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

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What causes cold sores on the lips not to go away?

What causes cold sores on the lips not to go away?

Reinfecting: Although cold sores and canker sores are often confused for each other, they are not the same. Cold sores, also called a fever blister or herpes simplex type 1, are groups of painful, fluid-filled blisters. Unlike canker sores, cold sores are caused by a virus and are extremely contagious. Also, cold sores typically appear outside the mouth -- usually under the nose, around the lips, or under the. ...Read more

Dr. Heidi Fowler
1,053 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 causes fever blisters/ cold sores on my upper lip?!?

What causes fever blisters/ cold sores on my upper lip?!?

Cold sores: Cold sores/fever blisters are cause by the herpes simplex virus. There are 2 types—oral & genital. Either type can cause a "cold sore" although the oral type is usually involved with lip lesions. There are several otc treatments to lessen symptoms, but prescription anti-viral meds work better to clear the lesions. Herpes, however, is not cured; it is suppressed & can reappear.—>. ...Read more

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Please can you advice me of what cream i should use for my chopped and like burning lips cause by cold sores, please i need your advice because it alm?

Please can you advice me of what cream i should use for my chopped and like burning lips cause by cold sores, please i need your advice because it alm?

Lip eczema treatable: After cold sores, persistent chapped lips can be lip eczema, which can be treated like skin eczema, using hydrocortisone cream a few days, plus Vaseline or Aquaphor to retain moisture. Sometimes, lipsticks or lip sunscreen chemicals are causing an allergic reaction on the lips. Other times, a person is a primary lip-licker (it's her habit). Once cracked, lips can get irritated by foods and juices. ...Read more

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My boyfriend always gets cold sores below his lip, I did a herpes test and I don't have it, are cold sores always caused by herpes? If not, what?

My boyfriend always gets cold sores below his lip, I did a herpes test and I don't have it, are cold sores always caused by herpes? If not, what?

Oral herpes: Probaby your bf has oral herpes (cold sores). It is always caused by herpes simplex virus, usually type 1 (HSV1). Herpes isn't so easily transmitted; many partners don't catch it. But play it safe: if you have neg HSV1 blood test, he shouldn't kiss or perform oral sex on you during an outbreak. Transmission might still occur, but not likely; and easily treated if it happens and start Rx early. ...Read more

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Getting cold sores on my lip that popup out of nowhere haven't had a cold or done anything to hurt it what could cause this and how to stop it?

Oral herpes: Oral herpes outbreaks typically occur randomly, but usually no more often than 3-4 times a year. Although they can be triggered by other infections (hence the names cold sore, fever blister) or injury (e.g. sunburn), most outbreaks occur randomly, with no obvious trigger. Treatment can speed healing or help prevent outbreaks. See doctor to confirm diagnosis and discusss prevention and treatment. ...Read more

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What to do if i can barely open my mouth how do I cure dry lips that are caused by cold sores?

Try lysine: A supplement called lysine suppresses herpes outbreaks in most people. Also avoid whole wheat bread and nuts. Do not take if you have phenylketonuria. There are also prescription antivirals available. ...Read more

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Have been having numbness in bottom lip fir a few days. I really feel eat after i drink or eat. What is the cause? I have mo cold sores.

Have been having numbness in bottom lip fir a few days.  I really feel eat after i drink or eat.  What is the cause?  I have mo cold sores.

Salivary gland stone: Is the only valid explanation to your symptom , pressure build inside your sublingual salivary gland that it's duct is blocked by a stone, that in turn press on nerve endings causes the symptoms.
I would have it checked by your dentist, ct scan or ultrasound may be required .. ...Read more

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Can cold sores go from your lips to down below and cause genital herpes?

Can cold sores go from your lips to down below and cause genital herpes?

It has happened: Sometimes herpes type i (cold sores) has been transmitted to the genitals. However it remains type i and does not morph into herpes type ii. ...Read more

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What causes cold sores I have a clump of them on my bottom lip and chin what will get rid of them and how long will it take i also feel really tired ?

What causes cold sores I have a clump of them on my bottom lip and chin what will  get rid of them and how long will it take i also feel really tired ?

Time: If indeed they are cold sores you never get rid of the virus. Stress and uv light are tow of the most common reasons they erupt. If you catch it at the tingling phase you can take viroxin or zovirax (acyclovir). In my office the laser does great for keeping them small and increases healing..But you need to get in early. ...Read more

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Can lip picking with no cold sores cause genital herpes?

Can lip picking with no cold sores cause genital herpes?

No: Once someone has been infected with herpes more than a few months, the virus they is not transmitted to other body areas. Even with active cold sores, herpes is never transmitted to a person's own genital area. Don't worry about it. ...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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Can lip picking if you have no cold sores and wiping down there after peeing cause genital herpes?

Can lip picking if you have no cold sores and wiping down there after peeing cause genital herpes?

No: Although there is often herpes virus in the mouth without lesions, there just isnt that much carried down there that way. It needs to be direct contact. ...Read more

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Can Desonide ointment cause acne? Dermatologist gave it for chapped lips & after using it a couple of bumps appeared on lower lip. Not cold sores.

Can Desonide ointment cause acne? Dermatologist gave it for chapped lips & after using it a couple of bumps appeared on lower lip. Not cold sores.

Perioral dermatitis: We know to avoid cortisones for this reason. The technical name is PERIORAL DERMATITIS. Never again use any type of cortisone on your face. Use vaseline or chapstick for dry lips. The redness and pimples around your lips may be temporarily worse when you stop desonide. Tacrolimus ointment and oral low dose minocycline or doxycycline will help. You can also add spironolactone to stop acne. See a de ...Read more

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What could cause a sudden incidence of canker sores on the inside of mouth and lips? Theyre not cold sores and I haven't had sex recently to contract HIV or anything. I never get them now I have 4-5 sore persistent ones all at once. I also eat good.

What could cause a sudden incidence of canker sores on the inside of mouth and lips? Theyre not cold sores and I haven't had sex recently to contract HIV or anything. I never get them now I have 4-5 sore persistent ones all at once.  I also eat good.

No sure answer: There is no sure answer to this question. Stress has been associated with canker sores. Some have suspected that this may be from strep mutans- an organism found normally in the mouth and considered responsible for dental caries. Have you had your teeth cleaned at least twice yearly, flossed daily, and brushed thoroughly at least 2x daily? Good dental hygiene may help. ...Read more

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What usually causes cold sores in the mouth?

What usually causes cold sores in the mouth?

Cold sores: Most cold sores are called aphthous ulcers. They are caused by a virus that the majority of the population has. There is no cure, it usually lays dormant in the nerve endings and erupts in an incident after stress, trauma or external stimulants. They usually last 7-10 days and there are meds that can lessen the duration and intensity. Herpes is another possibility. See a dentist to have evaluated. ...Read more

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What causes cold sores in mouth?

Herpes virus: Typically precced by some type of trauma, bite lip, taco chip scrape etc. ...Read more