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Doctor insights on: Can Allergies Make Your Skin Go Patchy Looking With Dark And Light Parts

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Can allergies make your skin go patchy looking with dark and light parts?

Can allergies make your skin go patchy looking with dark and light parts?

Yes: Chronic or severe rashes can change skin color and leave dark and lighter areas. This colr change is difficult to completely resolve. The lighter areas can be repigmented with narrow band uvb or excimer laser. The darker areas can be treated with topical medications to slowly lighten the areas. ...Read more

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Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Went in sun, my skin immediately began turning red/blotchy on exposed parts like legs/stomach. Sensitivity due to my pale skin or allergy?

Went in sun, my skin immediately began turning red/blotchy on exposed parts like legs/stomach. Sensitivity due to my pale skin or allergy?

Pale skin: If you have a sun sensitivity, you would have blisters or burns. If you have a sun allergy , itching should be present . Does this happen without or with sunscreen? ...Read more

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What's the solution for a dark patch over the skin due to a tablet allergy?

What's the solution for a dark patch over the skin due to a tablet allergy?

More info?: I'm not sure I completely understand what you are referring to. If you ingested a tablet and developed a dark patch of skin that has persisted since stopping this medication then it is unlikely related to the tablet you ingested. Hyperpigmented lesions on skin can be due to a number of causes: eczema, dry skin, scarring, etc. Try topical steroid cream to area and/or topical moisturizer. ...Read more

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Dark patch on skin around waist since few months. Approx 1x2 ". Not much itchy. Not really raised but bit rough to touch. Unsightly. Fungal? Allergy?

Dark patch on skin around waist since few months. Approx 1x2 ". Not much itchy. Not really raised but bit rough to touch. Unsightly. Fungal? Allergy?

Several possibilites: Contact allergy and fungus are both possible, but usually are itchy. Contact allergy is usually due to nickel if directly under the snap on the front of your pants. Acanthosis nigricans also possible. ...Read more

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7 weeks baby with under eye dark circles. Normal? She has very fair skin and her dad has them as well. Is it indicative of allergies?

7 weeks baby with under eye dark circles.  Normal?  She has very fair skin and her dad has them as well. Is it indicative of allergies?

Dark circles: Under infants eyes can be normal. The skin there is very thin making blood vessels close to the surface more prominent. Dark circles are seen in allergic patients but having dark circles doesn't mean your child is allergic. That is not a label I would give a 7 week old. Is she feeding ok? Growing? Any other concerning symptoms? You also said Dad had them...sounds like a family trait. ...Read more

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I have very bad dark circles.Can you tell me the main cause?I have very very thin skin,allergies,hypermelanosis,DNS(blocked nose),genetic(from mom)

I have very bad dark circles.Can you tell me the main cause?I have very very thin skin,allergies,hypermelanosis,DNS(blocked nose),genetic(from mom)

Nasal congestion?: This can be a familial trait which cannot be eradicated permanently. On the other hand, dark circles (aside from not getting enough sleep) are often from nasal congestion and may be reversed by treating the nasal problem. Consult your doctor. ...Read more

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I want to stop mediven betamethasone cream but if i do I get very itchy & rashes which later turns dark like dead skin .i used it before for allergy?

I want to stop mediven betamethasone cream but if i do I get very itchy & rashes which later turns dark like dead skin .i used it before for allergy?

See dermatologist: The betamethasone cream only reduces the inflammation and does nothing on the cause for your rash. Thus the rash will return within days after you stop using the cream. You need to consult a dermatologist to try to find out the cause. ...Read more

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I have small bumps that are lighter than my skin on random parts of my body (sides, back, breasts, butt etc.). They also itch at times. Allegry?

I have small bumps that are lighter than my skin on random parts of my body (sides, back, breasts, butt etc.). They also itch at times. Allegry?

Dermatology evaluati: You need a dermatology evaluation to clarify the diagnosis The diagnosis can depend on location of the spots, do they persist or come and go, the appearance and your general medical health ...Read more

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Why might it be that my metal allergy only affects certain parts of me?

Why might it be that my metal allergy only affects certain parts of me?

Yes: It is usually worse where skin is thinner such as earlobes and around the neck but can occur wherever the metal has contact with the skin. Rings, watchbands, earrings, necklaces and snaps are often culprits. Carry change in a pants pocket can also result in a rash. The culprit is usually nickel. ...Read more

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