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Cleft lip and cleft palate are birth defects that occur when a baby's lip or mouth do not form properly. They happen early during pregnancy. A baby can have a cleft lip, a cleft palate, or both.

A cleft lip happens if the tissue that makes up the lip does not join completely before birth. This causes an opening in the upper lip. The opening can be a small slit or a large opening that goes through the lip into the nose. It can be on one or both sides of the lip or, rarely, in the middle of the lip.

Children with a cleft lip also can have a cleft palate. The roof of the mouth is called the "palate." With a cleft palate, the tissue that makes up the roof of the mouth does not join correctly. Babies may have both the front and back parts of the palate open, or they may have only one part open.

Children with a cleft lip or a cleft palate often have problems with feeding and talking. They also might have ear infections, hearing loss, and problems with their teeth.

Often, surgery can close the lip and palate. Cleft lip surgery is usually done before age 12 months, and cleft palate surgery is done before 18 months. Many children have other complications. They may need additional surgeries, dental and orthodontic care, and speech therapy as they get older. With treatment, most children with clefts do well and lead a healthy life.

Centers for Disease Control and Prevention

Oral cancer is cancer of the mouth. It is a type of head and neck cancer. Most oral cancers are squamous cell cancers. They begin in the flat cells that cover the surfaces of your mouth, tongue, and lips. The cancer cells may spread into deeper tissue as the cancer grows.

Most oral cancers are related to tobacco use, heavy alcohol use, or an HPV infection.

Anyone can get oral cancer, but you are more likely to develop it if you:

• Use tobacco or drink lots of alcohol. Your risk of developing oral cancer is even higher if you do both.
• Are male.
• Are over ago 40.
• Have HPV.
• Have a history of head or neck cancer.
• Get frequent sun exposure (for lip cancer).

The symptoms of oral cancer may include:

• A white or red patch in your mouth
• A lip or mouth sore that won't heal
• Bleeding, pain, or numbness in the lip or mouth
• Loose teeth or dentures that no longer fit well
• Problems or pain with swallowing
• A lump in your neck
• Ear pain
• Trouble moving your mouth or jaw
• Swelling of the jaw
• A sore throat or feeling that something is caught in the throat

If you have any of these symptoms for more than two weeks, see your health care provider or dentist. Oral cancer can spread quickly, so it's important to find it early.

To find out if you have oral cancer, your provider may use:

• A physical exam of the lips and mouth.
• An endoscopy.
• A biopsy or other procedure to collect cells from the lip or oral cavity. The cells are viewed under a microscope to find out if they are abnormal.
• Imaging tests.

The treatments for oral cancer include surgery, radiation therapy, or both. After surgery, some people also need chemotherapy to kill any cancer cells that are left.

There are steps you can take to help prevent oral cancer:

• Not smoking
• Limiting alcohol use or not drinking at all
• Getting regular dental exams

NIH: National Cancer Institute

Cold sores are caused by a contagious virus called herpes simplex virus (HSV). There are two types of HSV. Type 1 usually causes oral herpes, or cold sores. Type 1 herpes virus infects more than half of the U.S. population by the time they reach their 20s. Type 2 usually affects the genital area.

Some people have no symptoms from the infection. But others develop painful and unsightly cold sores. Cold sores usually occur outside the mouth, on or around the lips. When they are inside the mouth, they are usually on the gums or the roof of the mouth. They are not the same as canker sores, which are not contagious.

There is no cure for cold sores. They normally go away on their own in a few weeks. Antiviral medicines can help them heal faster. They can also help to prevent cold sores in people who often get them. Other medicines can help with the pain and discomfort of the sores. These include ointments that numb the blisters, soften the crusts of the sores, or dry them out. Protecting your lips from the sun with sunblock lip balm can also help.

Craniofacial is a medical term that relates to the bones of the skull and face. Craniofacial abnormalities are birth defects of the face or head. Some, like cleft lip and palate, are among the most common of all birth defects. Others are very rare. Most of them affect how a person's face or head looks. These conditions may also affect other parts of the body.

