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Doctor insights on: Sore Armpits With Blisters Show Pictures

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Have a sore by my armpit and I'm not sure what it is. Hurts all around it scab in the middle looks like a peeled blister on the outside and is growing?

Have a sore by my armpit and I'm not sure what it is. Hurts all around it scab in the middle looks like a peeled blister on the outside and is growing?

Abscess or infection: Sounds like an infection that needs treatment. Lymph node is a possibility. Problems like this should be seen and evaluated. ...Read more

Dr. Philip Miller
1,737 Doctors shared insights

Blistering (Definition)

A blister is a collection of fluid under the epidermis. A blistering rash is one in which ...Read more


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Have rash in armpit and down side that looks like sores. Had white pus filled blister in armpit today that popped and is now sore. What could this be?

Have rash in armpit and down side that looks like sores. Had white pus filled blister in armpit today that popped and is now sore. What could this be?

Infection: This is an infectious problem. There a specific infections we see in the axilla, it can also be another condition called hidradenitis supprativa. You will need to see a dermatologist and get the diagnoses clarified.

...Read more

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I have a small cluster of bumps on the underside of my arm. They look like tiny blisters. It started with that area being sore with no redness or bumps. That was 2 days ago. Now I woke up with this cluster that has redness surrounding it and a mild case o

I have a small cluster of bumps on the underside of my arm. They look like tiny blisters. It started with that area being sore with no redness or bumps. That was 2 days ago. Now I woke up with this cluster that has redness surrounding it and a mild case o

Underarm Bumps: Bumps with blisters, that are worsening (i.e. getting red, or spreading) sound like something that should be looked at in person by your primary care doctor. Likely there is something that can be prescribed to help resolve this fairly quickly! ...Read more

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Woke up with painful small blister on arm. Red around blister, mild pain/discomfort, arm sore/aches. What could cause this?? How to treat blister?

Woke up with painful small blister on arm. Red around blister, mild pain/discomfort, arm sore/aches. What could cause this?? How to treat blister?

Have physician exam: Without seeing it, it requires some speculation. A blister can arise from a burn. Raised similar appearing lesions may arise from contact dermatitis, an insect bite or a skin infection. Your description of redness in the skin surround the 'blister' with tenderness are signs of infection. What you are seeing could be an abscess, spreading to further involve the soft tissue around it. See you doctor ...Read more

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Possible spider bite? Blister on arm, area is red around the blister, arm is sore, mild discomfort. Maybe hobo spider? Go 2 ER now to reduce damage?

Probably not: There are hobo spiders in WA. If they ever bite at all, the result is much less severe than brown recluse. Expert opinion differs as to the existence of any bites by hobos. They are very reluctant to attack. Unless you saw and felt a bite, then took the creature for expert identification, assume it is something else. Best bet is a dermatologist. ...Read more

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Red itchy bumps, blisters, & rashes are growing all over my right arm, neck, face, chest, and abdomen. Sore throat occurred as well. What's happening?

Red itchy bumps, blisters, & rashes are growing all over my right arm, neck, face, chest, and abdomen. Sore throat occurred as well. What's happening?

Chicken pox?: Have you ever had chicken pox or been immunized against it? If not it sounds suspicious. Of course, without seeing a picture or the rash itself any diagnosis is speculative. In any case consult with your physician. ...Read more

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Does Oral Herpes blisters show up in the armpits?

Does Oral Herpes blisters show up in the armpits?

It's possible: HSV can occur anywhere on the skin and in the oral cavity.
While it's possible for HSV to cause a blister in the armpit (axilla) it is less common. Tissue from scrapings of the lesion can be tested for HSV by immunofluorescense staining or PCR DNA testing. ...Read more

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Got a flu show yesterday. This morning I woke up with a sore swollen lymph node under my armpit. Is this from the shot, or should I be concerned?

Got a flu show yesterday. This morning I woke up with a sore swollen lymph node under my armpit. Is this from the shot, or should I be concerned?

Possible: Could be from the flu shot, if the site of the shot is red and swollen beyond a silver dollar, I would be concerned about a possible infection. Try to ice the arm and if no better in a day, see a doctor. ...Read more

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I had these small blisters in one spot on my arm show up yesterday out of know where and they itch. Could it be eczema or is it something else?

I had these small blisters in one spot on my arm show up yesterday out of know where and they itch. Could it be eczema or is it something else?

Hard to tell: Just a cluster of blisters can be caused by many things including insect bites. If there is pus present, try topical hydrocortisone cream to see if it helps. If the problem gets much worse or fails to improve in a few days, contact your doctor. ...Read more

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Right side sore muscule spasms. Cannot move arm well. X rays show nothin. Cortizone (hydrocortisone) shot did not help. Very painful?

