Headache presents with a pain less acute than Migraine. Headache can be caused by emotional states such as stress, anxiety or depression; they create tension in the muscles of the back and neck affecting the blood supply.
Within the physical agents we have allergies, toxins or pathogens.

In some cases it can also be due to neurological problems such as tumors, aneurysms, heart attacks ... Specialized personnel should be consulted, especially if the pain is sudden and acute or after suffering a blow to the head.

According to Dr. Isaac Goiz Durán, some pairs related to this condition are: Shigella , Dengue , Hemorrhagic dengue , Newcastle , Encephalitis , Typhus exanthematous , Frontal sinusitis , Nasal sinusitis, Influenza , Common cold .