What kinds of spider bites can cause problems?

Spider bites that: cause cramping of muscles in the area of the bite, generalized cramping of muscles, nausea, vomiting, abdominal pain, chest pain, difficulty breathing & tremor (black widow). Or The surrounding skin becomes hard, swollen & can be red, white & blue. A deep lesion can develop which can eat through fat & muscle. Other symptoms can include nausea, vomiting, fever, chills, generalized muscle & joint >