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Pinkeye (also called conjunctivitis) is redness and swelling of the
conjunctiva, the mucous membrane that lines the eyelid and eye surface. The
lining of the eye is usually clear. If irritation or infection occurs, the
lining becomes red and swollen. See pictures of a normal
eye and an eye with
conjunctivitis.
Pinkeye is very common. It
usually is not serious and goes away in 7 to 10 days without medical
treatment.
Most cases of pinkeye are caused by:
Infections caused by
viruses or bacteria.
Dry eyes from lack
of tears or exposure to wind and sun.
Viral and bacterial pinkeye are contagious and spread very
easily. Since most pinkeye is caused by viruses for which there is usually no
medical treatment, preventing its spread is important. Poor hand-washing is the
main cause of the spread of pinkeye. Sharing an object, such as a washcloth or
towel, with a person who has pinkeye can spread the infection. For more information, see Prevention .
Viral pinkeye
Viral pinkeye is often caused by an adenovirus, which is a common
respiratory virus that can also cause a sore throat or upper respiratory
infection. The herpes virus can also cause viral pinkeye.
Symptoms of viral pinkeye include:
Redness in the white of the eye.
Swelling of the eyelids.
Itching or burning feeling of the
eyelids.
Swollen and tender areas in front of the
ears.
A lot of tearing.
Clear or slightly thick,
whitish drainage.
Viral pinkeye symptoms usually last 5 to 7 days but may last up to
3 weeks and can become ongoing or chronic.
Pinkeye may be more serious if you:
Have a condition that decreases your body's
ability to fight infection (impaired immune system).
Have vision in only one eye.
Wear contact
lenses.
If the pinkeye is caused by a
virus, the person can usually return to day care,
school, or work when symptoms begin to improve, typically in 3 to 5 days.
Medicines are not usually used to treat viral pinkeye, so it is important to
prevent the spread of the infection. Pinkeye caused by a herpes virus, which is
rare, can be treated with an antiviral medicine. Home treatment of viral
pinkeye symptoms can help you feel more comfortable while the infection goes
away.
Bacterial pinkeye
An infection may develop when bacteria enter the eye or the area
around the eye. Some common infections that cause pinkeye include:
Swelling of the upper eyelid, which may make the lid
appear to droop (pseudoptosis).
Bacterial pinkeye may cause more drainage than viral pinkeye.
Bacterial infections usually last 7 to 10 days without antibiotic treatment and
2 to 4 days with antibiotic treatment. The person can usually return to day care,
school, or work 24 hours after an
antibiotic has been started if symptoms have improved.
Prescription antibiotic treatment usually kills the bacteria that cause
pinkeye.
Red eye
Red eye is a more
general term that includes not only pinkeye but also many other problems that
cause redness on or around the eye, not just the lining. Pinkeye is the main
cause of red eye. Red eye has other causes, including:
Foreign bodies, such as metal or insects. For
more information, see the topic
Objects in the Eye .
Scrapes, sores, or
injury to or infection of deeper parts of the eye (for example, uveitis,
iritis, or keratitis). For more information, see the topic
Eye Injuries .
This is worse than the eye feeling gritty or a little irritated. This actually may make it hard to keep the eye open.
Yes
Feels like something is in eye
No
Feels like something is in eye
Is it very hard or impossible to open the eye because of the discomfort?
Yes
Hard to open eye because of discomfort with feeling something in eye
No
Hard to open eye because of discomfort with feeling something in eye
Is there any redness in the part of the eye that's usually white?
This does not include a blood spot on the eye.
Yes
Redness in part of eye that's usually white
No
Redness in part of eye that's usually white
Has the eye been red for more than 24 hours?
Yes
Eye red for more than 24 hours
No
Eye red for more than 24 hours
Do you think the eyelid or the skin around the eye may be infected?
Symptoms could include redness, pus, increasing pain, or a lot of swelling. (A small bump or pimple on the eyelid, called a stye, usually is not a problem.) You might also have a fever.
Is there any pus coming from the area around the eye (not from the eye itself)?
Yes
Pus from area around eye
No
Pus from area around eye
Is there any blood in the eye?
This includes blood spots on the surface of the eye.
