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    Allergic contact dermatitis: Why does it happen and how do you treat it?
    Rajani Katta MD
    • Apr 11
    • 8 min

    Allergic contact dermatitis: Why does it happen and how do you treat it?

    Why do people develop allergic contact dermatitis and how do you prevent and treat it? These strategies can help in prevention.
    Textile Dye Allergy: What to Do If You're Allergic to Your Black Leggings or Workout Clothing
    Rajani Katta
    • Aug 30, 2021
    • 7 min

    Textile Dye Allergy: What to Do If You're Allergic to Your Black Leggings or Workout Clothing

    Allergy to workout clothing or black leggings can cause a rash, due to allergic contact dermatitis to blue disperse textile dyes.
    Allergic Skin Reactions on the Neck: Perfume, Jewelry, Skin care, and Other Triggers
    Rajani Katta
    • Jan 22, 2021
    • 5 min

    Allergic Skin Reactions on the Neck: Perfume, Jewelry, Skin care, and Other Triggers

    Skin rashes on the neck may be allergic contact dermatitis. This reaction may be triggered by perfume, jewelry, hair and skin care and more.
    Hair Dye Allergy From PPD (para-phenylenediamine): How to Avoid It and What to Use Instead
    Rajani Katta
    • Nov 5, 2020
    • 6 min

    Hair Dye Allergy From PPD (para-phenylenediamine): How to Avoid It and What to Use Instead

    Allergy to PPD in hair dyes is becoming more common, but there are PPD free hair dyes that you can use I'm a dermatologist who...
    Allergic reactions to lip balms and chapsticks such as Burt's Bees, Eos, Blistex, Carmex, and others
    Rajani Katta MD
    • Mar 3, 2020
    • 8 min

    Allergic reactions to lip balms and chapsticks such as Burt's Bees, Eos, Blistex, Carmex, and others

    Lip balms and chapsticks from Burt's Bees, Eos, Blistex, Carmex, Chapstick, and others may trigger allergic skin reactions of the lips.
    Allergic Skin Reactions to Natural Deodorants Such as Tom's of Maine, Schmidt's, and More
    Rajani Katta
    • Feb 20, 2020
    • 2 min

    Allergic Skin Reactions to Natural Deodorants Such as Tom's of Maine, Schmidt's, and More

    Allergic skin reactions may occur after using natural deodorants such as Tom's of Maine or Schmidt's, due to natural fragrance additives.
    Allergic skin reactions in the underarm and armpit area: deodorants and other triggers
    Rajani Katta MD
    • Nov 15, 2018
    • 4 min

    Allergic skin reactions in the underarm and armpit area: deodorants and other triggers

    Allergic skin reactions of the underarm and armpit can be triggered by deodorants, skin care products, clothing dyes, and other substances.
    If You Are Allergic to Nickel, Try This Kind of Jewelry
    Rajani Katta MD
    • Mar 27, 2018
    • 7 min

    If You Are Allergic to Nickel, Try This Kind of Jewelry

    If you've ever had a rash after wearing costume jewelry, you may be dealing with a nickel allergy. Luckily, there are strategies that help.
    Shoe Allergy and Rashes on the Feet: What You Need to Know
    Rajani Katta MD
    • Mar 20, 2018
    • 5 min

    Shoe Allergy and Rashes on the Feet: What You Need to Know

    If you have a rash on the top of your feet or toes, one possible cause is shoe allergy. Different components of shoes can trigger allergic r
    Allergy to Fragrance: Understanding Fragrance Additives and Choosing Products
    Rajani Katta MD
    • Sep 11, 2017
    • 5 min

    Allergy to Fragrance: Understanding Fragrance Additives and Choosing Products

    If you're allergic to fragrance, it can be very hard to avoid. There are hundreds of fragrance additives, and they're found in the v
    Warning: "Fragrance-Free" Products May In Fact Contain Fragrance Additives
    Rajani Katta MD
    • Sep 11, 2017
    • 4 min

    Warning: "Fragrance-Free" Products May In Fact Contain Fragrance Additives

    Many products that are labeled as "fragrance-free" may legally contain fragrance additives. This is due to a loophole in the label
    Allergic Skin Reactions on the Job: Occupational Allergic Contact Dermatitis
    Rajani Katta
    • Sep 2, 2017
    • 4 min

    Allergic Skin Reactions on the Job: Occupational Allergic Contact Dermatitis

    I've been performing patch testing for close to 20 years, and during that time I've seen many cases of allergies related to the...
    Allergic Skin Reactions in Athletes
    Rajani Katta
    • Sep 2, 2017
    • 5 min

    Allergic Skin Reactions in Athletes

    Can you be allergic to work? Well, you can certainly be allergic to some of the tools or equipment or other exposures in your workplace....
    Red eyelids: tips for facial and eyelid contact dermatitis
    Rajani Katta MD
    • Jul 26, 2017
    • 7 min

    Red eyelids: tips for facial and eyelid contact dermatitis

    Red, itchy eyelids may be due to allergic contact dermatitis. This allergic skin reaction can be due to cosmetics, hair care, and others.
    Allergic Skin Reactions on the Job: Occupational Allergic Contact Dermatitis
    Rajani Katta MD
    • Jun 26, 2017
    • 5 min

    Allergic Skin Reactions on the Job: Occupational Allergic Contact Dermatitis

    Occupational allergic contact dermatitis can occur in many different jobs.This type of allergic reaction can be triggered by different equip
    What causes chapped lips?
    Rajani Katta MD
    • Feb 24, 2017
    • 6 min

    What causes chapped lips?

    I was speaking to one of my friends who had been plagued with chapped lips all winter long. She was miserable, because the chapped lips...
    The Monday morning beauty hangover: allergic reactions to manicures, shellac nails, and hair dye
    Rajani Katta MD
    • Jan 7, 2017
    • 4 min

    The Monday morning beauty hangover: allergic reactions to manicures, shellac nails, and hair dye

    I call it the Monday morning beauty hangover. And it's the last thing you'd expect. You head into the beauty salon on Saturday for a...
    This is why I don't recommend "natural" skin care products
    Rajani Katta MD
    • Jul 7, 2016
    • 4 min

    This is why I don't recommend "natural" skin care products

    I've noticed a definite trend in the last five years. More and more of my patients with sensitive skin and eczema are reporting that...
    Does your wedding ring make you itch? It might be a nickel allergy, and here's what you can do.
    Rajani Katta MD
    • Apr 27, 2016
    • 4 min

    Does your wedding ring make you itch? It might be a nickel allergy, and here's what you can do.

    Even wedding rings can trigger allergic reactions When you start to develop a red, itchy patch right underneath your wedding ring, it's...
    Do You Color Your Hair? This Is What You Need To Know About Hair Dye Allergy.
    Rajani Katta MD
    • Mar 30, 2016
    • 3 min

    Do You Color Your Hair? This Is What You Need To Know About Hair Dye Allergy.

    I'm seeing more and more patients who've become allergic to their hair dye. Many of these patients haven't been able to identify the...
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