How do you know if an eye infection is viral or bacterial?

Your healthcare provider can tell whether you've got a bacterial or a viral infection by taking a sample of the discharge from your eye and sending it to a lab for testing.

How can you tell the difference between viral and bacterial eye infections?

Viral conjunctivitis usually lasts longer than bacterial conjunctivitis. If conjunctivitis does not resolve with antibiotics after 3 to 4 days, the physician should suspect that the infection is viral. Bacterial conjunctivitis is characterized by mucopurulent discharge with matting of the eyelids.

How do I know if my eye infection is viral?

What are the symptoms of a bacterial eye infection?

Symptoms of eye infections may include redness, itching, swelling, discharge, pain, or problems with vision. Treatment depends on the cause of the infection and may include compresses, eye drops, creams, or antibiotics.

Are most eye infections viral or bacterial?

Most cases of acute, infectious conjunctivitis in adults are viral and self-limited; these cases do not require antimicrobial treatment. Antiviral medication may be used to treat more serious forms of conjunctivitis, such as conjunctivitis caused by herpes simplex virus or varicella-zoster virus.

Acute Conjunctivitis (Pink Eye) | Allergic, Bacterial, Viral | Symptoms, Diagnosis, Treatment

How can doctors tell if pink eye is viral or bacterial?

Diagnosis. 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.

Is pink eye usually viral or bacterial?

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.

How do you rule out bacterial conjunctivitis?

Eye Culture

During this test, your doctor takes a sample of the cells on the inside of your eyelids with a cotton swab and sends it to a laboratory to be examined by a pathologist. A pathologist, who studies diseases under a microscope, can determine whether your conjunctivitis is caused by viruses or bacteria.

Will eye infections go away without antibiotics?

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. A doctor can prescribe antiviral medication to treat more serious forms of conjunctivitis.

Can a bacterial eye infection go away on its own?

However, according to ophthalmologists bacterial conjunctivitis often goes away on its own, and the practice of treating everyone “just in case” is irresponsible.

How do you get rid of a viral eye infection?

How do you treat a viral eye infection?

Viral conjunctivitis.

Your doctor may prescribe antiviral eye drops, such as acyclovir (Zovirax) or trifluridine (Viroptic) or artificial tears. Treatment is supportive and may include ocular decongestants and artificial tears. Cold compresses applied 3 times daily for 1 to 3 weeks may relieve discomfort.

Do you need antibiotics for viral conjunctivitis?

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.

Are bacterial eye infections itchy?

Your eyes are vulnerable to viral, bacterial, and fungal infections — all of which can bring on itchy eyes. One of the more common eye infections is conjunctivitis, also known as pink eye because the white part of the infected eye turns pink.

Is viral pink eye less contagious than bacterial?

Viral pink eye is contagious before symptoms appear and for as long as symptoms are present. Bacterial pink eye is contagious as long as someone is symptomatic, if there is discharge from the eye, or until 24 hours after starting antibiotics. Allergic conjunctivitis and irritant conjunctivitis are not contagious.

How do I know if my eye infection is serious?

If a person has signs of an eye infection, they should contact a doctor. Severe symptoms, such as extreme pain or a sudden loss of vision, require emergency medical care. Likewise, if symptoms of a stye, blepharitis, or conjunctivitis fail to improve with home care, people should see a doctor.

When should I see a doctor for an eye infection?

Make a doctor's appointment

Contact your doctor for an appointment if you have red eye that doesn't clear up after several days, especially if you have a thick or nearly continuous pus or mucous discharge.

What is the fastest way to cure an eye infection?

Salt water, or saline, is one of the most effective home remedies for eye infections. Saline is similar to teardrops, which is your eye's way of naturally cleansing itself. Salt also has antimicrobial properties. Because of this, it only stands to reason that saline can treat eye infections effectively.

How do you tell if it's allergic conjunctivitis or bacterial?

Differences. Intense itching of the eyes is a symptom only associated with eye allergies. Pink eye caused by viral conjunctivitis often starts in one eye and spreads to the other, while eye allergies usually affect both eyes at once.

Should I stay home with bacterial conjunctivitis?

If you have conjunctivitis but do not have fever or other symptoms, you may be allowed to remain at work or school with your doctor's approval. However, if you still have symptoms, and your activities at work or school include close contact with other people, you should not attend.

What happens if bacterial conjunctivitis is not treated?

In severe infections, oral antibiotics are necessary. Covering the eye is not a good idea because that incubates the germs. If left untreated, conjunctivitis can create serious complications, such as infections in the cornea, lids and tear ducts.

What color is viral pink eye?

People often call conjunctivitis “pink eye” because it can cause the white of the eye to take on a pink or red color. Symptoms of pink eye can vary but typically include redness or swelling of the white of the eye.

Is viral pink eye worse than bacterial conjunctivitis?

Viral basically means you have a cold in your eye — in fact, you'll often have it along with a cold or upper respiratory infection. Bacterial pink eye often occurs along with an ear or strep infection. It usually causes a lot more mucus and irritation than other pink eye causes.

What is the best antibiotic for eye infection?

Azithromycin ophthalmic (eye) solution is used to treat infections of the eye, such as bacterial conjunctivitis. Azithromycin belongs to a group of medicines called macrolide antibiotics. It works by killing bacteria that cause conjunctivitis.

Do eye drops help viral conjunctivitis?

No drops or ointments can treat viral conjunctivitis. Antibiotics will not cure a viral infection. Like a common cold, the virus has to run its course, which may take up to two or three weeks. Symptoms can often be relieved with cool compresses and artificial tear solutions.