what is primary syphilitic lesion?
A primary syphilitic lesion is the first sign that appears when someone is infected with syphilis. It usually shows up as a small, painless sore at the site where the bacteria entered the body, such as the genitals, mouth, or anus.
Although the sore may seem minor, it carries a bacterial infection known as Treponema pallidum. The problem is that the sore disappears on its own within weeks, which may lead some to believe they are cured, while the infection has already started spreading inside the body.
what are the causes of primary syphilitic lesion?
There are several common causes of primary syphilitic lesion, including:
- Vaginal, oral, or anal sex with an infected person.
- Direct contact with a syphilitic sore, even without penetration.
- Transmission from a pregnant mother to her baby through the placenta.
- Skin cuts or abrasions that come into contact with the infected area.
- Not using protection such as condoms.
what are the common symptoms of primary syphilitic lesion?

There are several symptoms that patients may experience, including:
- A small, painless sore at the site of bacterial entry.
- The sore is often firm and round and may go unnoticed.
- In men, it usually appears on the penis or rectum.
- In women, it may appear in the vagina, cervix, or between the vagina and anus.
- The sore may disappear on its own within 3 to 6 weeks.
- Disappearance of the sore does not mean the disease is gone; it may progress to a more serious stage.
when should you see a doctor?
You should consult a doctor in the following cases:
- Appearance of a painless sore in the genital area or mouth.
- History of sexual contact with an infected or unknown-status partner.
- Unexplained symptoms such as skin rash or swollen glands.
- If pregnant and suspecting an infection.
- Appearance of unusual skin symptoms after sexual activity.
how is primary syphilitic lesion diagnosed?
The disease can be diagnosed using several methods, including:
- Clinical examination where the doctor observes the sore and its location.
- Blood tests to detect antibodies against the bacteria.
- Sample testing from the sore sent to the lab to identify the bacteria.
- Additional tests such as RPR or VDRL to confirm the infection.
what are the available treatments for primary syphilitic lesion?
There are several treatment options for the disease, including:
- Intramuscular injection of penicillin, which is the most effective treatment.
- If allergic to penicillin, alternatives include tetracycline, minocycline, or doxycycline.
- Avoid sexual activity until treatment is fully completed.
- Follow-up with the doctor to ensure complete recovery.
can primary syphilitic lesion be cured?
Yes, complete recovery from primary syphilitic lesion is possible if diagnosed early and treated properly.
Penicillin is highly effective in eliminating the bacteria, and most cases respond to treatment within days.
However, delayed diagnosis may lead to the disease progressing to more complex stages that are harder to treat.
what are the prevention tips for primary syphilitic lesion?
There are several tips to help prevent the disease, including:
- Use condoms in every sexual encounter.
- Avoid sexual relationships with multiple partners.
- Get regular checkups for sexually transmitted infections.
- Refrain from sexual activity when any unusual symptoms appear.
- Communicate openly with your partner about health status.
what are the possible complications of primary syphilitic lesion?
Some side effects and complications may occur, including:
- Progression to secondary and tertiary stages of syphilis.
- Damage to the central nervous system.
- Heart and brain problems.
- Hearing or vision loss.
- In pregnancy: miscarriage or birth of a baby with deformities.
- Chronic infection that may lead to death in neglected cases.
frequently asked questions about primary syphilitic lesion
Can the sore disappear without treatment?
Yes, but that does not mean recovery. The disease may enter a more dangerous stage.
Can someone be infected without showing symptoms?
Yes, some cases show no clear symptoms.
Can syphilis be transmitted through kissing?
Rarely, but possible if there is a sore in the mouth.
Is there a vaccine for syphilis?
No, there is currently no vaccine. Prevention depends on safe sexual behavior.