Does drug store have something for common warts?

Yes. Many remedies available to soften the warts and make less painful and some times they may even fall off.
Yes. There are many over the counter preparations for treating warts.

Related Questions

I have common warts on my heel and on my finger. My mom went to the store but there was only the medicated remover for plantar warts. Would it work?

Better than nothing. Go ahead and give it a try. Just make sure that you follow the directions, and make sure you are treating a wart.
Yes. Just be careful to keep it on the wart and not to get it on the healthy skin..