BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuChancroidSoft chancre; Ulcus molle; Sexually transmitted disease - chancroid; STD - chancroid; Sexually transmitted infection - chancroid; STI - chancroidChancroid is a bacterial infection that is spread through sexual contact. Causes Chancroid is caused by a bacterium called Haemophilus ducreyi.The infection is found in many parts of the world, such as Africa and southwest Asia. The infection is uncommon in the United States. Most people in the United States who are diagnosed with chancroid get it outside the country in areas where the infection is more common. Symptoms Within 1 day to 2 weeks after becoming infected, a person will get a small bump on the genitals. The bump becomes an ulcer within a day after it first appears. The ulcer:UlcerErosion is a breakdown of the outer layers of the skin, usually because of a: CutScrapeInflammationImageRead Article Now Book Mark Article Ranges in size from 1/8 inch to 2 inches (3 millimeters to 5 centimeters) in diameter Is painful Is soft Has sharply defined borders Has a base that is covered with a gray or yellowish-gray material Has a base that bleeds easily if it is bumped or scraped About one half of infected men have only a single ulcer. Women often have 4 or more ulcers. The ulcers appear in specific locations.Common locations in men are:Foreskin Groove behind the head of the penis Shaft of the penis Head of the penis Opening of the penis ScrotumScrotumThe scrotum is a part of a male's body that is located below the penis. The scrotum is the sac (pouch) that contains the testes, epididymis, and the...ImageRead Article Now Book Mark Article In women, the most common location for ulcers is the outer lips of the vagina (labia majora). "Kissing ulcers" may develop. Kissing ulcers are those that occur on opposite surfaces of the labia.Ulcers also may form on the:Inner vagina lips (labia minora) Area between the genitals and the anus (perineal area) Inner thighsThe most common symptoms in women are pain with urination and intercourse.The ulcer may look like the sore of primary syphilis (chancre).Primary syphilisSyphilis is a bacterial infection that is most often spread through sexual contact.ImageRead Article Now Book Mark Article About one half of the people who are infected with a chancroid develop enlarged lymph nodes in the groin.In one half of people who have swelling of the groin lymph nodes, the nodes break through the skin and cause draining abscesses. The swollen lymph nodes and abscesses are also called buboes.AbscessesAn abscess is a collection of pus in any part of the body. In most cases, the area around an abscess is swollen and inflamed.ImageRead Article Now Book Mark Article Swollen lymph nodesLymph nodes are present throughout your body. They are an important part of your immune system. Lymph nodes help your body recognize and fight germ...ImageRead Article Now Book Mark Article Exams and Tests Your health care provider diagnoses chancroid by:Looking at the ulcer(s) Checking for swollen lymph nodes Testing (ruling out) for other sexually transmitted infections (STIs)There is no blood test for chancroid. Treatment The infection is treated with antibiotics including ceftriaxone and azithromycin. Large lymph node swellings may need to be drained, either with a needle or local surgery. Outlook (Prognosis) Chancroid can get better on its own. Some people have months of painful ulcers and draining. Antibiotic treatment often clears up the lesions quickly with very little scarring. Possible Complications Complications include urethral fistulas and scars on the foreskin of the penis in uncircumcised males. People with chancroid should also be checked for other sexually transmitted infections, including but not limited to syphilis, HIV, and genital herpes.FistulasA fistula is an abnormal connection between two body parts, such as an organ or blood vessel and another structure. Fistulas are usually the result ...ImageRead Article Now Book Mark Article PenisThe penis is the male organ used for urination and sexual intercourse. The penis is located above the scrotum. It is made of spongy tissue and bloo...ImageRead Article Now Book Mark Article SyphilisSyphilis is a bacterial infection that is most often spread through sexual contact.ImageRead Article Now Book Mark Article HIVHuman immunodeficiency virus (HIV) is the virus that causes acquired immunodeficiency syndrome (AIDS). When