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Rash on top lip, swollen lips, dark black coloration. What is the problem?

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Pediatrician, Infectious Diseases
Practicing since : 2005
Answered : 1528 Questions
My daughter had a little rash on top lip then both lips swore up. Rash is gone swelling down. Now her lips went purple to now dark black. What is the problem and how can i turn lips back pink. She has no discomfort. It has been over a week now.
Posted Tue, 25 Sep 2012 in Child Health
Answered by Dr. Hema Yadav 3 hours later
Thanks for posting your query.
Considering the information you have provided the most probable diagnosis seems to be a dermatitis or an allergic reaction.
Less likely allergic angioedema or a herpes viral infection might present in a similar way however these may be associated with severe swelling ( angioedema ) or significant painful blisters ( in herpes Labialis ).
Possible factors for triggering this condition are lip balms, lipstick, toothpaste, mouthwash, bubble gum (ie, rosin, cinnamates), nickel in musical instrument mouthpiece, rubber in snorkeling mouthpiece, cane XXXXXXX in a clarinet, food (mango skin , processed foodstuff containing certain chemicals etc.
The most important thing is to keep the lips well moisturised drinking plenty of fluids and applying petroleum jelly ( Vaseline etc) frequently .
Avoid any other chemical products .
The next best step is to consult a dermatologist who can confirm the diagnosis and start further appropriate treatment like a course of antibiotics ( if inflamed ), antivirals local acyclovir ointment or oral acyclovir ( if herpes ) and mild steroid ( hydrocortisone ) if eczema ( dermatitis).
Please do not worry your child will gradually get back the natural colour of her lips once this scab ( dead skin) formed due to the rash resolves.

Hope I have answered your query.
Kindly accept my answer in case you have no further queries.
Wishing her a speedy recovery.

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