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Doctor insights on: Left Arm Bruising

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Dr. Melissa Gowans
1,438 Doctors shared insights

Ecchymoses (Definition)

Ecchymosis = subcutaneous bleeding covering a diameter ...Read more


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I feel bruise like pain on the side under left arm pit when I press on it. It is literally on the side of my body under left arm pit. Didn't bump into?

I feel bruise like pain on the side under left arm pit when I press on it. It is literally on the side of my body under left arm pit. Didn't bump into?

Various causes: Discomfort and tenderness there could be due to strain of muscle or ligament, bruised rib or tender lymph glands. Check for any lumps or redness, and if symptoms persist or worsen, see your physician for diagnosis and treatment. ...Read more

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I got a unknown bruise on my left arm that hurts alittle but I don't remember bumping on anything. What can be the cause of this bruise?

I got a unknown bruise on my left arm that hurts alittle but I don't remember bumping on anything. What can be the cause of this bruise?

Didn't notice bump: Do you take Aspirin on a regular basis? That often contributes to bruising, as it disables the platelets that enable blood to clot when blood vessels are disrupted after hitting something inadvertently, as when we bruise. Bruising occasionally and not remembering when we might have bumped the area of the bruise is not an unusual occurrence. If you continue to bruise frequently, see your doctor. ...Read more

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What would cause perfectly round dark bruises to appear on my left arm only? Everyday new bruises going on for a few months. And no im not clumbsy

What would cause perfectly round dark bruises to appear on my left arm only? Everyday new bruises going on for a few months. And no im not clumbsy

See your doctor: Bruising without trauma is a concern for underlying problems with the body's blood clotting mechanisms. However, I would expect the bruises to appear in other places. Please see your doctor for evaluation ...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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26 yr old female has swelling in left arm. First time it's happened, she don't remember hitting it on anything. It's cool to touch and no bruising.

26 yr old female has swelling in left arm. First time it's happened, she don't remember hitting it on anything. It's cool to touch and no bruising.

Bite Reaction?: Perhaps it is just trauma, but if it continues to get worse after ice and elevation for 48 hours, I would consider going to urgent care. Typically infections will have warmth, but insect or spider bites can lead to swelling. Also taking an antihistamine like Zyrtec (cetirizine) can help. ...Read more

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I noticed a bruise on my left arm and I'm not sure where it came from. It also has several small red spots on it. Is this normal or cause for concern?

I noticed a bruise on my left arm and I'm not sure where it came from. It also has several small red spots on it. Is this normal or cause for concern?

Ecchymosis: Ecchymosis or "bruising" is a small soft tissue bleed usually as a result of trauma. Small red spots are sometimes identified as petechia, which is a hemorrhage of small blood vessels. Sometimes these findings can be indicative of disease, in other cases they are normal. ...Read more

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I have a bruise on my left arm from an IV. It's grown and I have noticed increasing pain in my shoulder and daily headaches since the day I had the IV

I have a bruise on my left arm from an IV. It's grown and I have noticed increasing pain in my shoulder and daily headaches since the day I had the IV

Not related: It's not unusual to have some blood leak from the vein after an IV is discontinued. It would be very unusual for your shoulder pain or headache to be related to the bruise, and I suspect they are unrelated. Consult your physician if your symptoms persist or worsen. ...Read more

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I have a bruise on my left arm close to the armpit this is the only bruise I have but it keeps coming back it fades then a few days later it is back i?

I have a bruise on my left arm close to the armpit this is the only bruise I have but it keeps coming back it fades then a few days later it is back i?

Bruise: Recommend seeing your primary care doctor to run complete blood work to determine cause of recurrent bruising, whether related to blood or medications or local lesion, etc. ...Read more

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Inner arm pain in the left arm 2 in above inside elbow. Usually only hurts on movement an feels like a bad bruise deep inside when I do move. Causes?

Inner arm pain in the left arm 2 in above inside elbow. Usually only hurts on movement an feels like a bad bruise deep inside when I do move. Causes?

Epicondylitis: You may have a condition called medial epicondylitis also known as golfers elbow. This is similar to tennis elbow but occurs on the inside if the elbow. It usually is painful with movement and can sometimes be painful with wrist motion. Contrary to its name it often has nothing to do with golf. If it's associated with numbness and tingling you may also have irritation of the ulnar nerve. ...Read more

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I have a dark circular bruise on my left arm and my whole upper arm is sore after an injection, is this normal?

I have a dark circular bruise on my left arm and my whole upper arm is sore after an injection, is this normal?

