 [ Symptoms ] is it safe to go to the dentist when pregnant is it safe to have the shot that numbs your mouth  i have to have a root canal done and i just found out i am pregnant and want to know if it is safe for me to go [ Disease ] not knowing the type of spider venomous or not or the agewieght of your son  i would advise you to seek medical care an area of swelling the size of an orange is very concerning