Yes
Blood spot or blood in eye
No
Blood spot or blood in eye
Is there any blood in the colored part of the eye?
Blood that is only in the white part of the eye is usually not as serious as blood in the colored part of the eye.
Yes
Blood is in colored part of eye
No
Blood is in colored part of eye
Does the blood cover more than one-fourth of the white part of the eye?
Yes
Blood covers more than one-fourth of white of the eye
No
Blood covers more than one-fourth of white of the eye
Is there any new drainage from the eyes?
Yes
New drainage from eyes
No
New drainage from eyes
Is there any pus or thick drainage coming from the eye (not from the skin around the eye)?
This does not include water or thin, watery drainage. Pus is thicker and may make the eyelids stick together.
Yes
Pus draining from eye
No
Pus draining from eye
Have you had this type of drainage for more than 24 hours?
Yes
Drainage for more than 24 hours
No
Drainage for more than 24 hours
Are you having a contact lens problem?
Yes
Contact lens problem
No
Contact lens problem
Can you remove the contact lenses?
Yes
Able to remove contact lenses
No
Unable to remove contact lenses
Does removing the contact lenses make the eye problem better?
Yes
Removing contact lenses helps
No
Removing contact lenses helps
Have you had eye problems for more than 2 weeks?
Yes
Eye problems for more than 2 weeks
No
Eye problems for more than 2 weeks
Many things can affect how your body responds to a symptom and what kind
of care you may need. These include:
Your age. Babies and older
adults tend to get sicker quicker.
Your overall health. If you have a condition such as diabetes, HIV, cancer, or heart
disease, you may need to pay closer attention to certain symptoms and seek care
sooner.
Medicines you take. Certain
medicines, herbal remedies, and supplements can cause symptoms or make them
worse.
Recent health events, such as surgery
or injury. These kinds of events can cause symptoms afterwards or make them
more serious.
Your health habits and lifestyle, such as eating and exercise habits, smoking, alcohol or drug
use, sexual history, and travel.
Try Home Treatment
You have answered all the questions. Based on your answers, you may be
able to take care of this problem at home.
Try home treatment to relieve the
symptoms.
Call your doctor if symptoms get worse or you have any
concerns (for example, if symptoms are not getting better as you would expect).
You may need care sooner.
Mental changes, such as feeling confused or much less
alert.
Extreme fatigue (to the point where it's hard for you to
function).
Shaking chills.
Symptoms of serious illness in a baby
may include the following:
The baby is limp and floppy like a rag doll.
The baby doesn't respond at all to being held, touched, or talked
to.
The baby is hard to wake up.
Pain in adults and older children
Severe pain (8 to 10): The pain
is so bad that you can't stand it for more than a few hours, can't sleep, and
can't do anything else except focus on the pain.
Moderate pain (5 to 7): The pain is bad enough to disrupt your
normal activities and your sleep, but you can tolerate it for hours or days.
Moderate can also mean pain that comes and goes even if it's severe when it's
there.
Mild pain (1 to 4): You notice the pain,
but it is not bad enough to disrupt your sleep or activities.
Pain in children under 3 years
It can be hard to tell how much pain a baby or toddler is in.
Severe pain (8 to 10): The
pain is so bad that the baby cannot sleep, cannot get comfortable, and cries
constantly no matter what you do. The baby may kick, make fists, or
grimace.
Moderate pain (5 to 7): The baby is
very fussy, clings to you a lot, and may have trouble sleeping but responds
when you try to comfort him or her.
Mild pain (1 to 4): The baby is a little fussy and clings to you a little but responds
when you try to comfort him or her.
Certain health conditions and medicines weaken the immune system's ability to fight off infection and
illness. Some examples in adults are:
Diseases such as diabetes, cancer, heart disease,
and HIV/AIDS.
Long-term alcohol and drug
problems.
Steroid medicines, which may be used to treat a variety
of conditions.
Chemotherapy and radiation therapy for
cancer.
Other medicines used to treat autoimmune
disease.
Medicines taken after organ transplant.
Not
having a spleen.
Certain health conditions and medicines weaken the immune system's ability to fight off infection and
illness. Some examples in children are:
Diseases such as diabetes, cystic fibrosis, sickle
cell disease, and congenital heart disease.
