Nope.

          Potter

One of the best ways to answer questions like this is using:

• PubMed - Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to or
• Google Scholar - Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to or

Both search through published scientific journals and similar sources.

If there is a positive link between the two then I'd expect to see multiple search results with relevant content, e.g. searching on "cluster headache" verapamil, but if you only see a few then it is likely there is minimal connection.

For example for  "cluster headache" dyscalculia, PubMed finds no results and Google Scholar finds 17 hits, although from a quick look at the results there seems to be nothing linking the two.

Based on this I'd conclude that there is no known researched linkage between the two.

There will no doubt be people with CH and the dys's (dyslexia, dyscalculia and dyspraxia), just as there will people people with CH and a red car, it need not mean that they are connected.

Another possibility: There is a long, diverse number of disorders which mimic Cluster but which are not headache disorders. The list grows at such a rate that I stopped adding to the list but I first started this list because of the how easily it is to be mislead in making a diagnosis of Cluster.
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Link to: cluster-LIKE headache:

IN: "Medications, Treatments, Therapies --> "Important Topics" --> "Cluster-LIKE headache"

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