Saturday, November 25, 2006

Childhood Vaccines: What They Are and Why Your Child Needs Them

Childhood Vaccines: What They Are and Why Your Child Needs Them

What is a vaccine?
A vaccine is a medicine that's given to help prevent a disease. Vaccines help the body produce antibodies. These antibodies protect against the disease.
Vaccines not only help keep your child healthy, they help all children by stamping out serious childhood diseases.

Are vaccines safe?
Vaccines are generally quite safe. The very small risk of serious problems from vaccines is far outweighed by the protection they provide. Vaccines have made many serious childhood diseases rare today. Talk to your family doctor if you have any questions.

Do vaccines have side effects?
Some vaccines may cause mild temporary side effects such as fever, or soreness or a lump under the skin where the shot was given. Your family doctor will talk to you about possible side effects with certain vaccines.

What is the flu vaccine?
The flu vaccine is a shot. Your child can't get the flu from the vaccine because it contains viruses that are dead. This vaccine is given at the beginning of the flu season, usually in October or November. Because flu viruses change from year to year, it is very important for your child to get the shot each year so that he or she will be protected.
The flu vaccine is safe for children 6 months of age and older. If your child is between 6 and 23 months of age, it's especially important for him or her to get the flu vaccine each year. Children in this age group are more likely to have complications from the flu.

What is the DTaP vaccine?
The DTaP vaccine is 3 vaccines in 1 shot. It protects against diphtheria, tetanus and pertussis. It's given as a series of 5 shots.
Diphtheria is a disease that attacks the throat and heart. It can lead to heart failure and death. Tetanus is also called "lockjaw." It can lead to severe muscle spasms and death.
Pertussis (also called "whooping cough") causes severe coughing that makes it hard to breathe, eat and drink. It can lead to pneumonia, convulsions, brain damage and death.
Having your child immunized when he or she is young (which means making sure he or she gets all of the DTaP shots) protects your child against these diseases for about 10 years. After this time, your child will need booster shots.

What is the Td vaccine?
The Td vaccine is used as a booster to the DTaP vaccine. It helps prevent tetanus and diphtheria. It's given when your child is 11 years old or older and every 10 years throughout life.

What is the IPV vaccine?
The IPV (inactivated poliovirus) vaccine helps prevent polio. It's given 4 times as a shot. It has replaced the older oral polio vaccine.
Polio can cause muscle pain and paralysis of one or both legs or arms. It may also paralyze the muscles used to breathe and swallow. It can lead to death.

What is the MMR vaccine?
The MMR vaccine protects against the measles, mumps and rubella. It's given as 2 shots.
Measles causes fever, rash, cough, runny nose and watery eyes. It can also cause ear infections and pneumonia. Measles can also lead to more serious problems, such as brain swelling and even death.
Mumps causes fever, headache and painful swelling of one or both of the major saliva glands. Mumps can lead to meningitis (infection of the coverings of the brain and spinal cord) and, very rarely, to brain swelling. Rarely, it can cause the testicles of boys or men to swell, which can make them unable to have children.
Rubella is also called the German measles. It causes slight fever, a rash and swelling of the glands in the neck. Rubella can also cause brain swelling or a problem with bleeding.
If a pregnant woman catches rubella, it can cause her to lose her baby or have a baby who is blind or deaf, or has trouble learning.
Some people have suggested that the MMR vaccine causes autism. However, good research has shown that there is no link between autism and childhood vaccinations.

What is the Hib vaccine?
The Hib vaccine helps prevent Haemophilus influenza type b, a leading cause of serious illness in children. It can lead to meningitis, pneumonia and a severe throat infection that can cause choking. The Hib vaccine is given as a series of 3 or 4 shots.

What is the varicella vaccine?
The varicella vaccine helps prevent chickenpox. It is given to children once after they are 12 months old or to older children if they have never had chickenpox or been vaccinated. Booster shots may be given if found necessary by further research.

What is the HBV vaccine?
The HBV vaccine helps prevent hepatitis B virus (HBV), an infection of the liver that can lead to liver cancer and death. The vaccine is given as a series of 3 shots. The HBV vaccine and Hib vaccine can also be given together in the same shot.

What is the pneumococcal conjugate vaccine?
The pneumococcal conjugate vaccine (PCV) protects against a type of bacteria that is a common cause of ear infections. This bacteria can also cause more serious illnesses, such as meningitis and bacteremia (infection in the blood stream). Infants and toddlers are given 4 doses of the vaccine. The vaccine may also be used in older children who are at risk for pneumococcal infection.

What is the meningococcal conjugate vaccine?
The meningococcal conjugate vaccine (MCV4) protects against 4 strains ("types") of bacterial meningitis caused by the bacteria N. meningitidis. Bacterial meningitis is an infection of the fluid around the brain and spinal cord. It is a serious illness that can cause high fever, headache, stiff neck and confusion. It can also cause more serious complications, such as brain damage, hearing loss or blindness.
Children should get the MCV4 vaccine at 11 to 12 years of age. Children older than 12 who have not received the vaccine should receive it before starting high school.

When should my child be vaccinated?
Recommendations about when to have your child vaccinated change from time to time. You can get a copy of the most current vaccination schedule on the World Wide Web from an organization such as the American Academy of Family Physicians or the American Academy of Pediatrics, or you can ask your family doctor. Vaccinations usually start when your child is 2 months old and most are finished by the time he or she is 6 years old.

Are there any reasons my child should not be vaccinated?
In some special situations, children shouldn't be vaccinated. For example, some vaccines shouldn't be given to children who have certain types of cancer or certain diseases, or who are taking drugs that lower the body's ability to resist infection. The MMR vaccine shouldn't be given to children who have a serious allergy to eggs.
If your child has had a serious reaction to the first shot in a series of shots, your family doctor will probably talk with you about the pros and cons of giving him or her the rest of the shots in the series.

Talk to your doctor if you have any questions about whether your child should receive a vaccine.

Written by familydoctor.org editorial staff.
Source
American Academy of Family Physicians
Reviewed/Updated: 03/05Created: 1996

This article provides a general overview on this topic and may not apply to everyone. To find out if this article applies to you and to get more information on this subject, talk to your family doctor.

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