What is a Cluster Headache?

Dr. Loftus has extensive experience treating the four characteristics of a cluster Headache

What exactly is a Cluster Headache?

A cluster headache (according to International Headache Society criteria {Cephalgia 2004;24 (Suppl 1)} has to satisfy the following criteria:

1) Severe unilateral headache in the orbital, supraorbital, or temporal region lasting 15 minutes to 3 hours.

2) The frequency of headache must vary between one every other day, up to 8 per day.

3) The headache must be associated with either:

  • Lacrimation (eye tearing)
  • Nasal congestion
  • Rhinorrhea (runny nose)
  • Forehead/facial swelling
  • Miosis (small pupil)
  • Ptosis (eyelid partially closed)
  • Eyelid edema
  • Conjunctival injection (redness in the white part of the eye)
  • Sense of restlessness or agitation during the headache

4) No other associated disease

Cluster headaches are considered episodic if they come for 7 days to one year apart with at least a 2-week, pain free break. They are considered chronic if they last longer than one year without a 2-week pain-free break.

So what is paroxysmal hemicrania?

Chronic paroxysmal hemicrania is, for all practical purposes, a “cluster-like” headache that responds completely to the drug indocin.  Clues that it is paroxysmal hemicrania instead of cluster headaches are:

  • The headaches are shorter and tend to occur more frequently.
  • Not all of the headaches are severe.

It is important to keep an accurate history of the headaches in order to help Dr. Loftus or your neurologist correctly diagnose the headaches.

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five star patient reviews dr loftus
Five star patient reviews

Dana T.(Patient Since 2017)

Dr Loftus listens to what I had to say and asked a lot of questions. I’ve been seeing him for 3 years and couldn’t be happier. Keeps up with the latest medication available too.

Michelle R.(Patient Since 2012)

I have seen three neurologists for my migraines, unspecified headaches, and post herpatic neuralgia. Dr. Loftus is the first physician that did a thorough exam (I can say that, I’ve been an RN, BSN for 17 years) and the first to explore meticulously all treatment options. He is also the only physician with whom I have achieved pain control! I highly recommend him!

Dr. Brian Loftus, MD square profile picture

Providing headache and hyperhidrosis care & wellness for over 25 years.

Dr. Brian Loftus, M.D.

Dr. Loftus is Board Certified in Headache Medicine as well as Neurology. In private practice since 1994, Dr. Loftus’ practice has gotten busier and he has decided to concentrate his practice in areas that he can make a particular difference compared to other neurologist. Therefore, Dr. Loftus has chosen to focus his neurology practice on headaches & head painheadaches during pregnancy, and hyperhidrosis. In the spring of 2006, Dr. Loftus relocated his practice from the Texas Medical Center to Bellaire, just 5 miles west. He has been named a Texas Monthly “Super Doctor” and an H Texas magazine “Top Doctor” multiple times.