Steroid medicines,
which are used to treat a variety of conditions.
Medicines taken
after organ transplant.
Chemotherapy and radiation therapy for
cancer.
Not having a spleen.
Seek Care Now
Based on your answers, you may need care right away. The problem is likely to get worse without medical care.
Call your doctor now to discuss the symptoms and
arrange for care.
If you cannot reach your doctor or you don't have
one, seek care in the next hour.
You do not need to call an
ambulance unless:
You cannot travel safely either by driving
yourself or by having someone else drive you.
You are in an area
where heavy traffic or other problems may slow you down.
Make an Appointment
Based on your answers, the problem may not improve without medical
care.
Make an appointment to see your doctor in the
next 1 to 2 weeks.
If appropriate, try home treatment while you
are waiting for the appointment.
If symptoms get worse or you have
any concerns, call your doctor. You may need care sooner.
Home treatment for
pinkeye will help reduce your pain and keep your eye
free of drainage. If you wear contacts, remove them and wear glasses until your
symptoms have gone away completely. Thoroughly clean your contacts and storage
case.
Cold compresses or
warm compresses (whichever feels best) can be used. If
an allergy is the problem, a cool compress may feel better. If the pinkeye is
caused by an infection, then a warm, moist compress may soothe your eye and help
reduce redness and swelling. Warm, moist compresses can spread infection from
one eye to the other. Use a different compress for each eye, and use a clean
compress for each application.
When cleaning your eye,
wipe from the inside (next to the nose) toward the outside. Use a clean surface
for each wipe so that drainage being cleaned away is not rubbed back across the
eye. If tissues or wipes are used, make sure they are put in the trash and are not
allowed to sit around. If washcloths are used to clean the eye, put them in the
laundry right away so that no one else picks them up or uses them. After wiping
your eye, wash your hands to prevent the pinkeye from spreading.
After pinkeye has been diagnosed:
To learn how to prevent the spread of pinkeye, see Prevention .
Do not go to day care or school or go to work until pinkeye
has improved.
If the pinkeye is caused by a
virus, the person can usually return to day care,
school, or work when symptoms begin to improve, typically in 3 to 5 days.
Medicines are not usually used to treat viral pinkeye, so preventing its spread
is important. Home treatment of the symptoms will help you feel more
comfortable while the infection goes away.
If the pinkeye is caused
by bacteria, the person can usually return to day care,
school, or work after the infection has been treated for 24 hours with an
antibiotic and symptoms are improving. Prescription
antibiotic treatment usually kills the bacteria that cause pinkeye.
Use medicine as directed. Medicine may include
eyedrops and
eye ointment.
For pinkeye related to allergies,
antihistamines, such as loratadine (Claritin) or cetirizine (Zyrtec), may help relieve your symptoms. Don't
give antihistamines to your child unless you've checked with the doctor first.
Symptoms to watch for during home treatment
Call your doctor if any of the following occur during home
treatment:
If you wear contacts, be sure to remove your contacts when your eye problem starts.
Prevention
Pinkeye is spread through contact with
the eye drainage, which contains the virus or bacteria that caused the pinkeye.
Touching an infected eye leaves drainage on your hand. If you touch your other
eye or an object when you have drainage on your hand, the virus or bacteria can
be spread.
The following tips help prevent the spread of
pinkeye.
Do not use eye
makeup until the infection is fully cured, because you could reinfect yourself
with the eye makeup products. If your eye infection was caused by bacteria or a
virus, throw away your old makeup and buy new products.
Do not
share contact lens equipment, containers, or solutions.
Do not wear
contact lenses until the infection is cured. Thoroughly clean your contacts
before wearing them again.
Do not share eye
medicine.
Do not share towels, linens, pillows, or handkerchiefs.
Use clean linens, towels, and washcloths daily.
Wash your hands and
wear gloves if you are looking into someone else's eye for a foreign object or
helping someone else apply an eye medicine.
When in the wind, heat, or cold, wear eye protection
to prevent eye irritation.
ByHealthwise Staff Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine Kathleen Romito, MD - Family Medicine Specialist Medical ReviewerAdam Husney, MD - Family Medicine
This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use . Learn how we develop our content .
