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Doctor insights on: Spider Bite Feels Like Bruise

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A spider bite with a bruise, dangerous?

A spider bite with a bruise, dangerous?

It isn't that: Uncommon to have bruising around a spider bit. In ; of it's self it is not of great concern. Seek medical care asap if you think a spider bit you ; you have severe pain (can be felt at bite site ; possibly chest, back or abdomen); abdominal cramping /rigidness or ulceration of skin at site. You may need a tetanus shot (if you don't know when your last shot was or it has been > 10 years). ...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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What kind of spider bite leaves a bruise?

What kind of spider bite leaves a bruise?

From what I have: Read this is not limited to one species. Seek medical care asap if you think a spider bit you ; you have severe pain (can be felt at bite site ; possibly chest, back or abdomen); abdominal cramping /rigidness or ulceration of skin at site. You may need a tetanus shot (if you don't know when your last shot was or it has been > 10 years). Also medical care if you develop signs of secondary infection. ...Read more

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If a spider bite looks bruised what kind of spider is it?

If a spider bite looks bruised what kind of spider is it?

Can't tell you from: This info alone. Spider bites can have variable appearances. It might cause a pink or red bump with no symptoms. Or it could itch or be painful. Venomous spiders may cause significant pain radiating far from the site, cramping, sweating, necrosis of tissue or worse if there is an allergic reaction. Seek medical care asap if you think a spider bit you ; you have fever, severe pain (can be felt at. ...Read more

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What kind of spider bite leaves skin bruised?

That can occur with: A number of types of insect and spider bites - it is not specific enough as a single factor to determine the offending spider/ insect. ...Read more

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This morning I noticed 2 purple spider bites with a tiny bruise and very small red bump. There has been no pain and I feel fine, it is now 11:00 pm.

This morning I noticed 2 purple spider bites with a tiny bruise and very small red bump. There has been no pain and I feel fine, it is now 11:00 pm.

Spider bites?: Unless you saw the spiders in the act - these lesions may not be from spider bites. Not sure what your question is. If you are worried - would show these lesions to your parents. However, if you remain symptom free- would not fret. ...Read more

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Can a spider bite on my toe bruise?

Yes: Some spider bites are painful and can be dangerous. In many parts of america the brown recluse (fiddle back) and black widow spiders are found. Both can give a nasty bite. I have seen many brown recluse bites that look bruised to the patient but the tissues are much worse off that just bruised. Spider bites can cause the tissue to break down and even large areas of skin and muscle can be lost. ...Read more

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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: (

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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I have had a spider bite for 3 weeks one week ago went to er they gave me decoxicylyn. I still have a bruise the size of a half dollar n a lil bump?

I have had a spider bite for 3 weeks one week ago went to er they gave me decoxicylyn. I still have a bruise the size of a half dollar n a lil bump?

Resolving infection: When did you start Doxycycline and how many days ago did you take it? You may have had a skin infection such as MRSA. There could be residual infection. Elevate, warm compresses and see your physician for consideration for other antibiotic or treatment. ...Read more

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Blisters swelling looks bruised. Could it be a spider bite?

Blisters swelling looks bruised. Could it be a spider bite?

Very unlikely: There are no spiders in maine capable of biting humans. See a dermatologist if you need a specific definition of this. ...Read more

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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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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.

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

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Bug bite on leg was itchy, grew and is now a round purple bruise on my leg - assuming it is a spider bite but do I need to treat or will it go away?

Bug bite on leg was itchy, grew and is now a round purple bruise on my leg - assuming it is a spider bite but do I need to treat or will it go away?

Get checked: May be just as you suspect, but maybe not. Best to get it checked by your MD or Dermatologist. Good Luck. ...Read more

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I read your answer about a small white bump on a real spider bite being an entry site for the venom. Do you know what type of spider this could be? I have the bite and had fevery and nausea last night and black bruise looking/now purple underneath. I've al

Where do you live?: Brown recluse spiders are found in central and southwest states. Their bites are quite rare, usually painful, forming ulcers. Unless you saw the spider, felt the bite, and took the spider to an expert, assume it is something else. Black widow bites are even more rare. See a DR to find out what you have instead of spider bite. ...Read more

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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?

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

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Other than a spider bite, what leaves deep, tender, hard to heal, tough scab, that takes weeks/months to heal?

Other than a spider bite, what leaves deep, tender, hard to heal, tough scab, that takes weeks/months to heal?

