Headaches and hormones


Toxoplasmosis is an infection caused by a parasite. It doesn't make most people ill, but infants and people with HIV/AIDS are at risk of complications.


Common headache types

Risk factors

High blood pressure (hypertension)


A migraine isn't an ordinary headache. In addition to severe head pain, it can cause nausea, vomiting, and extreme sensitivity to light and sound.

Stress symptoms

Aches and pains, irritability, and crying spells may have an unexpected source — stress. Recognize these and other signs and symptoms so that you can take action.


Nausea and vomiting

Runny nose

Runny nose: What's causing your sniffles?

Tests and diagnosis

CT scan

EEG (electroencephalogram)


MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.


Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

Treatments and drugs

Feeling overwhelmed? Take a break

Have you had a good laugh today?

Headache symptoms, treatments

Headaches 101: Know your type

Stress and headaches: Stop the cycle

March 10, 2015