Wash the Penis well, including the area under the foreskin in uncircumcised men. Keep the area dry, since moisture in the genital area can lead to infections. Cornstarch powders during the summer may be helpful. In many cases, genital itching that is caused by irritation will clear up on its own if the irritation is removed. Other causes of itching may require more intensive treatment.  Consult Dermatologist...