Fluid in your lungs and hands also can lead to yellow nail syndrome. So can Raynaudâs phenomenon, which is caused by poor circulation to the fingers, toes, and nose. Yellow nails can even be a symptom of sinusitis, thyroid problems, and rheumatoid arthritis. Only your doctor can tell you what they mean.
Most common spider bite symptoms will pass in a day or two, and completely heal in a week to 10 days. Think of them like a bad mosquito bite. Much of this depends on your tolerance to the venom. I have had bites that were literally gone the next day. Source(s): UC Irvine, entomology. daniel g Â· 8 years ago.
emerge from their white. web cells and find their way. outside. These spiders can bite humans. and cause a small irritating. spot which may not heal for 8. to 10 days.