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Doctor insights on: Urticaria From Infections

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Dr. Thomas Fiala
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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Are hives caused by staph infection?

Are hives caused by staph infection?

No: Mrsa abscesses can look a little like hives but often contain pus , are painful, can be very large, and usually only a small number are present. Hives usually follow exposure to antibiotics(sometimes the cause is in not known) or certain foods such as strawberries, are usually multiple small raised very itchy spots and tend to be multiple. As always, see your doctor for any serious illness ...Read more

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Molecular mimicry is a possible cause of some forms of autoimmunity due to bacterial infection..Do fungal/viral infections ever cause autoimmunity?

Molecular mimicry is a possible cause of some forms of autoimmunity due to bacterial infection..Do fungal/viral infections ever cause autoimmunity?

Molecular mimicry: Why yes viral infections certainly do display molecular mimicry. Most commonly are the herpesvirus family (herpes simplex, varicella, cmv, ebv...16 in all). That is why these viruses remain latent within us and if the immune system is disrupted by acquired immunodeficiencies (age, chemotherapy, HIV or other viral infections) these viruses then reactivate. ...Read more

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Can a chronic urticaria causes lung spots?

Can a chronic urticaria causes lung spots?

Hives that warn: Not the urticaria, but occasionally urticaria can be associated with conditions that can show chest x-ray changes such as infection, hodgkin's lymphoma, and other cancers. You need to pursue this immediately! ...Read more

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Fly and mosquito allergies: can the bites from them cause fevers?

Fly and mosquito allergies: can the bites from them cause fevers?

Insect bite allergy: Insect bite allergy does not cause fever. However insects can act as vector to carry different pathogens and can transmit those when it bite you. Several diseases can be caused by insect bite can make you have a fever e.g. Dengue fever, malaria, west nile encephalitis... Fly can carry bacteria and cause diarrhea. ...Read more

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Are the diarrhea coming from infections contagious?

Are the diarrhea coming from infections contagious?

Infectious diarrhea: Infectious diarrhea can be due to various species of viruses, bacteria or parasites. They can be contagious, some more so than others. If someone has diarrhea due to a viral infection, you could catch it by the infected person sneezing on you (via nasal secretions, resporatory droplets, etc). Proper hand washing is critical. ...Read more

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Is pruritus (body) a common allergy symptom? are allergy induced pruritus alleviated with anti histamines? how different from miliara rubra?

Is pruritus (body) a common allergy symptom? are allergy induced pruritus alleviated with anti histamines? how different from miliara rubra?

Yes: Allergy is usually associated with itching at the affected organ but most itching are not caused by allergies. Dry skin is by far the most common cause for itching without a skin rash. If the itching is caused by allergies (but not contact allergy), antihistamine in sufficient doses would work. In contact allergy involving the skin, topical cortisone works far better. ...Read more

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Hi,I suffer from urethritis.is this diease linked to hiv? or aids.I also have a internal genital cyst.what bacteria or viruses cause this?.

Hi,I suffer from urethritis.is this diease linked to hiv? or aids.I also have a internal genital cyst.what bacteria or viruses cause this?.

Urethritis: We often never find the cause; even eating those little hot peppers can cause this. Chlamydia can do this in ever sex. It's not really HIV-related but it's wise to be checked for HIV yearly in any case. Best wishes. ...Read more

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Can chronic dehydration cause chronic hives (physical urticaria) since water directly affects histamine production in the blood? Rehydration cure it?

Can chronic dehydration cause chronic hives (physical urticaria) since water directly affects histamine production in the blood? Rehydration cure it?

No.: dehydration is not a standard cause of hives. Of course it certainly is easy enough to find out. Frankly, NEURODERMATITIS https://www.aad.org/dermatology-a-to-z/diseases-and-treatments/m---p/neurodermatitis/who-gets-causes is more common than association with dehydration. ...Read more

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Can staph infection cause hives?

Possibly: States of immune activation, such as infections, can lead to hives. Typically, we see viral infections in children lead to short-lived hives. However, there is evidence that people with hives have a higher incidence of colonization with staph (bacteria living on the skin but not causing infection). It's not clear how or why this occurs, but there does seem to be a link. ...Read more

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What are the symptoms and mucus appearance due to fungal lung infection (vs. Bacterial or viral)? How are fungal lung infections diagnosed?

What are the symptoms and mucus appearance due to fungal lung infection (vs. Bacterial or viral)?  How are fungal lung infections diagnosed?

Diagnosis: Mucus appearance does not give us diagnosis nor really give us a clue as to type of most of the time even the presence of infection. Lung infections with fungi are diagnosed when a person who had been to an area endemic for a fungus presents with symptoms, cxr taken, some clues are seen, and either a titer (blood reaction) or sputum by expectoration or fob, stains positive and grows the fungus. ...Read more

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Can women suffering from galactorrhea cause HIV or some kind of bacterial or fungal infection in adults from sucking those breast?

Can women suffering from galactorrhea cause HIV or some kind of bacterial or fungal infection in adults from sucking those breast?

No: An adult sucking a breast with galactorrhea will not cause HIV in either party. Your profile states unprotected sex, if the sex is with multiple partners, that is a greater risk of catching HIV or other sexually transmitted infection. ...Read more

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Can there be permanent scarring from tinea versicolor from sun exposure?

Can there be permanent scarring from tinea versicolor from sun exposure?

No: Tinea versicolor is a common rash due to the bug, malalezzia furfur. It is a form of fungus that sits on the top layer of skin, the stratum corneum. It can either darken or lighten the skin involved particularly when exposed to sun. After it is treated effectively, the discoloration fades away. The problem is usually frequent recurrences! try shampooing and lathering your body with selsun blue! ...Read more

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What are the symptoms of Chronic Fungal Infection in ear.Does it differ from acute infection?

What are the symptoms of Chronic Fungal Infection in ear.Does it differ from acute infection?

See a dermatologist: Common reasons for recurrent/ persistent itch, flaking, redness in external ear include allergy to neomycin in ear drops, use of irritant such as peroxide, seborrheic dermatitis, atopic dermatitis. Chronic fungus infection is very unlikely. ...Read more

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What bacterial or viral infections can be caused by seasonal changes?

What bacterial or viral infections can be caused by seasonal changes?

None: There is no good evidence that the change in season itself is causative of infection. ...Read more

Dr. Eric Weisman
3 doctors shared insights

Hives (Definition)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more