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What Causes Unexplained Bruises On Lower Legs, Chest, Back, Arms And Shoulder?

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Posted on Mon, 7 Sep 2015
Question: I have several (many) unexplained bruises on my lower legs, both front and back, from the knees down and both arms, shoulder down. This condition started about two months ago. They are of various ages, some bright red, some more of the brownish color. Those on my arms are mostly small, dime size... those on my legs are from palm size to very small. I saw my GP yesterday, they took blood (no results yet) and he prescribed Naproxen 500 mg twice daily. What is your opinion, please?
doctor
Answered by Dr. Noble Zachariah (44 minutes later)
Brief Answer:
Bleeding into the skin

Detailed Answer:
Hello,

Welcome and thanks for your query.
These unexplained bruises are likely to be bleeding into the skin.
It is better to exclude conditions like thrombocytopenia and disorders of the clotting mechanism. It can also occur from inflammation or fragility of the capillaries.
Do get back to me with the results of the blood examination.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Noble Zachariah (22 hours later)
Here are the results of my blood test on Aug18th as copied from my doctors Home Page:


Results
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          Globulin 
3 g/dL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 




          BUN/Creatinine Ratio 
8 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 




          eGFR NAA 
60 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
>= 60




          eGFR AA 
> 60 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
>= 60




          Total Protein 
6.3 g/dL (Low) 
Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
6.4 g/dL - 8.2 g/dL




          Sodium Lvl 
144 mmol/L (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
136 mmol/L - 145 mmol/L




          Sed Rate 
12 mm/hr (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
mm/hr - 30 mm/hr




          RDW 
13.7 % (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
11.6 % - 14.8 %




          Potassium Lvl 
4.3 mmol/L (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
3.5 mmol/L - 5.1 mmol/L




          Platelet 
208 thou/mm3 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
130 thou/mm3 - 400 thou/mm3




          Neutrophils Absolute 
5.4 thou/mm3 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
1.5 thou/mm3 - 5.9 thou/mm3




          MPV 
10.4 fL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
fL - 99.8 fL




          Monocytes Absolute 
0.8 thou/mm3 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
thou/mm3 - 0.9 thou/mm3




          MCV 
98.3 fL (High) 
Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
80.0 fL - 94.0 fL




          MCHC 
31.7 g/dL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
31.0 g/dL - 37.0 g/dL




          MCH 
31.2 pg/cell (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
25.0 pg/cell - 38.0 pg/cell




          Lymphocytes Absolute 
2.2 thou/mm3 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
1.5 thou/mm3 - 4.0 thou/mm3




          Hgb 
14.6 g/dL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
12.0 g/dL - 16.0 g/dL




          Hct 
46.0 % (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
37.0 % - 47.0 %




          Glucose Lvl 
72 mg/dL (Low) 
Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
74 mg/dL - 106 mg/dL




          Eosinophil Absolute 
0.2 thou/mm3 (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
thou/mm3 - 0.7 thou/mm3




          Creatinine Lvl 
0.90 mg/dL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
0.55 mg/dL - 1.02 mg/dL




          Chloride Lvl 
105 mmol/L (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
98 mmol/L - 107 mmol/L




          Calcium Lvl 
9.5 mg/dL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
8.5 mg/dL - 10.1 mg/dL




          Bilirubin Total 
0.5 mg/dL (Normal)

Date
Aug 18, 2015 10:30 a.m. CDT 
Reference Range
0.2 mg/dL - 1.0 mg/dL




doctor
Answered by Dr. Noble Zachariah (1 hour later)
Brief Answer:
A couple of tests are required in addition

Detailed Answer:
It is good that platelets and blood cells are normal. This excludes problems like thrombocytopenia and leukemia.
A couple of tests Prothrombin time and activated partial thromboplastin time are to be checked and if these are normal a problem with the blood clotting mechanism is less likely. It is likely that fragile capillaries which may be related to age cause the easy bruising. It is not a serious problem.
Note: Hope the answers resolves your concerns, however for further guidance of skin related queries consult our Dermatologist.Click here to book a consultation

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Noble Zachariah

Internal Medicine Specialist

Practicing since :1974

Answered : 2319 Questions

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What Causes Unexplained Bruises On Lower Legs, Chest, Back, Arms And Shoulder?

Brief Answer: Bleeding into the skin Detailed Answer: Hello, Welcome and thanks for your query. These unexplained bruises are likely to be bleeding into the skin. It is better to exclude conditions like thrombocytopenia and disorders of the clotting mechanism. It can also occur from inflammation or fragility of the capillaries. Do get back to me with the results of the blood examination.