Ask the doctor: Bleeding risks from low-dose aspirin
Aspirin also hinders helpful substances that protect the delicate lining of the stomach. This can lead to stomach upset or bleeding in the stomach and intestines. If your stomach begins to bother you, call your doctor. Sometimes a blood test to check for a low red blood cell count (anemia) might be necessary. More serious bleeding can lead to black, tarry stools, and in rare cases, you may vomit blood.
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