
Full Answer
Why is syphilis known as the great imitator?
carateum
- Yaws: caused by T. pallidum spp. pertenue
- Bejel (endemic syphilis): caused by T. pallidum spp. endemicum
- Pinta: caused by T. carateum
What are the dangers of syphilis?
The risk and mode of transmission can vary by the stage:
- During primary syphilis, the disease is passed by coming into contact with sores that may be firm round or painless.
- During secondary syphilis, the disease can be passed by coming into contact with the secondary rash.
- During latent syphilis, there are no signs of symptoms and the infection generally can not be spread.
Why is syphilis still sensitive to penicillin?
When an infection is allowed to progress to the late stage, irreversible damage can be caused to the organs of the body, which cannot be fixed by administration of penicillin for syphilis. Erythromycin is a substitute antibiotic for patients who are allergic to penicillin.
Why is syphilis so dangerous?
Syphilis also has increased nearly every year among MSM, for about two decades. If syphilis is not treated, it can cause serious health problems, including neuralgic (brain and nerve) problems, eye problems, and even blindness. In addition, syphilis is linked to an increased risk of transmission of HIV infection.

Which is the primary characteristic lesion of syphilis?
Primary syphilis is characterized by the development of a painless chancre at the site of transmission after an incubation period of 3-6 weeks. The lesion has a punched-out base and rolled edges and is highly infectious.
What are the 3 stages of syphilis quizlet?
Stages of SyphilisPrimary stage. During the primary stage, a sore ( chancre) that is usually painless develops at the site where the bacteria entered the body. ... Secondary stage. ... Latent (hidden) stage. ... Relapses of secondary syphilis. ... Tertiary (late) stage.
Where do the majority of chancres of syphilis appear on the body quizlet?
Most chancres are found on the penis of men and on the labia, fourchette, or cervix of women.
What is the clinical presentation of syphilis?
The disease starts as a painless sore — typically on the genitals, rectum or mouth. Syphilis spreads from person to person via skin or mucous membrane contact with these sores. After the initial infection, the syphilis bacteria can remain inactive in the body for decades before becoming active again.
What are the 4 stages of syphilis quizlet?
There are four stages of syphilis (primary, secondary, latent, and tertiary).
When do syphilis symptoms appear?
It can take 3 weeks or more for the symptoms of syphilis to appear after you're infected. Sometimes the symptoms can improve or go away completely, but if you have not been treated the infection is still in your body.
Which stage of syphilis is characterized by the appearance of a chancre?
Primary Stage A single chancre marks the onset of the primary (first) stage of syphilis, but there may be multiple sores. The chancre is usually (but not always) firm, round, and painless. It appears at the location where syphilis enters the body.
Which of the following is characteristic of the secondary stage of syphilis?
The characteristic rash from secondary syphilis appears as rough, reddish-brown spots that usually appear on the palms of the hands or bottoms of the feet. The rash is typically painless and does not itch. It may appear in one area of the body or spread to multiple areas.
Does syphilis cause skin lesions?
Primary stage syphilis sore (chancre) on the surface of a tongue. Lesions of secondary syphilis. Secondary stage syphilis sores (lesions) on the palms of the hands. Referred to as "palmar lesions."
What are the signs of syphilis in a man?
A person with primary syphilis generally has a sore or sores at the original site of infection. These sores usually occur on or around the genitals, around the anus or in the rectum, or in or around the mouth. These sores are usually (but not always) firm, round, and painless.
What is the conclusion of syphilis?
Syphilis is a curable disease, but can cause substantial morbidity and mortality if left untreated. Prompt diagnosis and treatment is important.
What are the differential diagnosis for syphilis?
Syphilis must be differentiated from other common diseases that cause rash such as measles, rubella, Kawasaki disease , and mononucleosis. Syphilis also has overlapping symptoms with the other genital infections such as chancroid, condyloma acuminata, genital warts, herpes simplex, and herpes zoster.
What is the deadliest STD Why?
The most dangerous viral STD is human immunodeficiency virus (HIV), which leads to AIDS.
What is a manifestation of tertiary syphilis?
Tertiary syphilis refers to gummas, cardiovascular syphilis, psychiatric manifestations (e.g., memory loss or personality changes), or late neurosyphilis.
Which of the following is characteristic of the secondary stage of syphilis?
The characteristic rash from secondary syphilis appears as rough, reddish-brown spots that usually appear on the palms of the hands or bottoms of the feet. The rash is typically painless and does not itch. It may appear in one area of the body or spread to multiple areas.
How can tertiary late syphilis be diagnosed?
Cerebrospinal fluid (CSF) testing is indicated in congenital and tertiary syphilis and when neurological symptoms are present. Blood contamination of CSF must be avoided because it may lead to false-positive CSF results. In congenital syphilis, venous samples from the mother and the child should be tested.
What are the two most infectious clinical manifestations of secondary syphilis?
The two most infectious clinical manifestations of secondary syphilis are: Condylomata lata and mucous patches. Diagnostic tests for syphilis include.
What is latent syphilis?
All of the above:Latent syphilis is a stage in which neither signs nor symptoms are present to suggest infection, yet spirochetes are present in the body. The diagnosis of latent syphilis is made on the basis of a confirmed positive serologic test and a negative physical exam.
What is hepatitis in the US?
a) Hepatitis refers to any viral infection of the liver, regardless of which viral family caused it . b) Hepatitis can result from both infectious and non-infectious causes. c) There are five major hepatitis viruses, three of which are prevalent in the US.
Which microorganisms infect the urethra and rectum of men and women?
Both C. trachomatis and N. gonorrhoeae infect only columnar or transitional cells. As a result, in the genital area, these microorganisms do infect the urethra and rectum of men and women, and the cervix of women. Largely because of this, both cause similar illnesses, including pelvic inflammatory disease (PID) in women.
Do chlamydiae contain DNA?
b) Like viruses, chlamydiae grow intracellularly, but unlike viruses, chlamydiae contain both DNA and RNA. c) Chlamydiae are "obligatory intracellular parasites" and survive only by a replication cycle that results in the death of the infected host.
