Pain in the big toe, be it burning or what, is common in osteoarthritis. Both my big toes hurt. Also along the line of those nerves that run down from the lumbar. could also be shoes. Fatigue you describe is normal for about everyone here I think, you might have some exercise induced asthma that contributes, maybe you can talk to your doc about pulmonary tests. If so, using an inhaler before you exercise may greatly improve your tolerance. Take care.
--Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us. Bill Watterson (1958-) cartoonist "Calvin and Hobbes"
Ills--Sjogrens-Lupus-like AI Disease, Hashis, Vitiligo, spinal stenosis/fusion with plate, salivary/lymphectomies, Diabetes, NAFLD, COPD, RLS, neuropathy, trigonitis, hystero, diffuse brain atrophy, GI nightmare
Meds--Plaquenil, Evoxac, Metformin, Synthroid, HCTZ, Estradiol patch, Prosed, Detrol, Klonopin, Ultram, Vicodin, Restasis, Albuterol, steroid injections and pred prn