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It is not unusual to have a problem with your mouth from time to time. A mouth problem can involve your gums,
lips, tongue, inner cheeks, the roof of your mouth (soft and hard palates), under your tongue, your neck,
or your teeth. Your mouth may be dry, or food may not taste right. You may have bad breath or a sore on your
lip, gums, or tongue that makes it hard to eat or talk. Many of these problems can get better with home
treatment.
Common mouth problems include:
- Sores, such as cold sores (also called fever blisters), canker sores, and impetigo. Canker sores develop
inside the mouth, while cold sores and impetigo usually affect the area around the outside of the mouth.
- Infections, which can be caused by a virus (such as herpes simplex) or a bacteria (such as epiglottitis
or a sexually transmitted disease). An infection is more serious when it causes rapid swelling of the tongue
or throat and blockage of the airway.
- Tender, red splits or cracks at the corner of your mouth (angular cheilitis),
which can be caused by infection, a diet too low in vitamins, and over-closure of the mouth in someone
who has been without teeth or dentures for some time.
- Chapped lips, which may be caused by dry, windy, cold, or very hot weather.
- Dry mouth (xerostomia). A common cause of dry mouth is dehydration. Over time, having a dry mouth increases
your risk of mouth infections, gum disease, and dental cavities.
- Thick, hard white patches inside the mouth that cannot be wiped off (leukoplakia). This is commonly
caused by irritation of the mouth, such as from a rough tooth or poorly fitting denture rubbing against
tissue or from smoking or using smokeless (spit) tobacco.
- Thrush, a common infection of the mouth and tongue caused by the yeast Candida albicans. Thrush
appears on the mouth and tongue as white patches that look like cottage cheese or milk curds. When the patches
are wiped away, the underlying area appears red and raw and may bleed. In babies, thrush may cause a rash in
the diaper area.
- Taste changes. Your sense of taste may be decreased, lost, or changed, such as a metallic taste in your mouth.
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Your tongue may become sore or swollen, or it may change color or texture. A buildup of food and bacteria
on the tongue may make the tongue look thick or furry ("hairy tongue"). Often the problems will go away if
the surface of the tongue is regularly brushed with a soft-bristled toothbrush. If your tongue problem is
from some local irritation, such as tobacco use, removing the source of the irritation may clear up the
tongue problem. Rapid swelling of the tongue can be caused by an allergic reaction, which can interfere
with breathing. For more information, see the topic Allergic Reaction.
Bad breath (halitosis) or changed breath can be an embarrassing problem. Make sure that you brush
your teeth twice each day and floss once a day to decrease the bacteria that can cause bad breath.
Brushing your tongue can also help.
The use of alcohol and tobacco can cause many mouth problems. Your chances of having oral cancer are
increased if you smoke, use smokeless (spit) tobacco, or use alcohol excessively.
Mouth problems may occur more commonly with other conditions and diseases, such as diabetes, Down syndrome,
and HIV (human immunodeficiency virus). Many medicines also can cause mouth problems.
Review the Emergencies and Check Your Symptoms sections to determine if and when you need to see a health
professional.
Home Treatment
Mouth problems are common and can be very annoying. But most mouth problems are minor and will clear up with
home treatment and time. Simple home treatment measures, such as increasing your fluid intake to prevent
dehydration and using a humidifier inside your home, can relieve many mouth problems. Try home treatment
when you have one of the following mouth problems:
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Chapped lips. Avoid licking or biting your lips. Protect your lips with lipstick or a lip balm, such as a
water-based product. If your lips are severely chapped, build a barrier by applying petroleum jelly, such as
Vaseline, for a short time and then switch to a water-based product. Avoid sun or wind exposure. Using a
humidifier in your home may help.
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- A dry mouth. Avoid caffeinated beverages, tobacco, and alcohol, all of which increase dryness in your mouth.
Bad breath, a bad taste in your mouth, a black or coated tongue, or "hairy tongue". You can freshen your breath
by brushing your teeth, tongue, roof of your mouth, and gums. Sometimes just rinsing your mouth with fresh water
will freshen your breath and make your mouth taste better.
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