Treatment depends on the type of problem. Plastic and reconstructive surgery may help the person's appearance.

Infectious mononucleosis (mono) is a disease caused by viruses.The most common cause is the Epstein-Barr virus (EBV). Mono is contagious, which means it can spread from person to person. It is common among teenagers and young adults, especially college students.

Mono can be caused by many different viruses. But it is most often caused by the Epstein-Barr virus (EBV). EBV is found all over the world. Most people get an EBV infection at some point in their lives, but only some of them will get the symptoms of mono. EBV infections often happen during childhood or when someone is a young adult. EBV infections in children usually do not cause symptoms. And when they do, it's hard to tell the difference between the symptoms of mono and the symptoms of other common childhood illnesses such as the flu. Teens and young adults who get EBV are more likely to have symptoms that are typical of mono.

EBV and the other viruses that cause mono are usually spread through body fluids, especially saliva (spit). This means that you can get it through kissing. That's why mono is sometimes called "the kissing disease." But you can also get these viruses if you share food, drinks, forks, spoons, or lip balm with someone who has mono. Other less common ways of getting an infection are through blood transfusions, organ transplants, and blood and semen during sexual contact.

The symptoms of mono usually start four to six weeks after you get the infection. But they may start sooner in young children. The symptoms often develop slowly, and they may not all happen at the same time. They can include:

• Extreme fatigue
• Fever
• Sore throat
• Head and body aches
• Swollen lymph glands in your neck and armpits
• Rash
• Swollen liver, spleen, or both (these are less common symptoms)

Most people get better in two to four weeks. However, some people may feel fatigued for several more weeks. Occasionally, the symptoms can last for six months or longer.

Your healthcare provider may diagnose mono based on your symptoms and a physical exam. The exam will include checking to see if your lymph nodes, tonsils, liver, or spleen are swollen. In some cases, your provider might also order a mono test to confirm the diagnosis.

• Drinking plenty of fluids to avoid dehydration.
• Getting lots of rest.
• Taking over-the-counter medications for pain and fever. But don't give aspirin to children or teens because it may cause Reye syndrome. This syndrome is a rare, serious illness that can affect the brain and liver.

If you have severe symptoms, your provider may suggest additional treatment based on which organs in your body are affected by the mono.

Antibiotics don't treat viral infections, so they do not help with mono. Some people do get bacterial infections such as strep throat along with mono. In that case, you probably need antibiotics to treat the bacterial infection. But you should not take penicillin antibiotics like ampicillin or amoxicillin. Those antibiotics can cause a rash in people who have mono.

Mono can cause an enlarged spleen, which could rupture and cause a medical emergency. To try to protect the spleen, providers recommend avoiding intense exercise and contact sports until you fully recover (about a month).

There is no vaccine to protect against mono. To lower your chance of getting or spreading mono:

• Don't share food, drinks, forks, spoons, or lip balm with anyone, especially if you or the other person has mono.
• Don't kiss someone if you or the other person has mono.
• Wash your hands often with soap and water.

Centers for Disease Control and Prevention

Your mouth is one of the most important parts of your body. It has many different functions. It allows you to:

• Take in food and drink
• Breathe in air
• Start digestion, with your teeth chewing the food you eat and your salivary glands releasing saliva to help break down the food
• Speak and sing
• Show emotion, by smiling or pouting

Any problem that affects your mouth can make it hard to eat, drink, or even smile. Some common mouth problems include:

• Cold sores - painful sores on the lips and around the mouth, caused by a virus
• Canker sores - painful sores in the mouth, caused by bacteria or viruses
• Thrush - a yeast infection that causes white patches in your mouth
• Leukoplakia - white patches of excess cell growth on the cheeks, gums or tongue, common in smokers
• Dry mouth - a lack of enough saliva, caused by some medicines and certain diseases
• Gum or tooth problems
• Bad breath

Treatment for mouth disorders varies, depending on the problem. If a mouth problem is caused by some other disease, treating that disease can help. It is also important to keep your mouth clean and healthy by brushing, flossing, and not using tobacco.

