Pink eye is most often caused by a viral infection. It also can be caused by a bacterial infection, an allergic reaction or — in babies — an incompletely opened tear duct. Though pink eye can be irritating, it rarely affects your vision. Treatments can help ease the discomfort of pink eye.
Pink eye is most often caused by a virus. It usually occurs at the same time as or right after you have had a cold. Less commonly, pink eye can be caused by infection with bacteria. Dry air, allergies, smoke, and chemicals can also cause pink eye.
Viral: Pink eye caused by a virus usually clears up within 1 to 2 weeks. But it can take as long as 3 weeks. Bacterial: Even without treatment, mild bacterial conjunctivitis can resolve on its own within a week. More severe cases can take as long as 2 weeks.
Viral Conjunctivitis
The infection will usually clear up in 7 to 14 days without treatment and without any long-term consequences. However, in some cases, viral conjunctivitis can take 2 to 3 weeks or more to clear up.
Viral and bacterial conjunctivitis (pink eye) are very contagious. They can spread easily from person to person. You can greatly reduce the risk of getting conjunctivitis or spreading it to someone else by following some simple steps for good hygiene.
Stages of bacterial pink eye
A typical bacterial case may start like viral pink eye, with slight irritation and redness. Then drainage in the form of pus will become noticeable. This is usually white, yellow or yellow-green in color. As it dries, it will leave a crusty film on the eyelids.
There are plenty of eye conditions that have similar symptoms to pink eye. It's common to mistake allergies, styes, iritis, keratitis, and blepharitis for pink eye, but they can have different causes and require different treatments.
Stress does not cause pink eye, but one cause of viral conjunctivitis is the herpes virus, which stays dormant in a person's body and can be activated when they experience stress. This can lead to cold sores on the lip, skin rashes, or eye infections such as pink eye.
This is a popular myth amongst school-age pranksters that asserts a person who uses a pillowcase that a practical joker farted on will later contract pink eye. You cannot get pink eye from a fart. Flatulence is primarily methane gas and does not contain bacteria. Additionally, bacteria die quickly outside the body.
Like many viral infections, pink eye cannot be treated directly and must run its course. Symptoms are usually at their worst between three and five days after the infection begins.
Redness in one or both eyes. Itchiness in one or both eyes. A gritty feeling in one or both eyes. A discharge in one or both eyes that forms a crust during the night that may prevent your eye or eyes from opening in the morning.
Conjunctivitis is most often caused by germs such as viruses and bacteria. "Pink eye" most often refers to a highly contagious viral infection that spreads easily among children. Conjunctivitis can be found in people with COVID-19 before they have other typical symptoms.
Pink eye is more common in the winter months. Get top tips for preventing conjunctivitis.
A doctor can often determine whether a virus, bacterium, or allergen is causing the conjunctivitis (pink eye) based on patient history, symptoms, and an examination of the eye. Conjunctivitis always involves eye redness or swelling, but it also has other symptoms that can vary depending on the cause.
In most cases, you won't need antibiotic eye drops. Since conjunctivitis is usually viral, antibiotics won't help. They may even cause harm by reducing their effectiveness in the future or causing a medicine reaction. Instead, the virus needs time to run its course.
Pink eye, or conjunctivitis, causes swelling and redness in the inside of your eyelid and the white part of your eye. Your eye may also feel itchy and painful.
Does pink eye get worse before it gets better? Viral conjunctivitis (pink eye) symptoms often get worse on the second or third day before they start to get better. Viral conjunctivitis is also more likely to spread to both eyes than bacterial conjunctivitis, though the bacterial form can also sometimes spread.
Pink eye is spread by hand-to-eye contact or if the eye comes in contact with contaminated objects. Viral and bacterial conjunctivitis can also be spread through the air by coughing and sneezing.
Left untreated, certain types of pink eye (the bacterial varieties) can lead to infections of the cornea, eyelids and even tear ducts.
Putting your pink eyes to bed can help ease discomfort and speed healing. “Adequate sleep gives the eyes a break,” says Rubin Naiman, PhD. “During sleep, complex changes occur that replenish the eye's moisture and protection.” Aim to sleep at least 8 hours each night.