<s>[INST] Can thrombocytosis result from an untreated sinus/respiratory infection? Patient is a 65 year old male with a severe sinus/respiratory infection. Starts experiencing numbers in bilateral arms and face and burning pain in bilateral feet. Has pain in his diaphragm region. Blood pressure is 200/100. Blood work results show high platelet count (double whats normal) and everything else is normal. EKG, stress test, carotid ultrasound are all normal [/INST] Hi, dear. I have gone through your question. I can understand your concern. You have thrombocytes.  Any infection can lead to reactive thrombocytes.  You should take treatment of your infection first.  Your platelet count will down to normal automatically. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. </s>