Is insect repellant a good way to prevent being bitten by ticks that can cause lyme disease?

May work: Insect repellent may work to ward off some insects. However ticks are little different. They can reach your body thru different means. You may have them latched on your cloths, pets, birds . Best thing to do is avoid by going into high grass area, leaves, and area you know is visited by deer racoons etc. Check your body after outdoor activities, if you need to use repellent, spray it on cloths.

Maybe: It is only effective if the insect repellant states it is effective against insect responsible for tick bites.

Yes: Insect repellents are always a good idea to help prevent insect bites including ticks.