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Doctor insights on: Spider Bites That Look Like Bruises

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I have a small bump on the inner side of my knee cap. It hurts when i walk and kneel down. No idea what it is from. What is it thought it was a spider bite a few months back. Then it looked like a bruise and now is a bump a little smaller than a dime.

Yes, : Yes, please have it looked at. It sounds like it is a post-infectious swollen area. As it is persistent and you have pain, you need to be evaluated. If you have increased redness, pain, fever, or discharge, then you will need to be seen in the emergency room. ...Read more

Bruise (Definition)

Bruises, or ecchymoses, are a discoloration and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the tissues. Pupura refers to bruising as the result of a disease condition. A very small bruise is called a petechia. These often appear as many tiny red dots clustered together, and could ...Read more

Dr. William Forsythe
Board Certified, Emergency Medicine
21 years in practice
169.0K people helped
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Dr. William Forsythe
Board Certified, Emergency Medicine
21 years in practice
169.0K people helped
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Treating Bruises (Checklist)

Wear protective gear whenever needed, to prevent new bruises.
Daily
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4Months ago had sudden large blister-went to doc-said probably a spider bite-he cut open blister-but area still red/dark like a bruise &hard in center?

4Months ago had sudden large blister-went to doc-said probably a spider bite-he cut open blister-but area still red/dark like a bruise &hard in center?

4 months or 9???: See a dermatologist for a better diagnosis and treatment determined by this. Did you see and feel a spider attack you? Did you take the spider for identification? If not, assume it was NEVER A SPIDER BITE. The brown recluse spider is not normally present where you live. ...Read more

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*9 MONTHS AGO-had large blister-went to doc-said probably a spider bite-cut open blister-area STILL HAS NOT HEALED-Red/dark like bruise-hard in center?

*9 MONTHS AGO-had large blister-went to doc-said probably a spider bite-cut open blister-area STILL HAS NOT HEALED-Red/dark like bruise-hard in center?

See a dermatologist: Do not fool around with amateurs any more. See a skin specialist. ps---- there are no venomous spiders where you live. ...Read more

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Treating Bruises (Checklist)

Ice pack to area asap after injury
30 min, once for 1 days
Dont be frighten of color changes (bleeding can be deep in fat tissue
once
If many bruises with no injuries, see your MD for blood tests
once
Board Certified, Emergency Medicine
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There's a bump, bruise,&2 bite marks close together, it's very itchy. is it a spider bite?? and if so, what spider could've bit me? Please help me:(

There's a bump, bruise,&2 bite marks close together, it's very itchy. is it a spider bite?? and if so, what spider could've bit me? Please help me:(

Not spider: Spider bites are rare and are quite different from your description. There are no spiders capable of venomous attack in NY state with rare exceptions. When a spider attacks it is immediately apparent. Unless you saw and felt the bite it was not a spider. ...Read more

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Treating Bruises (Checklist)

Avoid recurrent trauma to area
once
Use ice to reduce inflammation
20 min, 4x day for 3 days
NSAIDs for moderate pain
every 6 hours
Light massage after 3 days of ice therapy
once
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Spider bite on inside rt ankle bone swelled from heel to Achilles now is slight bruising next to bite no sign of infect maybe bruised bc of work boot?

Maybe, but...: go see your physician. Brown recluse spider bites, for example, can progress greatly, It's even more important if you're diabetic or have some additional medical issues. So, be safe: get examined if you have a spider bite. There are times when you need to have the area removed, drained, or treated with antibiotics. ...Read more

Dr. Melissa Gowans
1,158 doctors shared insights

Ecchymoses (Definition)

Ecchymoses is also known as Bruise. Ecchymoses are bruises. Bruises are purple or red collections of blood under the skin that appear after blood vessels in the skin break, causing the blood to spread through the tissues ...Read more

Dr. Lori Semel
1,739 doctors shared insights

Bruising (Definition)

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

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Dr. William Forsythe
Board Certified, Emergency Medicine
21 years in practice
169.0K people helped
Continue
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