Fibromyalgia
National Fibromyalgia Association
The American Fibromyalgia Syndrome Association, Inc
Migraine and headache
Heal your Headache (UK link to purchase)
Heal your Headache (US link to purchase)
Postural orthostatic tachycardia syndrome
Ehlers-Danlos
Vestibular disorders
Vestibular Disorders Association
Interstitial Cystitis / Bladder Pain Syndrome
Interstitial Cystitis Association
Mast cell activation syndrome (MCAS)
Swiss Interest Group Histamine Intolerance (SIGHI) (low histamine diet list)
- the SIGHI food list is available in a number of languages on their website.