Non healing ulcer: Non healing ulcer may be from certain specific skin conditions, underlying diabetes, poor circulation and underlying skin cancer and many more. These are some common things to think of first in the differential. ...Read more

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4 months ago I thought my spider bite was a huge zit and tried to pop it. Now there are small marks that are tender to touch. How serious is this?

Likely not serious.: Since the length of time is approximately 4 months, you are dealing with a more chronic issue. If you were having acute tenderness, this could be urgent. I would still see a physician--who wants to live with unnecessary pain? However, I would not consider this a serious medical emergency. ...Read more

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May this be a brown recluse spider bite. Started out looking like a boil then it went down. The place then got real red, painfull and puss came out now it is red swollen and looks and feels like the tissue around it is kinda ruff and tender at the same t

May this be a brown recluse spider bite. Started out looking like a boil then it went down. The place then got real red, painfull and puss came out now it is red swollen and looks and feels like the tissue around it is kinda ruff and tender at the same t

I: I can't diagnose your lesion. You indicated that you thought you saw a fang puncture mark. The brown recluse is actually quite small. It can be a quarter of an inch to a little over half an inch, so I am not sure that it would leave an obvious fang mark. I was bitten by a brown recluse about 3 decades ago. The bite was painless. A black eschar (scab) quickly formed and the skin around it was white and died quickly. My arm became markedly swollen, hot and red and I developed a high fever and muscular skeletal aches throughout my body. I lost a lot of tissue (skin and deeper tissue) from the site. It took over a week to get rid of my generalized symptoms and several months for my arm to heal in the area that I was bitten. I became quite ill from it.
Luckily, most people do not have this severe a reaction. Brown recluse bites can cause minor reactions or they can in rare cases be deadly. Hemotoxic venom is injected when they bite. In one study, over a third of bites led to necrosis (destruction) of the skin surrounding it. A systemic illness occurred in about 14 % of cases. However, the majority of people have no significant reaction to their bite.
I don't know if you have a boil or if it is a venoous bite or sting. Spider bites sometimes leave a black scab in the center (called an eschar) and there may lighter, or sloughing skin around that. If you develop fever, vomiting or a significant amount of skin is sloughing, the area of redness is continuing to grow larger and painful it would be appropriate to have it checked out by a medical provider.
Take care. I hope it heals quickly. ...Read more

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I have a large painful bump on my outer right thigh. It feels tender and warm. I am unsure whether it's a boil or pimple or spider bite.

I have a large painful bump on my outer right thigh. It feels tender and warm. I am unsure whether it's a boil or pimple or spider bite.

See a doctor: Regrdless what it is you need to see a doctor in casr it needs drainage or debridment and of course you are going to need oral antbiotic
so go and see your doctor ...Read more

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I have a painful spider bite that is bruising red and swollen with an oozing blister what should I do? A doctor at an urgent care prescribed me antibiotics but I can't tell if they are working

I have a painful spider bite that is bruising red and swollen with an oozing blister what should I do? A doctor at an urgent care prescribed me antibiotics but I can't tell if they are working

May need drainage: "spider bites" aren't usually spider bites. These days they're more often MRSA abscesses (boils). Antibiotics won't help treat an abscess unless you catch it very early; boils usually need to be drained. ...Read more

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My nephew has a spider bite on his left lower leg. It is red, swollen and tender. I'm a nurse and have some antibiotics-Is Septra (sulfamethoxazole and trimethoprim) or Keflex better?

My nephew has a spider bite on his left lower leg. It is red, swollen and tender. I'm a nurse and have some antibiotics-Is Septra (sulfamethoxazole and trimethoprim) or Keflex better?

NEITHER!!!!!!: Spider bites are RARE. He probably has something else. NO ANTIBIOTIC IS OF ANY USE FOR REACTIONS TO SPIDER VENOM!!! Unless he saw and felt the attack, then took the spider for identification, assume it is something else. Brown recluse and black widow spiders in USA are found almost exclusively in the southwest quadrant. Where are you? Ordinary spiders are completely harmless. ...Read more

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What does a spider bite first like?

What does a spider bite first like?

A pink or red dot.: Spider bites can have variable appearances. It might cause a pink or red bump with no symptoms. Or it could itch or be painful. Venomous spiders may cause significant pain radiating far from the site, cramping, sweating, necrosis of tissue or worse if there is an allergic reaction. ...Read more

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I would like help on my spider bite?

Please let us know: Specifically how we can help you. You can clarify ; re-ask question. ...Read more

Dr. Melissa Gowans
2,101 Doctors shared insights

Bruising (Definition)

Bruising = a contusion with ...Read more