You came to the right place. You can get a lot of information and support on the PDSA.
Low counts can be scary, but very few people ever die from ITP and it can usually be managed with treatments. There are several options and if one doesn't work, there are others. IVIG is usually a very temporary treatment and doesn't last long. Platelet transfusions are useless and should be used for emergency bleeding situations. Low counts alone are not a medical emergency, but the symptoms can be if there is bleeding.
Hopefully, you will have a Hemo who is familiar with ITP. Some of them are not and tend to go with older methods of treatment. Splenectomy is not a cure and sometimes does not work. There is no reason to rush into that. Sometimes ITP is temporary after an illness or medication so it's a good idea to wait at least a year before considering that.
With ITP, it's not necessary to maintain a normal count; anything over 30k is safe for daily living. ITP can turn life upside down for a while, but things will be normal again in time, whether ITP resolves or not. Everyone eventually learns to live with it and we all have normal lives.
TTP is really scary and hopefully, you don't get that diagnosis. Stick with us and read. You will have to advocate for yourself.