Idry penis tip for a week. the skin is red around the tip and transition between tip and shaft. no other symptoms beside a itch rare. could it be std?

Need information: I am guessing that you haver a foreskin. Not STD. Balanitis is due to a tiny drop of urine under the foreskin. Smegma and other bacteria ferment the inspisated urine. The metabolic waste products of this fermentation is irritating. Be sure to blot away any last drop of urine after you empty your bladder.In the shower always rinse under the foreskin. Miconazole cream helps. Castellani solution i