Respiratory failure is a condition in which your blood doesn't have enough oxygen or has too much carbon dioxide. Sometimes you can have both problems.

When you breathe, your lungs take in oxygen. The oxygen passes into your blood, which carries it to your organs. Your organs, such as your heart and brain, need this oxygen-rich blood to work well.

Another part of breathing is removing the carbon dioxide from the blood and breathing it out. Having too much carbon dioxide in your blood can harm your organs.

Conditions that affect your breathing can cause respiratory failure. These conditions may affect the muscles, nerves, bones, or tissues that support breathing. Or they may affect the lungs directly. These conditions include:

• Diseases that affect the lungs, such as COPD (chronic obstructive pulmonary disease), cystic fibrosis, pneumonia, pulmonary embolism, and COVID-19
• Conditions that affect the nerves and muscles that control breathing, such as amyotrophic lateral sclerosis (ALS), muscular dystrophy, spinal cord injuries, and stroke
• Problems with the spine, such as scoliosis (a curve in the spine). They can affect the bones and muscles used for breathing.
• Damage to the tissues and ribs around the lungs. An injury to the chest can cause this damage.
• Drug or alcohol overdose
• Inhalation injuries, such as from inhaling smoke (from fires) or harmful fumes

The symptoms of respiratory failure depend on the cause and the levels of oxygen and carbon dioxide in your blood.

A low oxygen level in the blood can cause shortness of breath and air hunger (the feeling that you can't breathe in enough air). Your skin, lips, and fingernails may also have a bluish color. A high carbon dioxide level can cause rapid breathing and confusion.

Some people who have respiratory failure may become very sleepy or lose consciousness. They also may have arrhythmia (irregular heartbeat). You may have these symptoms if your brain and heart are not getting enough oxygen.

Your health care provider will diagnose respiratory failure based on:

• Your medical history
• A physical exam, which often includes
• Listening to your lungs to check for abnormal sounds
• Listening to your heart to check for arrhythmia
• Looking for a bluish color on your skin, lips, and fingernails
• Diagnostic tests, such as
• Pulse oximetry, a small sensor that uses a light to measure how much oxygen is in your blood. The sensor goes on the end of your finger or on your ear.
• Arterial blood gas test, a test that measures the oxygen and carbon dioxide levels in your blood. The blood sample is taken from an artery, usually in your wrist.

Once you are diagnosed with respiratory failure, your provider will look for what is causing it. Tests for this often include a chest x-ray. If your provider thinks you may have arrhythmia because of the respiratory failure, you may have an EKG (electrocardiogram). This is simple, painless test that detects and records your heart's electrical activity.

Treatment for respiratory failure depends on:

• Whether it is acute (short-term) or chronic (ongoing)
• How severe it is
• What is causing it

Acute respiratory failure can be a medical emergency. You may need treatment in intensive care unit at a hospital. Chronic respiratory failure can often be treated at home. But if your chronic respiratory failure is severe, you might need treatment in a long-term care center.

One of the main goals of treatment is to get oxygen to your lungs and other organs and remove carbon dioxide from your body. Another goal is to treat the cause of the condition. Treatments may include:

• Oxygen therapy, through a nasal cannula (two small plastic tubes that go in your nostrils) or through a mask that fits over your nose and mouth
• Tracheostomy, a surgically-made hole that goes through the front of your neck and into your windpipe. A breathing tube, also called a tracheostomy, or trach tube, is placed in the hole to help you breathe.
• Ventilator, a breathing machine that blows air into your lungs. It also carries carbon dioxide out of your lungs.
• Other breathing treatments, such as noninvasive positive pressure ventilation (NPPV), which uses mild air pressure to keep your airways open while you sleep. Another treatment is a special bed that rocks back and forth, to help you breathe in and out.
• Fluids, often through an intravenous (IV), to improve blood flow throughout your body. They also provide nutrition.
• Medicines for discomfort
• Treatments for the cause of the respiratory failure. These treatments may include medicines and procedures.

