Hola Jose Ramon,

Welcome to CH.com.  Your English is fine and much better than my Spanish...

The pain you feel when touching your scalp or pressure on your head and face on the hit side while sleeping is likely cutaneous allodynia - pain as a result of touch or pressure to the face or scalp that shouldn't ordinarily result in discomfort or pain.

Allodynia is one of the less prevalent symptoms of the cluster headache syndrome.  It's annoying, but shouldn't be a real worry.

You might want to see your doctor for the lab test for 25(OH)D.  This is the serum level metabolite of vitamin D3 that's used to measure its status.  The normal reference range for this lab test is 30 to 100 ng/mL, (75 to 250 nmol/L). 

So far, nearly every cluster headache sufferer (CH'er) who has gone in for this lab test while experiencing active CH attacks has had their results come back indicating a vitmain D3 deficiency, i.e., ≤ 30 ng/mL, (75 nmol/L).

Vitamin D3 is the sunshine vitamin and your skin can make 15,000 IU of vitamin D3 in as little as 10 minutes if exposed to the UVB in mid day sunlight clad in a bathing suit without sun block... 

I've been to Los Cabos so know you have pleanty of sunlight there...  Do you spend much time in a bathing suit without sun block?

83% of CH'ers who have started the anti-inflammatory regimen with at least 10,000 IU/day vitamin D3 and stayed on it have experienced a significant reduction in the frequency, severity and duration of their CH.  75% experienced several pain free days a week and 57% remained completley pain free. 

Most CH'ers respond in the first two weeks after starting this regimen.  Some respond within the first 24 hours while others have taken up to a month and longer. 

This regimen appears equally effective for episodic and chronic CH'ers and there are many who have remained pain free for more than three years on this regimen... I'm one of them and I'm chronic.

I take the following over the counter supplements illustrated in the photo below.

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These supplements may not be available in Los Cabos by the brands above so you can use the following table to find the best supplements available at the local chemist/farmacia there.

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You can read more about this regimen at the following link:

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Take care, adios, and please keep us posted if you give this regimen a try.

V/R, Batch