Hi, Welcome To HCM & Thanks For Asking Your Query Here As you said your platelets count is okay but still you are having severe nose bleed , so in this case it is not related to low platelet count and there are many other medical conditions which may be cause this including exposure to warm, dry air for prolonged periods of time, nasal and sinus infections, allergic rhinitis, vigorous nose blowing,if u had any nasal surgery, it may also be a result of deviated or perforated nasal septum and it needs thorough medical check up and investigations to spot a confirm diagnosis blood clots from stomach are related to the nasal bleeding going down into stomach finally i would strongly suggest you to see an ENT specialist ,with thorough medical checkup he may go for all necessary medical investigations to rule out any underlying medical condition I hope it help Thanks & Get well Soon