When you are suffering from a cold or flu, a headache can form thanks to infection-fighting molecules called “cytokines.” These little molecules are released by your immune system. While their primary function is to fight off infection, they can bring on inflammation which in turn can cause headache in some people.

How do you relieve head pressure from the flu?

A great way to ease a headache and sinus pressure is to place a warm compress on your forehead and nose. If you don't have a compress, try moistening a washcloth with warm water and applying it to your face several times a day. This will help relieve nasal congestion and relieve your head cold symptoms.

Does fever cause heavy head?

Fever and headache pain

Viruses, bacteria, fungi, and parasites can cause infections. Other illnesses and inflammation can also trigger a fever. You might have a fever if your body temperature is higher than 98.6°F (37°C). A fever can lead to changes in your body that may lead to a headache.