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Doctor insights on: Flu Mouth Sores

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I have 3 round red mouth sores on the roof of my mouth, none have white heads on. I do have sore throat / flu what could it be. They don't hurt?

I have 3 round red mouth sores on the roof of my mouth, none have white heads on. I do have sore throat / flu what could it be. They don't hurt?

Sores, roof of mouth: This is most likely a manifestation of the presence of a virus. Other less likely possibilities would be Streptococcal infection, or thrush. Evaluation by a physician will lead to a rapid accurate diagnosis. ...Read more

Dr. David Schleimer
248 doctors shared insights

Mouth Sores (Definition)

A canker sore is a painful, open sore in the mouth. Canker sores are white or yellow and surrounded by a bright red area. They are benign (not cancer). Canker sores can run in families. They may also be linked to problems with the body's immune (defense) system. The sores may occur after a mouth injury due to dental work, aggressive tooth cleaning, or biting the tongue or cheek. Canker sores can be triggered by emotional stress, dietary deficiencies (especially iron, folic acid, or vitamin B-12), menstrual periods, hormonal changes, food allergies, and similar situations. They occur most commonly with viral infections. In some cases, the cause can not be identified. Treatment is usually not necessary. In most cases, the canker sores ...Read more


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Just a few days ago i had the flu along with a high fever. This morning i woke up with cold sores all in and around my mouth. Is this normal?

Just a few days ago i had the flu along with a high fever. This morning i woke up with cold sores all in and around my mouth. Is this normal?

Cold Sore Triggers: While symptoms are not usually present with an initial infection, certain factors may trigger later outbreaks of a cold sore. These can include exposure to sunlight or other uv light, the common cold or flu, hormonal changes, and emotional stress. By being aware of your cold sore triggers and avoiding them as much as possible, you can help prevent outbreaks from occurring. ...Read more

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Can mouth ulcers be the result of the flu or a morning sickness symptom?

Can mouth ulcers be the result of the flu or a morning sickness symptom?

Possibly: If the morning sickness is causing an acid condition in the mouth, this may affect the oral soft tissues, causing canker sores, especially if nutrition is suffering also. Add hormonal changes and stress and that may be the result. Stress from illness such as flu could also provoke this condition. ...Read more

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I have a sensitive mouth ? I had mouth ulcers during the time i had flu and find my pallet and gums to be healed, but sensitive like the ulcers did

I have a sensitive mouth
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I had mouth ulcers during the time i had flu and find my pallet and gums to be healed, but sensitive like the ulcers did

Probably root sens: Probably roots of teeth are sensitive rather than gums which more likely would feel tender not sensitive to cold, sweets, acid like a tooth. Probable causes are - acid from your stomach from vomit or just escape of stomach gas without actually vomiting and also when you feel sick you are tired and typically do not take the best care of your teeth and eat healthy. ...Read more

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Have wrong info. Herpes 1 IgG positive. Herpes II IgG indeterminate. How is herpes 1 transmitted via flu or cold sores stress?

Have wrong info.  Herpes 1 IgG positive. Herpes II IgG indeterminate.  How is herpes 1 transmitted via flu or cold sores stress?

Herpes simplex: Herpes simplex is transmitted by direct contact with a lesion or the body fluid of an infected individual.Transmission may also occur through skin-to-skin or mucous membrane contact during periods of asymptomatic shedding. Barrier protection methods are the most reliable method of preventing transmission of herpes, but they merely reduce rather than eliminate risk. ...Read more

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My friend has gotten cold sores since we were kids so i know i've been exposed to the virus. Just got first cold sore after flu. Will i always get them now? I'm 23 and never had one before now.

My friend has gotten cold sores since we were kids so i know i've been exposed to the virus. Just got first cold sore after flu. Will i always get them now? I'm 23 and never had one before now.

Most likely yes: Manny people have the virus but some people have no symptoms. Others get sores near the area where the virus has entered the body. They turn into blisters, become itchy and painful, and then heal. It's reoccurrence strictly has to do with your immune system. When your immune system is weak ( like when you had the flu) they tend to show up. ...Read more

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I want to get the flu vaccination but I have the virus that produces cold sores will i hsve side effects?

I want to get the flu vaccination but I have the virus that produces cold sores will i hsve side effects?

Won't matter: The part of your immune system that deals with the flu shot is not bothered by a cold sore outbreak. It will provide the same benefit to you whether you have one or not. ...Read more

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Always getting sick. Have 10 month old baby and I have had sinusitis, colds, flu, tonsillitis, sores in my mouth' stomach bug. What is going on?

Always getting sick. Have 10 month old baby and I have had sinusitis, colds, flu, tonsillitis, sores in my mouth' stomach bug. What is going on?

Sick: Your immunity may have been comprimised by your pregnancy and possibly breast feeding your child. Also your severe allergies may make you more prone to the viral illnesses that you have come down with. ...Read more

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My son is 18 months Has a temp of 100.4. Sweating and has super hot feet and legs. He has no sores in his mouth. And a bit restless. Is this the flu?

My son is 18 months Has a temp of 100.4. Sweating and has super hot feet and legs. He has no sores in his mouth. And a bit restless. Is this the flu?

Could certainly be: the flu, or another virus. I would recommend you call his pediatrician and have him seen. Meanwhile make sure he's drinking plenty of fluids and if he has no medical contraindication, you can give him Tylenol (acetaminophen) or Motrin or Advil for the fever, if he's uncomfortable. ...Read more

Mouth (Definition)

Mouth (mouth) " n. Pl. Mouths 1. A. The body opening through which an animal takes in food. B. The cavity lying at the upper end of the alimentary canal, bounded on the outside by the lips and inside by the oropharynx and containing in higher vertebrates the tongue, gums, and teeth. C. This cavity regarded as the source of sounds and speech. D. The opening to any cavity or canal ...Read more


Dr. Heidi Fowler
1,889 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more