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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can The Aspirin Cause Hematuria?

Question on low dose aspirin. I have blood work done every year. A year ago I had 1-5 for RBC and 1-5 WBC in my urine analysis. This year I had 3-5 for RBC and normal (neg) WBC. All other items are normal. Other than vitamins the only medications I take are 81mg of aspirin and have been taking 15mg of meloxicam for arthritis. Can the aspirin cause hematuria? Thanks, Bob Jameson
Fri, 16 Jan 2015
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General & Family Physician,  's  Response
Hello
This year RBCs increased in your urine examination , that is abnormal .
As you mentioned that you are taking low dose aspirin (81 mg ) / day .
As you know that this is anticoagulant , so increases bleeding time and this may be the reason of RBCs in the urine .( however , doses are low but may be be responsible for bleeding ).
You mentioned in the query that you are also taking meloxicam for arthritis .
Meloxicam is NSAIDs and it interact with aspirin and also increase the anticoagulant effect of aspirin , so this may be the reason of RBCs in urine .
3rd reason may be calculus in urinary tract system . Diagnosis can be confirmed by ultrasound of renal system.
However, there are so many other reasons , like uti , etc but in my opinion consult an urologist and get his opinion.
Good luck.
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Can The Aspirin Cause Hematuria?

Hello This year RBCs increased in your urine examination , that is abnormal . As you mentioned that you are taking low dose aspirin (81 mg ) / day . As you know that this is anticoagulant , so increases bleeding time and this may be the reason of RBCs in the urine .( however , doses are low but may be be responsible for bleeding ). You mentioned in the query that you are also taking meloxicam for arthritis . Meloxicam is NSAIDs and it interact with aspirin and also increase the anticoagulant effect of aspirin , so this may be the reason of RBCs in urine . 3rd reason may be calculus in urinary tract system . Diagnosis can be confirmed by ultrasound of renal system. However, there are so many other reasons , like uti , etc but in my opinion consult an urologist and get his opinion. Good luck.