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Can syphilis affect your eyes

Author

Mia Smith

Published Mar 29, 2026

Ocular syphilis can involve almost any eye structure, but posterior uveitis and panuveitis are the most common. Additional manifestations may include anterior uveitis, optic neuropathy, retinal vasculitis and interstitial keratitis. Ocular syphilis may lead to decreased visual acuity including permanent blindness.

How can you tell if you have syphilis in your eye?

The Centers for Disease Control and Prevention defines ocular syphilis as clinical symptoms or signs consistent with ocular disease (eg, uveitis, panuveitis, diminished visual acuity, blindness, optic neuropathy, interstitial keratitis, anterior uveitis, or retinal vasculitis) in patients with syphilis of any stage.

How long does it take syphilis to affect eyes?

Syphilitic uveitis can occur as soon as 6 weeks after primary infection, and often follows resolution of other signs of secondary syphilis, or alternatively may be the only systemic sign of syphilis. On the other hand, uveitis may appear years after the initial infection during the late latent stage of syphilis.

Can syphilis cause an eye infection?

Ocular syphilis can occur at any stage of syphilis infection. Ocular syphilis can involve almost any part of the eye structure, however the uvea is the most common location. Symptoms include vision changes, decreased visual acuity, and permanent blindness.

Which STD can affect the eyes?

Chlamydia, gonorrhea, and syphilis are bacterial STIs that can spread to the eyes and cause problems like conjunctivitis or blindness.

Does ocular syphilis go away?

Although responsible for less than 5 percent of all cases of uveitis,2,3 syphilis should always be considered in the differential diagnosis of ocular inflammation, both because it is often curable and because accurate diagnosis and treatment prevents further spread of the infection.

How do you get syphilis in your eye?

Syphilis is caused by infection by the spirochete, Treponema pallidum. Ocular manifestations can occur at any stage of the disease with varied clinical presentations. Syphilis can involve almost any ocular structure, but posterior uveitis and panuveitis are the most common presentations.

How do you treat an eye STD?

Treatment. Chlamydial conjunctivitis can be treated with oral and/or topical antibiotics, such as eye drops or ointment. Most cases clear up within a few weeks, but in order for the infection to heal completely, it is critical to take the full dose of antibiotics as directed.

Can a std cause blurred vision?

Syphilis. Syphilis of the eye, also known as ocular syphilis, is less common than eye diseases caused by chlamydia or gonorrhea. It is caused by a bacterium known as Treponema pallidum. Eye infections caused by syphilis can cause redness, blurry vision, and blindness.

What STD can cause you to go blind?
  • A rare manifestation of syphilis that affects the eyes, called ocular syphilis, can lead to blindness.
  • Ocular syphilis may be on the rise the US, Brazil, Europe, Asia, and Australia.
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Can syphilis cause optic nerve damage?

Visual loss from optic nerve involvement can be the first manifestation of syphilis and HIV co-infection. Patients usually have optic disc oedema and mild visual dysfunction. Syphilitic optic neuropathy has an excellent prognosis if the disease is diagnosed promptly and treated properly.

How does syphilis affect the brain?

Individuals with meningeal syphilis can have headache, stiff neck, nausea, and vomiting. Sometimes there can also be loss of vision or hearing. Meningovascular syphilis ca… Neurosyphilis is a disease of the coverings of the brain, the brain itself, or the spinal cord.

What STD makes your eyes itch?

Chlamydia can also infect your eyes, causing redness, itching, or discharge. If you notice any of these symptoms, if your partner has been diagnosed with chlamydia or another STD, or if your partner has symptoms, check in with your doctor or nurse or contact your local Planned Parenthood health center.

How do you know if you have an STD in your eye?

If you have a chlamydia eye infection, also known as chlamydial conjunctivitis, the following symptoms may occur: redness. swelling. itching.

How long does it take to cure syphilis?

Like primary syphilis, the signs and symptoms of secondary syphilis go away on their own without treatment in 2 to 6 weeks.

Is ocular syphilis rare?

Ocular syphilis is a rare manifestation of a centuries-old disease that has had a resurgence in the US in the past decade, with a steadily increasing incidence. However, the vast majority of cases occur in patients that are HIV positive, men who have sex with men (MSM), or both.

What are the long term effects of syphilis?

Eventually, untreated syphilis can lead to damage to the brain, eyes, heart, nerves, bones, joints, and liver. You could also become paralyzed, blind, demented, or lose feeling in the body. Untreated syphilis can also lead to stillborn or developmentally delayed babies.

How long can you live with syphilis?

You’ll still be infected even if you don’t have symptoms. This is known as “latent syphilis” and it can last for decades and lead to serious problems if not treated. It’s still possible to pass on the infection during this stage, although this usually only happens within 2 years of becoming infected.

Can syphilis cause floaters?

The most common presenting ocular symptoms were blurred vision and the presence of new-onset floaters. Patients diagnosed with syphilis should be routinely asked about ocular symptoms, particularly if they have had a recent reduction of vision or new ‘spots’ in their vision.

What do syphilis sores look like?

The rash can show up when your primary sore is healing or several weeks after the sore has healed. The rash can look like rough, red, or reddish brown spots on the palms of your hands and/or the bottoms of your feet. The rash usually won’t itch and it is sometimes so faint that you won’t notice it.

What is secondary syphilis?

Secondary syphilis is characterized by a rash that appears from 2 to 8 weeks after the chancre develops and sometimes before it heals. Other symptoms may also occur, which means that the infection has spread throughout the body. A person is highly contagious during the secondary stage.

Can Stds cause pink eye?

Conjunctivitis sometimes results from a sexually transmitted disease (STD). Gonorrhea can bring on a rare but dangerous form of bacterial conjunctivitis. It can lead to vision loss if you don’t treat it. Chlamydia can cause conjunctivitis in adults.

What is neuro syphilis?

Neurosyphilis is a bacterial infection of the brain or spinal cord. It usually occurs in people who have had untreated syphilis for many years.

Can syphilis cause uveitis?

Syphilitic uveitis can occur at any stage of acquired syphilis. It can result in visual loss if it is unrecognized or if it is mistreated as a noninfectious ocular inflammation.

What is optic neuropathy?

Optic neuropathy is a catch-all term that refers to damage inflicted on the optic nerve in your eye. This is the nerve in the back of the eyeball that transfers visual information from your eye to the brain, allowing you to see. This condition is one that gets worse over time, when not treated.

Does syphilis make you insane?

Insanity due to syphilis has, in many cases, characteristics which though not easy to describe, are indicative of a specific origin. There is however a small proportion of syphilitic insanity that is represented by the usual forms of mental disorder.

Does syphilis show up on MRI?

In meningovascular syphilis, MRI is particularly useful in demonstrating meningeal enhancement, which tends to be patchy and thin. Angiography may show multifocal narrowing of the neurovasculature. Concentric narrowing of the small- and large-caliber vessels may be seen.

Can syphilis cause headaches?

The secondary syphilis rash is sometimes hard to see, and it usually doesn’t itch. You may feel sick and have mild flu-like symptoms, like a slight fever, feeling tired, sore throat, swollen glands, headache, and muscle aches. You can also have sores in your mouth, vagina, or anus, and weight or hair loss.

What is an eye stye?

A sty is a bacterial infection involving one or more of the small glands near the base of your eyelashes. It is similar to a boil or a pimple and is often painful. A sty is a red, painful lump near the edge of your eyelid that may look like a boil or a pimple. Sties are often filled with pus.