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What can be the reason of long lasting hematomas (more than 9 months) from intramuscular injections (B12)?
A scalp hematoma is a condition in which there has been bleeding between the scalp and the skull, and the blood is trapped under the scalp, forming a blood-filled bulge. Scalp hematomas usually resolve without treatment. They are more common in babies who needed vacuum-assisted deliveries, because vacuum on a baby's scalp can cause ...Read more
Location, location..: A hematoma is simply blood which has collected outside of a blood vessel, no different than a "black-and-blue" mark. The critical issue is where this collection is. If it's sitting under the skin, it is of no concern. If it's between the skull and the brain, it can create pressure on the brain and be life-threatening. ...Read moreSee 1 more doctor answer
Sometimes.: I give blood 3-4 times a year and will get a quarter to half dollar sized bruise once a year. Why? Shifting in the needle or a tricky stick can do it. Post procedure elevation and pressure will decrease the possibility. If you are easily bruised on your body, bleeding gums or blood in your urine or stool ... See your doctor. The fact that you can give blood is a good indicator that all is well. ...Read more
?Where: Most hematomas spontaneously resolve in time (gone within 3-5 weeks). On a rare occasion some hematomas are walled off and may need surgical removal. (hematomas in different areas, for example a more serious sdh (sub dural hematoma) needs to be cared for emergently as it can cause pressure on the brain, etc.) hope that helps answer your question. ...Read more
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