Talk to your health care provider right away and get checked out to be safe. They can be transmitted during sexual contact. Has your partner ever had sex without a latex condom? In some cases, the infection can be active and contagious even when sores aren't present. No STD is harmless. Less commonly, the rash may appear on the buttocks, ankles, armpits, genitalia, groin, scalp, neck, face, head, shoulders, waist, soles of the feet, lower leg, and knees. When signs and symptoms are noticeable, the first episode is generally the worst. Abstaining from any sexual act is the most effective way to avoid an STD. The younger a person is when he or she begins having sex, the more susceptible the person becomes to developing an STD. A person with scabies develops a skin rash and experiences intense itchiness. They burrow into the skin and lay their eggs. Parents, schools, and society need to teach children about the importance of safe sex, and explain how to prevent becoming infected with an STD, including information relevant to the LGBTQ community. Fatigue Nausea and vomiting Abdominal pain or discomfort, especially in the area of your liver on your right side beneath your lower ribs Loss of appetite.