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.
Bites from black widow and brown recluse spiders cause visible symptoms but they may also require medical care if the symptoms worsen. Because most people donât feel the bite when it happens, it can be hours or days before symptoms are noticed, which increases the chances of complications from these spider bites.