# Infection
* Common cold
* Flu
* Fever - headaches are common with fever from any type of infection
* Ear infection
* Tooth infection (type of Dental conditions)
* Sinus infection
* Pneumonia
* Measles
* Mumps
* Tonsillitis
* Sinus blockage
* Coughing - too much coughing can cause a form of traction headache.
# Various possible types of headache:
* Migraine
* Cluster headache
* Tension headache
* See also types of headache
# Lifestyle causes
* Hangover
* Excessive alcohol
* Stress
* Fatigue
* Tension
* Tiredness
* Excessive smoking
# Dyspepsia
# Eye conditions
* Glaucoma
* Eyestrain
# Medical procedures
* Spinal tap treatment
* Epidural - this anaesthetic procedure (common for childbirth) can occasionally cause damage to the spinal area and cause headache.
# Systemic or metabolic conditions
* Hypertension
* Thyroid disease
* Anemia
* Kidney failure (type of Kidney disease)
* Uremia
* Lead poisoning - African Folk Remedies - Kohl - headache
* Various toxins - see toxin causes of headache
# Brain or head conditions
* Meningitis
* Encephalitis
* Head injury
* Brain injury
* Mild traumatic brain injury
* Concussion
* Temporal arteritis
* Heatstroke
* Sunstroke
* Blood clots - in the brain, these can cause a stroke.
* Brain aneurysm
* Subdural hematoma
* Stroke
* Transient ischemic attacks
* Subarachnoid hemorrhage
* Brain tumor
* Benign intracranial hypertension
* Trigeminal neuralgia
