muscle tension and related musculoskeletal strain
Hormonal and physiological causes
Menstrual cycle-related hormonal changes
Pregnancy
Menopause
Also known as: Cephalalgia, Megrim
Referencing diagnoses
- Acoustic neuroma
- Acute febrile neutrophilic dermatosis
- Acute invasive fungal sinusitis
- Acute sinusitis
- Allergic rhinosinusitis
- Brain abscess
- Brain tumor
- Chickenpox
- Chronic sinusitis
- Cluster headache
- COVID-19
- Dysmenorrhea
- Encephalitis
- Endocarditis
- Epidural hematoma
- Erythema infectiosum
- Erythema multiforme
- Familial mediterranean fever
- Fat embolism syndrome
- Gastroenteritis
- Henoch-Schönlein purpura
- Herpes simplex
- Herpes zoster
- HIV
- Hydrocephalus
- Hyperaldosteronism
- Hypercalcemia
- Hypermagnesemia
- Hyperparathyroidism
- Hypomagnesemia
- Hyponatremia
- Hypoparathyroidism
- Hypopituitarism
- Hypovolemia
- Ice pick headache
- Intracerebral hemorrhage
- Labyrinthitis
- Lead toxicity
- Leishmaniasis
- Lung cancer
- Lyme disease
- Medication-overuse headache
- Meningitis
- Metabolic acidosis
- Migraine
- Mononucleosis
- Multiple myeloma
- Mumps
- Nasal polyps
- Pharyngitis
- Pheochromocytoma
- Pituitary adenoma
- Pneumonia
- Polyarteritis nodosa
- Polycystic kidney disease
- Preeclampsia
- Schistosomiasis
- Stroke
- Subarachnoid hemorrhage
- Subdural hematoma
- Syndrome of inappropriate antidiuretic hormone secretion
- Syphilis
- Systemic lupus erythematosus
- Temporal arteritis
- Tension headache
- Thrombotic thrombocytopenic purpura
- Thyrotoxicosis
- Toxic epidermal necrolysis
- Tuberculosis
- Vestibular neuronitis
- Viral hepatitis
- Vitamin B12 deficiency
- Whipple's disease
Note: Lists existing diagnoses in Diagnotize only.