Not big like the ones that I found googling it
But yes it happened that I had them in "normal" size, especially in the past when I used to eat junk food, you need to totally avoid junk food in general, sugar, salami, fried, ecc. Eat a lot of fruits, vegetables, aloe and these kind of things, your skin is gonna benefit a lot.
I've had 3 in my life, so far. There was a point for like a year, that me and my mother kept getting them at the same time.
The first time it was on the side of my leg near my hip, and it took like 4 or 5 days for it to pop and I could barely walk It was so ****ing bad That was the worse and biggest one I've had
The second one was on my the side of my calf and it took a couple days to pop.
And the last one I got was on my hip and it hurt so bad to sit down
It came from the acidity I was consuming at the time. I cut soda out of my my diet, and other acidic food out of my system and now I don't get them anymore