<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi Im not having chest pain or shortness of breath at all. But Ive become paranoid about heart disease as it runs in our family history. I have muscle fatigue especially around the shoulders and have not been sleeping well. I see a massage therapist at least 1 -2 times a month. I weight 260 lbs and am 38 yrs old. I alos have IBS. Since yesterday I have been having bouts of diarherra an am concerned its heart related. Please tell me its not my heart. I took my blood pres and it is 12081 pulse is 85.  <response>: Hello, Thanks for writing to Chat Doctor, I am Chat Doctor. IBS is a condition in which patient have changing bowel habit like sometime have diarrhea n some time have constipation...fatigue n muscle cramps u having is mostly due to electrolytes problem as u having diarrhea which may lead to loss of electrolytes n result having such features,if u are my patient I would like to do electrolytes test n TX it accordingly.for severe cramps u take OTC analgesic like acetaminophen.family history of heart disease make patient pine to heart disease, but it is NT necessarily that u having or will have that disease in the future, thee symptoms are very much suggestive of electrolytes prob n u donor worry about the heart ... I hope this answered your question, if you have more feel free to ask. Regards. 