Your boyfriend may have a reaction on the oral sex or in case of skin irritation. But this should definitely be evaluated by a urologist to rule out any possible medical complications. I advise visiting a urologist immediately.

Such symptoms must be examined by a urologist to exclude other potential causes such as infections or skin diseases. 

Several causes of itchy penis with a tingly feeling include yeast infection, sexually transmitted infections as well allergic reactions. It is therefore necessary to seek help of a urologist or dermatologist who can establish the underlying cause correctly and offer correct treatment. There is no need to wait as early intervention can forestall complications.

No, MASTURBATION does not cause low sperm count. Regular ejaculation is healthy for the male reproductive system. Lifestyle factors such as smoking and alcohol can affect fertility. Consult a doctor if you are concerned about low sperm count . . 

The presence of blood in semen, known as hematospermia, can have various causes. While it's often benign, it's essential to consult with a healthcare professional for a proper evaluation. Potential causes include infections, inflammation, or structural issues in the reproductive system. A medical examination and, if necessary, further tests can help determine the underlying cause and appropriate treatment. Don't delay seeking professional medical advice for this issue.

Urinary incontinence, urinary tract infection overactive bladder or weak pelvic muscles are the condition which can causes leakage of urine. Consultation with a urologist or gynecologist is necessary to diagnose the basic cause and give proper treatment. In contrast, vaginal discharge is a normal natural function that can vary in color and texture throughout the menstrual cycle. A visit to a gynecologist would help the doctor identify any abnormal discharge and treat it.