Apr 13, - Balanitis is irritation of the head (glans) of your penis. It's usually caused by poor hygiene or an infection. You're more likely to develop balanitis if you're uncircumcised. Red spots, swelling, and itching are common symptoms.Quick symptom chart · Genital herpes · Syphilis · Balanitis. Jan 9, - It often starts as a small, irregular and painless lump or ulcer on the head or glans of the penis, but usually grows and spreads to the rest of the.