Itching is a common symptom of infection or irritation after a week and a half of masturbation. Gently clean the area, avoid using strong soaps and wear loose clothes. If it continues, stop masturbating for a while and check if there is any difference. If there is none, seek medical attention.

Masturbation is a regular sexual activity that is natural and healthy. It has no effect on your overall physical well being and your ability in cricket. Moreover, if you want to reduce the frequency but unable to do by yourself, you should visit sexual health specialist. They can assist you in discovering the real problem and give you the needed advice on how to cope up with the situation.

The chances of pregnancy are­ pretty low. Plan B works by disrupting ovulation temporarily. So if your pe­riod is slightly late after taking it, that's normal. If it's late­ or you notice odd symptoms, you can always take a pregnancy te­st. Try not to stress too much. 

You inform me that you are bothered by erectile dysfunction and the size of your penis. Erectile dysfunction or synonym for it is the difficulty in obtaining or maintaining an erection. It's caused by stress, anxiety, or health problems that can happen. Being a micro penis is, in some people, for their genetic issues. It's important to tell a specialist about your problem. The other end of the exchange is a provider who can lead and help you with personalized ideas. 

Excessive masturbation may cause erectile dysfunction. Consult a doctor immediately

Catching HIV through finger stuff is highly unlikely, e­specially without cuts. HIV symptoms include feve­r, tiredness, and swollen glands. To put your mind at e­ase, getting teste­d for HIV is an option. Practicing safer activities protects you and othe­rs.

If you have touched dry sperm and then touch your private parts (or eyes), it may result in the following: itching, redness, or even an infection. Without having touched the rest of your body, washing your hands with soap and water can help you avoid getting sick. 

Please provide more information on what specific problem you are facing with your sexual life, only then i can provide proper advice.

Typically, ceftriaxone is effective, but it's essential to complete the entire prescribed course. Please visit your healthcare provider or a specialist in sexually transmitted infections to ensure your treatment is appropriate and complete.