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Environmental, behavioral and medical factors can cause black spots on the lips. Potential causes may include excessive consumption of hot coffees and teas, lip biting, a vitamin B deficiency or hormone imbalances, accor... More »

www.reference.com Health Conditions & Diseases Skin Conditions

According to the American Academy of Dermatology, melasma, a common skin condition affecting approximately 6 million women in the United States, causes brown or gray-brown patches of skin on the face. Patches can occur o... More »

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Lip discoloration is caused by a number of factors including anemia, cyanosis, melasma, too much sun exposure, consumption of excessively hot food, high intake of caffeine, licking and biting of lips, vitamin B deficienc... More »

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According to WebMD, Fordyce spots are white dots that sometimes show up on lips. This condition sometimes occurs when the skin's sebaceous -- oil producing -- glands extend onto the lips. More »

www.reference.com Health Conditions & Diseases Skin Conditions

Cold sores form on lips because of an infection by the herpes simplex virus, which gets into the body through a cut or scratch in the mouth or nearby skin, WebMD states. Contact with a cold sore or with HSV-infected flui... More »

www.reference.com Health Conditions & Diseases Skin Conditions

Small white bumps on the lips can be caused by several things, including acne, cold sores, sunburn, allergies, infection, trauma and cancer, according to New Health Guide. While most causes are benign and do not require ... More »

www.reference.com Health Conditions & Diseases Skin Conditions

Some of the most common causes of chapped lips include use of certain drugs, allergic reactions, frequent licking of the lips, low levels of fluids in the body, use of certain toothpastes, breathing through the mouth and... More »

www.reference.com Health Conditions & Diseases Skin Conditions