Right side sore muscule spasms. Cannot move arm well. X rays show nothin. Cortizone (hydrocortisone) shot did not help. Very painful?

Kind of confusing: Not sure where your spasm are or where we injected cortisone. Might be able to answer better with more info. ...Read more

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I have chronic pain in my left lower leg and knee. I also have a very sore shoulder on the right side, and movement of my arm is limited. X rays of the knee and shoulder shows no abnormalities. Do I need to see Specialist?

I have chronic pain in my left lower leg and knee. I also have a very sore shoulder on the right side, and movement of my arm is limited. X rays of the knee and shoulder shows no abnormalities. Do I need to see Specialist?

Maybe: One possible more common cause of shoulder pain and limited movement is rotator cuff injury. This usually will not show up on plain x-rays. It can often be a chronic nagging type injury and you may want to see an orthopedic specialist. The knee pain may be some form of arthritis though not enough info for me as you mention lower leg pain as well. Again, an orthopedic surgeon may be of help. ...Read more

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Dizziness, lightheaded, nausea, extreme weakness, muscle ache, painful lympnode at right side of neck, armpit, groin, no fever, skin rash, tongue blister?

Dizziness, lightheaded, nausea, extreme weakness, muscle ache, painful lympnode at right side of neck, armpit, groin, no fever, skin rash, tongue blister?

Physical exam: Is warranted. The symptoms you have described are serious medical conditions and need to be addressed by your primary care physician. See your PCP for evaluation, tests and imaging. Good luck. ...Read more

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Little sore lump under armpit?

Little sore lump under armpit?

Hidradenitis suppra: Maybe this is not the first time you get it. Sounds like hidradenitis supprativa, which is a form of acne, involving hair follicles, sebaceous glands, and sweat glands. It often enlarges, breaks open and drains pus. Scarring may result. you may need antibiotics, anti-inflammatory medicines and sometimes surgical incision and drainage. Losing weight and wearing loose clothing can help. ...Read more

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I have a sore lump under my armpit?

Lymph node: More than likely you have an acute infection somewhere on the upper extremity that is seeding a lymph node in your arm pit. The lymph node filters the bacteria, virus or fungus and then reacts as "killer cells" come to attack the agent. The lymph node responds by growing, producing more cells, and can get tender due to the agents and chemicals released. You may need antibiotics or see pcp. ...Read more

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What is the sore lump in my armpit?

Infected.: Possible sweat gland infection. Use alcohol to clean, if not better or growing, needs evaluation. ...Read more

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What could cause a blistering armpit rash?

What could cause a blistering armpit rash?

Allergic reaction: Personal care items like deodorants or body creams can some times cause allergic reactions with blistering. If it is only on one side and painful consider a viral infection. ...Read more

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Is a cold sore infectious if it doesn't blister?

Is a cold sore infectious if it doesn't blister?

Yes: A cold sore is infectious in all phases but is most infectious when a scab breaks open & fluid with virus weeps from it. ...Read more

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How to tell if you have a sun blister vs cold sore?

Cold sore: Not sure. Fever blister is another name for a cold sore. Sun exposure can trigger cold sores. ...Read more

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Are fibrous lumps under the armpit supposed to be sore?

Are fibrous lumps under the armpit supposed to be sore?

Have it checked out: They should not be sore. You should have these lumps which are likely lymph nodes evaluated. This could be a reflection of an infection. Another cause of lymph node swelling and soreness is lymphoma-a type of cancer of the white blood cells that is localized in the lymph nodes. You should have it evaluated. ...Read more

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Had chigger bites 4-days blisters won't go away. Very sore?

Had chigger bites 4-days blisters won't go away. Very sore?

1 to 2 weeks to heal: Agree w dr. Kwok. Chigger bites usually heal on their own within one to two weeks. In the meantime, control itching with an over-the-counter anti-itch cream, such as Hydrocortisone cream. Consult your doctor if your skin appears infected or if the bites seem to be spreading to other parts of your body. ...Read more

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I'm having a sore lump in my armpit. Should I be concerned?

I'm having a sore lump in my armpit. Should I be concerned?

Yes: Sore lump in armpit could be a gland, abscess. These would indicate infection or inflammation somewhere in arm or breast or chest. Please see your doctor. ...Read more

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I have a sore itchy nodule under my armpit what could it be?

I have a sore itchy nodule under my armpit what could it be?

Armpit nodule: Sore itchy nodule can be infection like hiradenitis, folliculitis or carbuncle. The other thing can be lymphoma. Please see your doctor for examination and treatment. Thanks. ...Read more