There are different types of headaches. Some have sharp pain, throbbing sensation or dull ache. They can appear slowly or suddenly. They can last for several days or for less than an hour.

You can feel them on one or both sides of the head or just on a certain location.

You need to be able to distinguish which ones are dangerous and which ones are harmless.

Here is a list where you can read about the headaches that if appear you need to visit the doctor:

  • Thunderclap headache

This type of headache can be sudden and severe in only few seconds or minutes. The doctors associate this headache with subarachnoid hemorrhage that can actually be life threatening problem.

  • After injury-damage headache

 Usually this headache appears after an injury or damage and it is called the post-traumatic headache. Sometimes this type of headache can cause blackouts where you will need a doctors treatment. Even small had injury may cause some damage to the brain and can create pressure in the skull.

  • An awful headache after waking

The name for this specific headache is morning migraine. It may be an indication for brain tumor. A doctor from the Columbia University College of Physicians and Surgeons in New York City show that 80% of these people suffer from brain tumor when having the morning migraine.

  • Worst cerebral pain

The problems that can cause this kind of migraine can be nausea, vomiting, vision problems and dizziness. The pain can be shown in the upper neck and head while being still, or hardened neck, or even have problems with light, perplexity. If you are suffering from any of these symptoms and they continue during the day, you will need to consult your doctor.

  • Sudden cerebral pain

We have all heard about aneurysm. It is like a bulge in the wall of the artery. SAH ( subarachnoid hemorrhage is a brain aneurysm that can cause bleeding in the subarachnoid space. The symptoms are localized headaches, dilated pupils, blurred or double vision, pain above the eyes, weakness and numbness, eve difficult when speaking.

Migraines that can be unusual:

Here is a list of those migraines and headaches that are unusual:

  • After the age of 50 they can appear
  • Changes all the time in frequency and location
  • They accelerate each day
  • Affects the vision and speech
  • When having physical activities it occur, like weight lifting, sex and jogging
  • It feels like the worst headache ever
  • Sometimes it can affect memory loss, difficult when moving the extremities, lost of balance and even confusion
  • They are accompanied with fever, nausea or vomiting
  • They can even cause shortness in breath
  • Sometimes they are followed with seizures
  • You cannot perform your daily activities