牙冠是一种细菌状况，可在生殖器上或周围引起开放疮。这是一种sexually transmitted infection (STI), which means it’s transmitted through sexual contact.
在美国很少见。在全球范围内，发病率有所下降，但仍然可以看到
细菌Haemophilus ducreyicauses this condition. It attacks tissue in the genital area and produces an open sore that’s sometimes referred to as a chancroid or ulcer.
溃疡可能会流血或产生传染性的液体，该液可以在口服，肛门或阴道性交期间传播细菌。牙冠也可能从与传染性人的皮肤接触中传播。
If you’re性活跃, you may be at risk for chancroid. If you travel to or live in a country where the condition is more common, you may be more at risk.
If you’re a heterosexual male, your risk for chancroid increases. Other risk factors for chancroid include:
- 与商业性工作者发生性关系
- 药物或饮酒障碍
- anything associated with higher risk sexual practices
- 多个合作伙伴
The symptoms may vary, but typically they begin 4 to 7 days after exposure.
阴茎的人
男人和其他有阴茎的人可能会注意到自己的生殖器有一个小的红色颠簸，可能会在一天左右的时间内变成敞开刺痛。
The ulcer may form on any area of the genitals, including the penis and scrotum. The ulcers are frequently painful.
有阴道的人
妇女和其他具有阴道的妇女可能会在阴唇，阴唇和肛门之间或大腿上发生四个或更多的红色颠簸。阴唇是覆盖女性生殖器的皮肤褶皱。
颠簸溃疡或开放后，妇女在排尿或排便过程中可能会遭受灼热或痛苦的感觉。
Additional symptoms and characteristics
Here are symptoms and characteristics to help recognize chancroid:
由于软性下疳ca溃疡n have the following characteristics:
- The ulcers can vary in size and are usually anywhere from
1至2厘米 . Some may be larger. - 溃疡具有柔软的中心，其灰色至黄灰色，具有定义或锋利的边缘。
- The ulcers may bleed easily if touched.
The following chancroid symptoms can occur in anyone:
- pain duringsexual intercourse或者小便
- 腹股沟肿胀，这是下腹和大腿相遇的地方
- 淋巴结肿大that can break through the skin and lead to large abscesses, or collections of pus, that drain.
Diagnosing the condition may involve taking samples of the fluid that drains from the sore. These samples are sent to a laboratory for analysis.
通过血液检查，目前无法诊断牙冠。您的医生还可能检查腹股沟中的淋巴结是否有肿胀和疼痛。
重要的是要注意，由于其外观与生殖器疱疹和梅毒相似，因此有时很难单独进行视觉检查诊断。
These two STIs often
冠状动物may be successfully treated with medication or surgery.
药物
Your doctor will prescribe antibiotics to kill the bacteria that are causing your ulcers. Antibiotics may also help decrease the chance of scarring as the ulcer heals.
通常有四种抗生素通常用于治疗牙头治疗。他们是：
- 阿奇霉素
- 头孢曲松
- ciprofoxacin
- erythromycin
您的医生将根据您的医疗保健需求确定哪种抗生素和剂量是最好的。
即使您发现疮/溃疡已经开始改善，也要服用抗生素作为您的医生处方并采用整个抗生素。
手术
Your doctor may drain a large and painful abscess in your lymph nodes with a needle or through surgery. This reduces swelling and pain as the sore heals but might cause some light scarring at the site.
The condition is curable if treated. Chancroid sores may heal without noticeable scarring if all medications are taken as prescribed by your healthcare provider.
未经治疗的牙能状况可能会导致阴茎永久性疤痕或导致阴道患者的严重并发症。
If you’re diagnosed with chancroid, you’re also at risk for other STIs so you should be tested for them as well.
被诊断出患有牙冠的人不仅有较高的获取艾滋病毒的风险，而且还具有更高的传输疾病风险。
Additionally, people who are艾滋病病毒positivewho contract chancroid tend to heal more slowly.