Cure for the Common Cold:
How to hold your own against colds and flu
by Michelle Meadows, US Food & Drug Administration
This time of year presents plenty of
opportunities for viruses to spread. Chilly weather keeps
more of us indoors at the same time, and the holiday season
brings together family members of all ages. Common Colds and
flu (influenza) can occur anytime, but appear mostly in
the fall and winter.
For most people, viral respiratory illnesses
are usually self-limited and last only a few days. But
along with making millions of us feel lousy every year,
colds and flu can cause serious problems and can even
be deadly. The flu leads to more than 100,000 hospitalizations
each year and about 20,000 deaths, according to the Centers
for Disease Control and Prevention (CDC). Death rates
are highest for people aged 65 and up and for those with
medical conditions that put them at increased risk for
flu complications.
Here are tips to ward off colds and flu
and to ease the misery if they strike:
Lowering the Chance of Infection
Get a flu shot.
A vaccine against colds hasn't been developed
because colds can be caused by many types of viruses.
But the flu vaccine remains the best way to prevent and
control the flu.
Influenza viruses are classified as types
A, B, or C. Type A and B viruses are the most serious
because they are the ones most often responsible for cases
of the flu and all of its complications. Type C viruses
are mostly associated with cold symptoms.
Flu season in the United States runs
from November to April. October to November is the usual
vaccination time for most people. "But you can also get
good results when the vaccine is used in December and
January, even if influenza is already starting to spread
through a community," says Roland A. Levandowski, M.D.,
a medical officer and virologist in the Food and Drug
Administration's Center for Biologics Evaluation and Research.
We need a new flu shot every year because the predominant
flu viruses change every year.
The protective effect of the vaccine
starts working rapidly in people who have been previously
infected with flu viruses or have received a flu shot
in the past. Infection-fighting antibodies in the blood
reach a peak about three weeks after these people get
the shot. But for some, such as children younger than
9 who haven't been previously vaccinated, two doses of
the influenza vaccine about a month apart are recommended
for the first vaccination. In older people and in those
with chronic illnesses, the shot may not necessarily prevent
the flu, but can reduce the symptoms and risk of complications
if you do get sick.
The flu vaccine is made of killed virus
and can't cause the flu. The most common side effect is
soreness at the injection site. The flu shot is not recommended
for certain people, including those allergic to eggs.
The viruses for flu vaccines are grown in eggs.
Researchers continue to hold out hope
for a nasal spray flu vaccine, which is still being tested.
The nasal spray vaccine may boost immunization rates,
especially for children, who are most likely to spread
the flu virus.
Wash your hands.
Both common colds and flu can be passed through
coughing, sneezing, and touching surfaces such as doorknobs
and telephones. So it's wise to make a habit of washing
your hands and teach children to do the same. This helps
you prevent spreading respiratory infections and picking
them up from someone else.
According to the American Society for
Microbiology, a national survey found that Americans were
most likely to say they wash their hands after changing
a diaper and before handling food. Most, however, said
they don't wash their hands after coughing and sneezing.
The CDC recommends regular scrubbing
of your hands with warm, soapy water for about 15 seconds.
Touching your nose, mouth, and eyes with contaminated
hands makes it easy for common cold and flu viruses to enter
the body. Others can become ill by just coming in contact
with someone who has become infected with a cold or flu
virus or who has come in contact with a contaminated area.
Limit exposure to infected people.
Sometimes people are infected with a
common cold virus and they don't know it because they haven't experienced
symptoms yet. If possible, avoid people who you know have
colds and flu. Keep infants away from crowds for the first
few months of life. "This is especially important for
premature babies who may have underlying abnormalities
like lung disease and heart disease," says Larry Pickering,
M.D., a fellow of the American Academy of Pediatrics and
a pediatrician in Atlanta.
If keeping your distance is too difficult--say
in the case of parents who can't help but hold and kiss
their sick kids--then, in addition to washing your hands
frequently, you can keep surfaces clean with a virus-killing
disinfectant available at the grocery store. A solution
of 1 part bleach mixed with 10 parts water also is effective
in killing viruses.
Practice healthy habits.
Eating a balanced diet, getting enough
sleep, and exercising can help the immune system better
fight off the germs that cause illness. Because smoking
interferes with the mechanisms that keep bacteria and
debris out of the lungs, those who use tobacco or who
are exposed to secondhand smoke are more prone to respiratory
illnesses and more severe complications than nonsmokers.
If you've been feeling run down, some
stress management might not be a bad idea. David Skoner,
M.D., chief of allergy and immunology at Children's Hospital
in Pittsburgh, has studied the effects of chronic stress
on susceptibility to cold and flu infections. "We've found
that people who experience more stress are more likely
to get sick and experience worse symptoms," he says. Examples
of chronic stress are personal crises such as going through
a divorce or feeling stuck in a bad job.
"Research has also shown that the more
social you are, the less likely you are to catch the common cold,"
Skoner says. It could be because having more social contacts
and support is less stressful than keeping to yourself,
he says.