Answer by  
                                                                                          CJ (11)
                                                            
                          
                          
                                                           In the US, such symptoms could be caused by spider bites from a Black Widow or the Brown Recluse. If allergic, Bee and Wasp stings could cause similar reactions. Tick bites could also be cause for concern. After being outside in a wooded area, be sure to check for ticks on socks or pant cuffs, as well as on pets.