Typically, neutering can reduce the urge to mark around the house and reduce the odor of their urine. It generally does help reduce their spraying, but there is always that small percentage that does not stop.

The best thing you can do is to bring your dog in so we can examine it and then prescribe the appropriate types of preventatives. At home, though, ensure you're picking up your dog's fecal material frequently, so they're not potentially spreading things in their yard and reinfecting themselves. You should also limit their exposure to other pets that might be carrying parasites.

I currently don't recommend any kind of over-the-counter or natural remedies for parasites. Most of those are not very effective and, in some cases, can be extremely toxic.

Parasitic infections are usually not going to go away on their own. They do require treatment, which can be topical or oral.

Yes. For external and internal parasites, there are preventatives that we can prescribe.

Parasites can be transmittable to people as well. Again, depending on the type of parasite, whether external or internal, we would have that discussion with you as far as if there are any concerns for that.

This, again, depends on the type of parasite. Some are more contagious than others or transmittable to other pets in the household. Once we determine the type of parasite, we will make a recommendation at that point for treating just your dog or all the pets in the household.

Treatments for parasites depend on the actual type of parasites. It's most important that we identify those to know what we need to treat. Sometimes we use topical treatments, and other times oral treatments.

Maybe. Most behavior problems that have historically been assigned to their reproductive organs have not been proven over time. Very few direct causes from testosterone, estrogen, and those hormones' fluctuations will result in these big problems. So it may take some of the equations and variables out of the behavior, but it will likely not resolve it.

That's a really good one too. A lot of that's going to go into their entire life. So ensure you're feeding them a well-balanced, complete diet in the right amounts, and provide them with the environment they need to be healthy. Letting them exercise and express their behaviors and normal dog behaviors and providing them with a good social structure at home can go a long way in preventing behavior problems.