I'm a 32-year-old guy and for the last couple of days, I've been experiencing this really mild pain and a kind of vibration in my left testicle that sometimes shoots down to my left leg. It's pretty weird and has me a bit worried since I've already had an ultrasound on my lower abdomen, and everything came back normal. Could you help me figure out what might be going on?

Possible Causes of Lumps* 1. *Bartholin's cysts*: These cysts can develop on either side of the vaginal opening and are usually painless. 2. *Folliculitis*: An infection of the hair follicles, which can cause redness, swelling, and pus-filled bumps. 3. *Boils or abscesses*: Similar to the boil you had two weeks ago, these can be caused by bacterial infections. 4. *Ingrown hairs*: Hair growing back into the skin can cause redness, swelling, and bumps. 5. *Sexually transmitted infections (STIs)*: Certain STIs, such as herpes or genital warts, can cause lumps or bumps in the genital area. *What to Do* 1. *Consult a healthcare professional*: Schedule an appointment with a gynecologist or primary care physician to get a proper diagnosis and treatment plan. 2. *Keep the area clean*: Practice good hygiene by washing the area with soap and water. 3. *Avoid squeezing or popping*: Refrain from squeezing or popping the lumps, as this can lead to further infection. 4. *Wear loose, breathable clothing*: Tight clothing can irritate the area and make symptoms worse. 5. *Avoid sexual activity*: Until you've consulted a healthcare professional and received a proper diagnosis, it's best to avoid sexual activity to prevent the potential spread of infection.