a person becomes infected with HIV, the ...ImageRead Article Now Book Mark Article Genital herpesGenital herpes is a sexually transmitted infection. It is caused by the herpes simplex virus (HSV). This article focuses on HSV type 2 infection....ImageRead Article Now Book Mark Article In people with HIV, chancroid may take much longer to heal. When to Contact a Medical Professional Contact your provider for an appointment if:You have symptoms of chancroid. You have had sexual contact with a person who you know has an STI. You have engaged in high-risk sexual practices. Prevention Chancroid is spread by sexual contact with an infected person. Avoiding all forms of sexual activity is the only absolute way to prevent an STI.However, safer sex behaviors may reduce your risk. The proper use of condoms, either the male or female type, greatly decreases the risk of catching an STI. You need to wear the condom from the beginning to the end of each sexual activity.Safer sex behaviorsSafe sex means taking steps before and during sex that can prevent you from getting an infection, or from giving an infection to your partner....ImageRead Article Now Book Mark Article MaleA condom is a thin cover worn on the penis during intercourse. Using a condom will help prevent:Female partners from becoming pregnant. Getting an i...ImageRead Article Now Book Mark Article FemaleThe female condom is a device used for birth control. Like a male condom, it creates a barrier to prevent the sperm from getting to the egg....ImageRead Article Now Book Mark Article Open ReferencesReferencesMicheletti RG, James WD, Elston DM, McMahon PJ. Bacterial infections. In: James WD, Elston DM, McMahon PJ, eds. Andrews' Diseases of the Skin Clinical Atlas. 2nd ed. St Louis, MO: Elsevier; 2023:chap 14.Murphy TF. Haemophilus species including H. influenzae and H. ducreyi (chancroid). In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 225.AllVideoImagesTogMale and female reproductive systems - illustration The male and female reproductive systems, viewed from a mid-sagittal section. Male and female reproductive systemsillustrationMale and female reproductive systems - illustration The male and female reproductive systems, viewed from a mid-sagittal section. Male and female reproductive systemsillustrationRelated Information Penis(Special Topic) Review Date: 8/26/2023 Reviewed By: Jatin M. Vyas, MD, PhD, Associate Professor in Medicine, Harvard Medical School; Associate in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. 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ChancroidSoft chancre; Ulcus molle; Sexually transmitted disease - chancroid; STD - chancroid; Sexually transmitted infection - chancroid; STI - chancroidChancroid is a bacterial infection that is spread through sexual contact. Causes Chancroid is caused by a bacterium called Haemophilus ducreyi.The infection is found in many parts of the world, such as Africa and southwest Asia. The infection is uncommon in the United States. Most people in the United States who are diagnosed with chancroid get it outside the country in areas where the infection is more common. Symptoms Within 1 day to 2 weeks after becoming infected, a person will get a small bump on the genitals. The bump becomes an ulcer within a day after it first appears. The ulcer:UlcerErosion is a breakdown of the outer layers of the skin, usually because of a: CutScrapeInflammationImageRead Article Now Book Mark Article Ranges in size from 1/8 inch to 2 inches (3 millimeters to 5 centimeters) in diameter Is painful Is soft Has sharply defined borders Has a base that is covered with a gray or yellowish-gray material Has a base that bleeds easily if it is bumped or scraped About one half of infected men have only a single ulcer. Women often have 4 or more ulcers. The ulcers appear in specific locations.Common locations in men are:Foreskin Groove behind the head of the penis Shaft of the penis Head of the penis Opening of the penis ScrotumScrotumThe scrotum is a part of a male's body that is located below the penis. The scrotum is the sac (pouch) that contains the testes, epididymis, and the...ImageRead Article Now Book Mark Article In women, the most common location for ulcers is the outer lips of the vagina (labia majora). "Kissing ulcers" may develop. Kissing ulcers are those that occur on opposite surfaces of the labia.Ulcers also may form on the:Inner vagina lips (labia minora) Area