The combination of one or more deep and painful genital ulcers and tender suppurative inguinal adenopathy indicates the chancroid diagnosis; inguinal lymphadenitis typically occurs in <50% of cases (428). Chancroid (soft chancre) is a sexually transmitted infection that causes ulcers to form on your genitals. Treatment includes antibiotics.

Understanding the Context

Chancroid is a sexually transmitted infection (STI) caused by the small fastidious gram-negative bacterium Haemophilus ducreyi (H. ducreyi). It is characterised by painful genital ulcers and painful swollen lymph glands in the inguinal area. Chancroid is a sexually transmitted genital ulcer disease caused by the bacteria Haemophilus ducreyi (H.

Key Insights

ducreyi). It is extremely rare in the U.S. but associated with sporadic outbreaks. This topic will review the clinical manifestations, diagnosis, and treatment of chancroid. Topic reviews that discuss the approach to patients with genital ulcer disease, syphilis, and genital herpes are found elsewhere.

Final Thoughts

Chancroid is infection of the genital skin or mucous membranes caused by Haemophilus ducreyi and characterized by papules, painful ulcers, and enlargement of the inguinal lymph nodes leading to suppuration. Chancroid, caused by H. ducreyi has infrequently been associated with cases of genital ulcer disease in the US but has been isolated in up to 10% of genital ulcers diagnosed from sexually transmitted infection (STI) clinics in Memphis and Chicago. While both chancroid and herpes are sexually transmitted infections, they differ in several ways. While both cause sores, chancroid ulcers tend to be painful, produce lots of pus, and bleed... Chancroid is a rare sexually transmitted infection that causes painful genital ulcers.

There is no quick lab test for chancroid, so healthcare providers often diagnose it by ruling out other conditions. Antibiotics are used to treat chancroid, and early treatment can help prevent scarring. Chancroid is a bacterial sexually transmitted infection (STI) caused by Haemophilus ducreyi. It is characterized by painful necrotizing genital ulcers that may be accompanied by inguinal...