Get Your Dog Care Questions Answered by Experts
Hello and thank you for using this site to help you.
Constant licking can be a sign of a urinary tract infection and this should be checked. I would drop off a urine sample to the vet for testing.
It can also be a sign of bladder stones which can lead to an urinary tract infection.
This can also indicate a prostate problem if the dog is not neutered.
There are no over the counter remedies for any of the above. Any infection needs to be treated with antibiotics and stones may need a change of diet.
Here are more causes for licking the genitalia