between the genitals and the anus (perineal area) Inner thighsThe most common symptoms in women are pain with urination and intercourse.The ulcer may look like the sore of primary syphilis (chancre).Primary syphilisSyphilis is a bacterial infection that is most often spread through sexual contact.ImageRead Article Now Book Mark Article About one half of the people who are infected with a chancroid develop enlarged lymph nodes in the groin.In one half of people who have swelling of the groin lymph nodes, the nodes break through the skin and cause draining abscesses. The swollen lymph nodes and abscesses are also called buboes.AbscessesAn abscess is a collection of pus in any part of the body. In most cases, the area around an abscess is swollen and inflamed.ImageRead Article Now Book Mark Article Swollen lymph nodesLymph nodes are present throughout your body. They are an important part of your immune system. Lymph nodes help your body recognize and fight germ...ImageRead Article Now Book Mark Article Exams and Tests Your health care provider diagnoses chancroid by:Looking at the ulcer(s) Checking for swollen lymph nodes Testing (ruling out) for other sexually transmitted infections (STIs)There is no blood test for chancroid. Treatment The infection is treated with antibiotics including ceftriaxone and azithromycin. Large lymph node swellings may need to be drained, either with a needle or local surgery. Outlook (Prognosis) Chancroid can get better on its own. Some people have months of painful ulcers and draining. Antibiotic treatment often clears up the lesions quickly with very little scarring. Possible Complications Complications include urethral fistulas and scars on the foreskin of the penis in uncircumcised males. People with chancroid should also be checked for other sexually transmitted infections, including but not limited to syphilis, HIV, and genital herpes.FistulasA fistula is an abnormal connection between two body parts, such as an organ or blood vessel and another structure. Fistulas are usually the result ...ImageRead Article Now Book Mark Article PenisThe penis is the male organ used for urination and sexual intercourse. The penis is located above the scrotum. It is made of spongy tissue and bloo...ImageRead Article Now Book Mark Article SyphilisSyphilis is a bacterial infection that is most often spread through sexual contact.ImageRead Article Now Book Mark Article HIVHuman immunodeficiency virus (HIV) is the virus that causes acquired immunodeficiency syndrome (AIDS). When a person becomes infected with HIV, the ...ImageRead Article Now Book Mark Article Genital herpesGenital herpes is a sexually transmitted infection. It is caused by the herpes simplex virus (HSV). This article focuses on HSV type 2 infection....ImageRead Article Now Book Mark Article In people with HIV, chancroid may take much longer to heal. When to Contact a Medical Professional Contact your provider for an appointment if:You have symptoms of chancroid. You have had sexual contact with a person who you know has an STI. You have engaged in high-risk sexual practices. Prevention Chancroid is spread by sexual contact with an infected person. Avoiding all forms of sexual activity is the only absolute way to prevent an STI.However, safer sex behaviors may reduce your risk. The proper use of condoms, either the male or female type, greatly decreases the risk of catching an STI. You need to wear the condom from the beginning to the end of each sexual activity.Safer sex behaviorsSafe sex means taking steps before and during sex that can prevent you from getting an infection, or from giving an infection to your partner....ImageRead Article Now Book Mark Article MaleA condom is a thin cover worn on the penis during intercourse. Using a condom will help prevent:Female partners from becoming pregnant. Getting an i...ImageRead Article Now Book Mark Article FemaleThe female condom is a device used for birth control. Like a male condom, it creates a barrier to prevent the sperm from getting to the egg....ImageRead Article Now Book Mark Article Open ReferencesReferencesMicheletti RG, James WD, Elston DM, McMahon PJ. Bacterial infections. In: James WD, Elston DM, McMahon PJ, eds. Andrews' Diseases of the Skin Clinical Atlas. 2nd ed. St Louis, MO: Elsevier; 2023:chap 14.Murphy TF. Haemophilus species including H. influenzae and H. ducreyi (chancroid). In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 225.