This preteen arrived at the hospital with headache and fever. Read about her case, then click the link for possible causes and her diagnosis.

It could be a brain infection, but antibiotics and draining can clear it right up. Read this and see a doctor if you have these symptoms.

Since both of these illnesses include stiff neck, headache and fever, they can be confused for each other. Learn about the differences between them.

Could the fever be causing the headache? This is why so many childhood illnesses include both headache and fever. Read about this phenomena here.

Don't know when to head to the hospital or just take some medicine and stay in bed? Scroll down to “Headaches and Fevers” to find out.

Toxoplasmosis (Cat Scratch Fever) starts with headache and fever after touching the litter box or rough kitty play. Learn how to prevent this illness here.

This FAQ covers the most popular over-the-counter medications for headache and fever. Read when to avoid and when to to use them.

This amusing video covers prevention and treatment, and includes a reminder that headache and fever are signs of flu. Watch this for a chuckle.

Most of these fever-type illnesses include headache as a symptom. If you travel or work with refugees, watch for these symptoms in yourself and others.

A sinus infection can cause symptoms such as middle-of-the-head headache and fever. It will usually clear up on its own, but see a doctor if symptoms persist.

Cryptococcosis, an airborne illness spread by pigeons, causes headache and fever, and generally only infects people with compromised immune systems. Learn about it here.

If headache and fever make you wonder about meningitis, go to the ER. They'll tell you if it's the severe or milder type, or something else.

The symptoms of Rocky Mountain spotted fever are headache and fever followed by a rash. See a doctor now if you have these symptoms.

Arboviral diseases, such as West Nile Virus or Triple-E, often start with headache and fever. They can be deadly, so see a doctor.

Mycoplasma infection can cause flu-like symptoms, such as headache and fever. If symptoms persist or you have trouble breathing, see a doctor.