 [ Symptoms ] 6 yrs smoke free before smokin 4 months free again before having 1 joint 3 weeks ago piss test free  male 59 yrs 230 lbs 62 [ Disease ] a common cause of vaginal area itching would be yeast so if this were the case neosporin would not really help since you cannot be definitively diagnosed over the internet based solely on your description of symptoms you may need to see a medical professional so you can be properly examined diagnosed and treated in the meantime you could try some over the counter vaginal yeast creams this can be used on all of those itchy areas if you fail to improve it is off to the clinic