I've tried every marketed brand of mosquito repellent there is that's natural and not toxic. They work, but I find their odor to be too strong. Finally, I tried catnip spray:
Catit Liquid Catnip Spray, 3 Ounces.
I ordered through Amazon @ $12.
A little goes a long way.
If you don’t use the Catit above in time to avoid mosquito bites, for anti-itch and swelling reduction, use the following: