Possible causes of Headache

59 conditions can cause this symptom. Most common are listed first.

• Cluster headache Common
• Head injury Common Urgent Pediatric
• Meningioma (brain tumor) Common
• Migraine Common Pediatric
• Otitis media (middle ear infection) Common Pediatric
• Sinusitis (sinus infection) Common Pediatric
• Upper respiratory tract infection (URI) Common Pediatric
• Cerebral aneurysm (brain artery dilation) Urgent
• Epidural hematoma (bleeding outside of the brain or spinal cord) Urgent
• Hydrocephalus (fluid on the brain) Urgent Pediatric
• Pseudotumor cerebri (elevated brain pressure) Urgent
• Subdural hematoma (bleeding on brain) Urgent
• Abrasions
• Alcoholism
• Allergic rhinitis (runny nose)
• Amphetamine abuse Urgent
• Anxiety disorder
• Bell's palsy (facial muscle weakness)
• Bipolar affective disorder (bipolar depression)
• Brain tumor (cancer) Urgent
• Carbon monoxide poisoning Urgent
• Cavity (tooth caries)
• Cervical spondylosis (neck arthritis)
• Concussion (head injury)
• Contusion (bruise)
• Dental abscess (collection of pus)
• Depression (excessive sadness) Urgent
• Drug reaction
• Encephalitis (brain infection) Urgent
• Essential hypertension (high blood pressure)
• Glaucoma (elevated eye pressure) Urgent
• Herniated disc (slipped disc, ruptured disc)
• Hypertension (elevated blood pressure)
• Hypertensive emergency (blood pressure emergency) Urgent
• Influenza (seasonal flu)
• Intracranial hemorrhage (bleeding in brain) Urgent
• Lyme disease Urgent
• Major depressive disorder (severe depression) Urgent
• Meningitis (brain spine infection) Urgent Pediatric
• Nasal fracture (broken nose)
• Obstructive sleep apnea (sleep apnea)
• Orbital fracture (broken bone) Urgent
• Otitis externa (outer ear infection)
• Pharyngitis (throat infection)
• Porphyria
• Post concussive syndrome (post head injury)
• Posterior inferior cerebellar artery syndrome
• Premenstrual syndrome (PMS)
• Puncture wound, face
• Scalp laceration (scalp cut)
• Seizure (epilepsy) Urgent
• Stress
• Temporal arteritis (inflamed scalp artery) Urgent
• Temporomandibular joint syndrome (TMJ)
• Tension headache (stress headache)
• Tonsillitis (tonsil infection)
• Trigeminal neuralgia (facial nerve pain)
• Viral infections
• Whiplash injury