Take a shower after. There will probably be at least a little something on your skin that needs to be washed off. If you didn't do the deed in the shower, hop in after for at least a quick rinse. You'll feel better, too.
If you're using toys during this time, get those things sanitary immediately. Putting it off will only result in a, how do you say, less-than-glamorous experience. All in all, get everything hygienic as quickly as possible.