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.
Insect and spider bites often cause minor swelling, redness, pain, and itching. These mild reactions are common and may last from a few hours to a few days. Serum sickness, a reaction to the medicines (antiserum) used to treat a bite or sting. 2  Serum sickness may cause hives and flu-like symptoms about 3 to 21 days after the use of antiserum. 3  A virus infection. 4  Infected mosquitoes can spread the West Nile virus to people, causing an inflammation of the brain (encephalitis).