May be related to food allergies, particularly milk/dairy. Try eliminating them for a couple of weeks. Can be improved by nano-particulate gold, Omega 3 oil 3-4 grams with mixed tocopherols 400 IU per daily, also zinc 30 milligrams with copper 2 milligrams once or twice daily. Other often-helpful natural items include, turmeric, bromelain, ginger, vitamin C (buffered) and vitamin K3. Possible symptom control: Doxycycline 100 milligrams twice daily. Book: Thomas McPherson Brown M.D., The Road Back.