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Doctor insights on: Bruise On Upper Arm

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Three very tiny bruises on upper arm....Didn't hit on any thing. What could cause that?

Three very tiny bruises on upper arm....Didn't hit on any thing.  What could cause that?

Bruises: The bruises could possibly have been present from a minor unrecognized trauma. Another consideration is that the bruises are due to your blood being too thin. If you continue to have unexplained bruising see her doctor in order to have tests run to sort out the problem. ...Read more

Bruise Or Contusion (Definition)

Bruises, or ecchymoses, are discolorations and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the surrounding tissues. A serious disease called pupura presents as a cluster of small bruises called petachia. Petachia often appears as many tiny red dots clustered together, and could indicate a problem. ...Read more


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I have a bruise on my upper arm which started to itch. Now a rash has come up and it continues itch and the cluster is only within the bruise. ?

I have a bruise on my upper arm which started to itch.  Now a rash has come up and it continues itch and the cluster is only within the bruise. ?

Upper arm bruise: How did you get the bruise? May be eczema or if it is vesicles like chickenpox may be shingles. Consider f/u at urgent care because for eczema can use topical steroids but would not use steroids for vesicles /shingles,would need acyclovir,so f/u with urgent care. Lysine 1500 mg a day x 5 may help for shingles are well. ...Read more

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I have a big bruise on my upper arm that has slowly disappearing, ibe noticed a biggish lump that's painful where the bruise was. What could it be?

I have a big bruise on my upper arm that has slowly disappearing, ibe noticed a biggish lump that's painful where the bruise was. What could it be?

Hematoma: how did u get the bruise? Do u know? Did it suddenly appear or was there a cause? When a bruise heals, it slowly disappears, however a lump maybe what we call a hematoma which is a collection of blood that will take longer to dissipate. ...Read more

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Pain similar to that of a bruise on back of upper arm for months now. No bruise or injury visible, jut slight lump, barely visible. What could it be?

Pain similar to that of a bruise on back of upper arm for months now. No bruise or injury visible, jut slight lump, barely visible. What could it be?

Torn tendon: Bruise of posterior arm could initiate residual hematoma with resulting resolution of intital skin traumatic changes. Question as to rotator cuff or other damage depends on ability to raise arm above horizontal level. Lump could be fibrosis of hematoma or end of torn tendon with fibrosis. MRI of shoulder might be helpful. If not orthopedist should look at nodule with regard to possible bx ...Read more

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I have these very tiny red spots the size of fire ants all on my upper arms. Huge painless "bruise" on my one upper arm. Could these be from bed bugs?

I have these very tiny red spots the size of fire ants all on my upper arms. Huge painless "bruise" on my one upper arm. Could these be from bed bugs?

Picture=1000 words: W/o a seasoned doctor taking a look or picture of the lesion, it is hard to say what it could be. A lot depends on answers to questions he/she may pose: do you have a new or old mattress? Do u use any chemical / cosmetics? Any medical problems that run in ur family? Any other signs/symptoms (weight loss, etc.)? It could be benign (insect bite, petechiae) or it could be a sign of something ominous. ...Read more

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Why is there a hard, immobile lump underneath the bruise on my upper left arm? Leukemia?

Why is there a hard, immobile lump underneath the bruise on my upper left arm? Leukemia?

Is called hematoma: Likely you are describing a hematoma- which is blood accumulation on the tissue underneath the skin. When you have trauma that is significant enough to give you noticeable bruise- bleeding process also happens on the area underneath the skin-some blood accumulated plus minus inflammatory process- and combination will give you " a lump". Put some icepacks/cold compress. ...Read more

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Can Melanoma appear as a 1 inch irregular diameter blue/grey bruise? On the upper outside arm?

Can Melanoma appear as a 1 inch irregular diameter blue/grey bruise? On the upper outside arm?

Melanoma/bruise: Melanoma can appear anywhere. The color is usually dark brown/black and irregular. Melanomas can be flat or a bump but don't usually have a bruise unless there has been trauma to the area on top of it. A bruise is caused by bleeding under the skin. A bruise can become dark, but eventually becomes lighter, green and then yellow. It will go away. If the lesion bleeds or gets larger, see a doc ...Read more

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I have a sore, swollen bruise on my upper inside arm and no idea how i got it. What could it be?

I have a sore, swollen bruise on my upper inside arm and no idea how i got it. What could it be?

Bruise: If you don't know yourself then nobody can say how it came. Consult your physician to make sure whether it is a bruise or not? ...Read more

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My grandmother has a small bruise on her upper-inner arm and it has a fingernail sized lump underneath, she only noticed it a few days ago, cancerous?

My grandmother has a small bruise on her upper-inner arm and it has a fingernail sized lump underneath, she only noticed it a few days ago, cancerous?

No tumor: lump appearing under a bruise frequently results from hematoma consolidating to produce a palpable lesion. Tumors take time to develop. In rare instances a tumor appears at site of bruise but from a pre-existing cancer, removed and appeared under control. This lesion should be watched to assure no further growth and if not resolved while clinically stable, should have excisional bx ...Read more

Dr. Melissa Gowans
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Bruising (Definition)

Bruises may occur over skin that is injured. Bruising from very minor injury can be a sign ...Read more