Lynne B
                    
                    
                    
                    
                    
                    
                    
                        
                        
                        I think what you are experiencing is common with PA.  I get a B12 shot once a month and can always tell when I am due to get it.  My boss at work has PA too and she has the same symptoms you and I are both experiencing.  Do you have any other autoimmune diseases besides PA?