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Purple mark on lower lip. No injury. Worried

I have a purple mark on my lower bottom lip inside my mouth. It looks like a bruise. It does not hurt however i constantly rub my tongue over it and I can definitely feel it. Did not get injury to lips or mouth area. I am going to a Dermatologist in May but I am very concerned as a baby boomer i did my share of sun bathing. Many times got sun blisters on my mouth. I am very worried...
Asked On : Fri, 19 Apr 2013
Answers:  1 Views:  269
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Dermatologist 's  Response
Welcome to Healthcare Magic Forum

From your description, there are two possibilities that come to my mind..
Either it is a post inflammatory /trauma pigmented scar or it is a Fixed drug eruption

If you remember having developed any injury of any lesion on the same area in the past , then chances of post inflammatory or post trauma scar are more..
However, a Fixed drug eruption is a type of allergic reaction to a medicine.
Fresh lesions are well defined, round or oval patches of redness and swelling of the skin, sometimes surmounted by a blister. This then fades to a purplish or brown colour.

The number of drugs capable of causing fixed eruptions is large.
Most are due to the following:
Paracetamol /phenacetin and other pain killers,Tetracycline antibiotics;
doxycycline , minocycline ,Sulphonamide antibiotics, Acetylsalicylic acid/aspirin
Make sure that you are not regularly on any of these medications.

In either case, you need to apply a lightening agent containing Kojic acid and vitamin C combination to the affected area twice a day daily..
use sunscreen before any sun exposure if it is on a sun exposed area.
Take oral vitamin C supplementation for early recovery

Hope it helps
Wishing you speedy recovery

Dr Geetika Paul

Answered: Sat, 20 Apr 2013
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