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My stool is very very dark brown and my heart is beating very fast
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Digestive Health
Question #29243
97 days ago
335

My stool is very very dark brown and my heart is beating very fast

Krishna

I am starting to get really worried because my stool is very very dark brown and my heart is beating very fast. This just started a few days ago. I mean, I eat healthy, but last week I tried a new restaurant and had this weird spicy dish. Ever since then, my stomach has been off, plus I feel kinda jittery, like my heart is doing a race every time I move. I looked online and I read that dark brown stool can be a sign of bleeding, which freaked me out, and the fast heart rate just adds to the anxiety, ya know? Like, I can feel my heart pounding in my chest sometimes, especially at night when I try to sleep! It's like a weird combo of feeling exhausted but also wired. I did some simple tests at home - like taking my pulse and drinking more water, hoping that might help. Still, my stool is very very dark brown, and I feel like I shouldn't ignore this. I'm stressed but don't want to overreact. Is this something that could just be a bad reaction to food, or should I be really concerned about these symptoms? How urgent is this? What could be causing it??

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Doctors' responses

Given your situation, it is important to weigh the urgency of your symptoms. Very dark brown stool can sometimes be related to diet—foods like beets, iron supplements, or even certain artificial flavorings can alter stool color. However, it could be concerning if what you’re seeing is actually black stool, which might indicate bleeding in the upper gastrointestinal tract. If you’re unsure, it would be wise to err on the side of caution and get it checked out. The racing heart, or tachycardia, could be linked to several factors including anxiety, dehydration, or a reaction to the new spicy dish you tried. Spicy foods sometimes lead to increased heart rate due to thermogenic effects, but combined with changes in stool color, it would be prudent to consider other more serious causes. It’s possible that both symptoms are unrelated, but we wouldn’t want to ignore potential underlying issues such as an ulcer or another gastrointestinal problem that could be causing bleeding. Since these symptoms started recently and are bothersome, visiting a healthcare provider soon would be beneficial. They can do a stool test to check for blood and provide you with a comprehensive evaluation. Ensuring you stay well-hydrated and avoiding any food or drinks that seem to trigger these symptoms might be helpful while you’re waiting for an appointment. Keep monitoring your pulse and be mindful of any additional symptoms like dizziness, shortness of breath, or chest pain, which would require more immediate attention.

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