Untreated chancroid can result in progressive ulcers occurring on the genitals. Sometimes the ulcers persist for weeks or months. A person can get chancroid more than once. Chancroid may be successfully treated with certain antibiotics. Lesions and ulcers can be expected to heal within two weeks.
Abstinence is the only sure way to avoid STDs.
Try to limit your exposure to STDs. Unprotected sexual activity increases your chance of exposure and infection. Use barrier protection, like a condom. Look at your partner before having sex. If you see any sign of an infection such as rashes, sores, discharge or swelling, stop and talk about the importance of checking for an STD before having sex.