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Doctor insights on: What Are The Causes Of Cold Sores On Lips

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What are the causes of canker sores in the throat?

What are the causes of canker sores in the throat?

Unknown: One of the mysteries of medicine. No known causes. ...Read more

Dr. Heidi Fowler
1,041 doctors shared insights

Cold Sore (Definition)

Also referred to as fever blisters, cold sores are small, painful fluid-filled blisters that are usually found around the lips. Cold sores are very contagious and can be spread by mouth to mouth contact and can spread to the genitalia and cause genital ...Read more


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What are the causes of canker sore?

What are the causes of canker sore?

Canker sore: Canker sores can be caused by stress, trauma, Vitamin deficiency, hormonal, autoimmune, sensitivity to certain chemicals. A common sensitivity is to SLS, sodium lauryl sulfate, which is common in many toothpastes. Try one without SLS if you have frequent canker sores. ...Read more

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What are the symptoms of herpes/cold sores/canker sores on your lips/mouth?

What are the symptoms of herpes/cold sores/canker sores on your lips/mouth?

Two different things: Cankers (recurrent aphthous ulcers) are an "auto-immune" type reaction to trauma/stress (such as biting your lip). They occur on the loose membranes of your lips, cheeks and floor of the mouth. Your dentist can treat with prednisone, laser or chemicals to cut pain. Cold sores are hsv. Abreva helps those some, but most need doc rx. Both go away without treatment in 10-14 days (pain only 3-5 days). ...Read more

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What are the causes of mouth sores or canker sores?

What are the causes of mouth sores or canker sores?

Various causes...: Food allergies, traumas due to injury borh physical, thermal or chemical. A very common disease is auto immune called lichen planus easily treated after a good diagnosis...Other diseases can cause these problems and should be ruled out... Chuck. ...Read more

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What causes sores on the tongue?

What causes   sores on the tongue?

Lots of things: See your general dentist or an oral surgeon when you have these sores present for a definitive diagnosis. The diagnosis will determine the cause, if known (for some types of sores, the cause is not well understood). ...Read more

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What are the causes of canker sores in your mouth?

What are the causes of canker sores in your mouth?

Canker sores can be : Caused by stress, burns, trauma, herpes and other unknown causes. When you have an eruption, see your dentist for a proper diagnosis. There are various medications to treat canker sores but it depends on the cause. ...Read more

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What are the causes of cancker sores in your mouth?

What are the causes of cancker sores in your mouth?

Canker sores: Are the most common oral lesions. Individual ulcers typically last 1-2 weeks. The condition is idiopathic (cause is not known) recurrent aphthous ulcers is usually self-limiting. Rec.: if not comfortable or concerned see a dentist for soft tissue laser treatment. ...Read more

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What are the causes of dry and numb lips?

What are the causes of dry and numb lips?

Dry lips: Dry or chapped lips can be caused by lack of moisture to the lips. The condition can be worsened by the sun or the wind. ...Read more

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What causes cold sores in the corner of my mouth?

What causes cold sores in the corner of my mouth?

Herpes simplex virus: Cold sores are a re-activation of latent herpes simplex virus infection, at the corners of the mouth or elsewhere. Not all sores at the corners of the mouth are cold sores, though; more commonly, cracking or oozing of the skin here represents "angular cheilitis"--the result of frequent exposure to saliva, and may become secondarily infected by bacteria or yeast. See your dentist for more info. ...Read more

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Are cold sores and sores inside the mouth related or the same thing?

Are cold sores and sores inside the mouth related or the same thing?

Not the same : recurrent aphthous ulcers and other ulcers in the mouth are not the same. Causes of ulcers are many: Viral infections, particularly herpes simplex and herpes zoster Other infectious agents (Candida albicans and bacteria) Trauma Tobacco or irritating foods or chemicals Chemotherapy and radiation therapy. Cause of Aphthous ulcers is unclear. Diagnosis is clinical. Treatment is symptomatic. ...Read more

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What are the symptoms of canker sores in the throat?

What are the symptoms of canker sores in the throat?

Pain , soreness: On the sore site (gum & lips, floor of mouth, tongue. ...Read more

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What are the symptoms of cold sores?

What are the symptoms of cold sores?

Burning and pain: A cold sore is caused by a common virus-herpes simplex. They begin as a burning sensation in the lip area and this is followed by the formation of a blister. The blister ruptures and leaves a painful ulceration that then crusts over and heals within 10-14 days. There are some topical agents that can speed healing or abort the formation of the blister if caught early. ...Read more

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What are the signs of herpes on the tongue?

What are the signs of herpes on the tongue?

Herpes of tongue: The herpes virus causes painful sores on the lips, gums, tongue, roof of the mouth, inside the cheeks, and sometimes on the face and neck. It also can cause symptoms such as fever and muscle aches. The actual sores are usually easily characteristic and recognizable by an experienced health care practitioner. ...Read more

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Can cold sores appear on the inside of the inner lip? Or are they canker sores?

Can cold sores appear on the inside of the inner lip? Or are they canker sores?

Possible\unlikely: It is very unusual but possible for cold sores caused by a virus to appear on the inside of the lip, and when they do, it is most common near the insider border of the lip. They appear more often in clusters and as a blister, unlike canker sores (aphthous ulcers) which occur only inside the mouth and usually as a single white ulcer surrounded by a red inflamed border. ...Read more

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What causes cold sores and fever blisters in the mouth and lips?

What causes cold sores and fever blisters in the mouth and lips?

Virus: Cold sores are caused by the herpes virus and is a very common infection to get. It is estimated that 90+% of population has been exposed to this virus in childhood. Usually it is triggered by stress, lack of sleep, excess sunlight etc.. Sometimes people get them recurrently or once in awhile or sometimes once then never again. It depends but can be treated by Acyclovir and related drugs too. ...Read more

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What causes blisters on the mouth?

What causes blisters on the mouth?

Many things: true blisters can be from trauma, viruses, oral medications. It is useful to keep track of what things might trigger the blisters or perhaps see your dermatologist for a definitive diagnosis ...Read more

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What are the causes of lip blisters ?

What are the causes of lip blisters ?

Allergy or Infection: There are many etiologies for lip blisters. Herpes simplex labialis affects many individuals and is due to a recurrent virus infection. It may be induced by stress, sunlight, and an underlying illness. Other causes include an allergy to a cosmetic ingredient. Systemic medications can also be associated with lip blisters. ...Read more

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What are the causes of cold cough?

What are the causes of cold cough?

Virus/ allergy/ bac: There are many viruses, allergens and bacteria that can cause a cold and a cough. Most people will improve with time and many meds can help with symptoms. If symptoms persist more than 1 or 2 weeks or if they are severe seek out your doctor for help. Hope you feel better soon. ...Read more

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