If you have respiratory failure, see your health care provider for ongoing medical care. Your provider may suggest pulmonary rehabilitation.

If your respiratory failure is chronic, make sure that you know when and where to get help for your symptoms. You need emergency care if you have severe symptoms, such as trouble catching your breath or talking. You should call your provider if you notice that your symptoms are worsening or if you have new signs and symptoms.

Living with respiratory failure may cause fear, anxiety, depression, and stress. Talk therapy, medicines, and support groups can help you feel better.

NIH: National Heart, Lung, and Blood Institute

Adenoids are a patch of tissue that is high up in the throat, just behind the nose. They, along with the tonsils, are part of the lymphatic system. The lymphatic system clears away infection and keeps body fluids in balance. The adenoids and tonsils work by trapping germs coming in through the mouth and nose.

Adenoids usually start to shrink after about age 5. By the teenage years, they are almost completely gone. By then, the body has other ways to fight germs.

Enlarged adenoids are adenoids that are swollen. It is a common problem in children.

Your child's adenoids can be enlarged, or swollen, for different reasons. It may just be that your child had enlarged adenoids at birth. Adenoids can also become enlarged when they are trying to fight off an infection. They might stay enlarged even after the infection is gone.

Enlarged adenoids can make it hard to breathe through the nose. Your child might end up breathing only through the mouth. This may cause:

• A dry mouth, which can also lead to bad breath
• Cracked lips
• A runny nose

Other problems that enlarged adenoids can cause include:

• Loud breathing
• Snoring
• Restless sleep
• Sleep apnea, a disorder that causes you to repeatedly stop breathing during sleep
• Ear infections

To find out if your child has enlarged adenoids, the health care provider will:

• Ask about your child's medical history, including asking about your child's symptoms
• Check your child's ears, throat, and mouth
• Feel your child's neck

Since the adenoids are higher up than the throat, the provider cannot see them just by looking through your child's mouth. To check the size of your child's adenoids, your provider may use:

• A special mirror in the mouth
• A long, flexible tube with a light (an endoscope)
• An x-ray

The treatment depends on what is causing the problem. If the symptoms are not too bad, your child may not need treatment. If treatment is needed, your child may get nasal spray to reduce the swelling or antibiotics if the provider thinks that there is a bacterial infection.

In some cases, your child may need an adenoidectomy.

An adenoidectomy is surgery to remove the adenoids. The provider may recommend this surgery if:

• Your child has repeated infections of the adenoids. Sometimes the infections can also cause ear infections and fluid buildup in the middle ear.
• Taking antibiotics doesn't get rid of a bacterial infection of the adenoids.
• The enlarged adenoids block the airways.

If there is also a problem with the tonsils, your child will probably have a tonsillectomy (removal of the tonsils) at the same time that the adenoids are removed.

After having the surgery, your child usually goes home the same day. Your child will probably have some throat pain, bad breath, and a runny nose. It can take several days to feel all better.

Anaphylaxis is a serious allergic reaction. It can begin very quickly, and symptoms may be life-threatening. The most common causes are reactions to foods (especially peanuts), medications, and stinging insects. Other causes include exercise and exposure to latex. Sometimes no cause can be found.

It can affect many organs:

• Skin - itching, hives, redness, swelling
• Nose - sneezing, stuffy nose, runny nose
• Mouth - itching, swelling of the lips or tongue
• Throat - itching, tightness, trouble swallowing, swelling of the back of the throat
• Chest - shortness of breath, coughing, wheezing, chest pain or tightness
• Heart - weak pulse, passing out, shock
• Gastrointestinal tract - vomiting, diarrhea, cramps
• Nervous system - dizziness or fainting

If someone is having a serious allergic reaction, call 911. If an auto-injector is available, give the person the injection right away.

Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from:

• Genetics
• Environmental factors
• Access to care
• Cultural factors

On this page, you'll find links to health issues that affect Asian Americans.