Can happen: Dark circular bruise is most likely due to small amount of blood that seeps under the skin after the injection;normally your entire arm should not be swollen or sore, but on occasion it does happen, sometimes cellulitis of the site of injection can occur, contact your doctor for further evaluation. ...Read more

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Is it possibly a blood clot? My girlfriend had a bruise that seemingly appeared spontaneously on the inside of her left arm, near the elbow, a little over a week ago. The bruise has faded, but the knot that was under the bruise --fairly large and hard-- I

Is it possibly a blood clot? My girlfriend had a bruise that seemingly appeared spontaneously on the inside of her left arm, near the elbow, a little over a week ago. The bruise has faded, but the knot that was under the bruise --fairly large and hard-- I

Hello.: Hello. I can't diagnose her symptoms. However, she may have had trauma to her arm. There are nerves that traverse the elbow, even if the external bruising is fading, there may be a hematoma (like a big clot of blood) that is putting pressure on one of her nerves. Or there could be swelling. The nerves are less well protected where they dive in or out of muscle. The pressure on nerve could be leading to numbness. I see you have this tagged for cardiology. This is usually not the same type of scenario as a deep venous thrombosis that may be throwing clots to the lungs. It sounds like that the numbness is intermittent. I would suggest that if there is a position that seems to alleviate the numbness that she place her arm in that position. I will change tag to orthopedic surgery, so that one of the orthopods might answer it. I don't see a need for an emergency evaluation, but lets see if any orthopods answer. ...Read more

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I have a spot under left arm/beside left shoulder blade that is very tender to the touch. Feels bruised, but there's no bruise?

I have a spot under left arm/beside left shoulder blade that is very tender to the touch. Feels bruised, but there's no bruise?

Get examined: This could be a muscle spasm or a rib contusion or any of a number of things. Best thing to do if it doesn't go away is to see your gp physician and get examined/xrayed. Good luck! ...Read more

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I had a bruise on back of my left arm for a few weeks that has a small lump, what is causing my ring and pinky fingers to tingle?

I had a bruise on back of my left arm for a few weeks that has a small lump, what is causing my ring and pinky fingers to tingle?

Little and ring: Finger tingling associated with something on the arm especially the posterior and or medial side may indicate irritation to the ulnar nerve. This should be evaluated. ...Read more

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I have a bruise that showed for no obviouse reason on left arm! I also have a history of CHF and vessel spasms. Could there be connectivity?

I have a bruise that showed for no obviouse reason on left arm! I also have a history of CHF and vessel spasms. Could there be connectivity?

No: Unless you are on an anti-coagulant or for some people on aspirin. If the bruises occur repeatedly on various parts of the body, ask your doctor to check you for a bleeding problem. In the meanwhile, avoid aspirin and fish oil. Prolonged sun exposure can damage the skin enough to cause easy bruising but unless you are exposed to the sun most of the day, you are too young to have this problem. ...Read more

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I have a bruise and tender spot on my left arm that I don't know how it got there. There is tenderness to the touch further down on my arm as well?

I have a bruise and tender spot on my left arm that I don't know how it got there. There is tenderness to the touch further down on my arm as well?

Bruise: Is your symptom getting worse or improving since you have noticed it? If your symptoms are improving, no reduced range of movement then I woukd not worry. Otherwise see doc. ...Read more

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Bruise comes and goes, same spot for 6 mo. Now on left arm. Had CBC, platelet, clotting test, cardiac workup, normal. Do not take aspirin. Thoughts?

Bruise comes and goes, same spot for 6 mo. Now on left arm. Had CBC, platelet, clotting test, cardiac workup, normal. Do not take aspirin. Thoughts?

Trauma: Brusises result from a local area of trauma to the skin. When taking anticoagulants or if clotting mechanisms are off, they help with extent of bruising but do not initiate the process. If the bruise is in the same site look for what might cause the problem like pressure against the site when sleeping or sitting at the computer. ...Read more

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My left arm is so achy?

My left arm is so achy?

Some time you may: Use it as pillow without knowing at night that to little pressure on the nerve and cause to be achy, hopefully it will go away. Thanks. ...Read more

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Why do I feel pain on my left arm?

Why do I feel pain on my left arm?

Need many more facts: There are way too many possible reasons to go into now. Clearly more history is needed. Ideally a doctor would want to perform a history and physical exam before making a diagnosis. ...Read more

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Presistant pain in top half of left arm?

Presistant pain in top half of left arm?

Persistent arm pain: If there is no history of trauma (ie a fall or twisting injury) then persistent single sided arm pain could have several causes. Is the pain worse at night? Worse on movement or at rest?

There could be many different causes but without a proper examination and a history taken it is difficult to give you a proper answer.

I agree with the other answers to seek advice from a doctor. ...Read more

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Bumps on left arm only, why?

Bumps on left arm only, why?

Not sure: There are a # of possible causes. The best way to get an accurate diagnosis would be dermatological evaluation. ...Read more

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I have a jumping in my left arm?

I have a jumping in my left arm?

Muscle twitching: The cause of the involuntary fasiculations are many. If you have been working out or using your arms a lot, the muscles may be tired. How much caffeine have you had? Are you on medications? Are you dehydrated? Try massaging the area and applying a warm compress. Drink more water. Eat plenty of fruits and vegetables to avoid a nutritional deficiency. Go see your doctor if the twitching continues ...Read more

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My left arm is hurting really bad?

See details: Then see a doctor and have it evaluated. You offer no specifics about the pain so no one can give you a specific answer. ...Read more

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Why am I always having left arm pain?

Many Possibilities: Although you are young, we can't forget that left arm pain can be referred from other places such as the heart, cervical spine, etc. There certainly are many other possibilities such as referred shoulder pain, but if you haven't seen a physician I would recommend starting with your regular doctor first to narrow the possibilities. ...Read more

Dr. Melissa Gowans
2,095 Doctors shared insights

Bruising (Definition)

Bruising = a contusion with ...Read more