My leopard gecko had a hard knot underneat where the tail meets the body

[jamieotwell]

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My leopard gecko has a hard knot underneath where the tail meets the body. I think he is around 7years old. He licks it and adjusts his body to where the knot lays on his heat rock. It also seems like he is not "using the bathroom" like as often as he did before. Can someone tell me what this may be and if it's painful for him? He's had it a couple of months.

[Elizabeth Freer]

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My leopard gecko has a hard knot underneath where the tail meets the body. I think he is around 7years old. He licks it and adjusts his body to where the knot lays on his heat rock. It also seems like he is not "using the bathroom" like as often as he did before. Can someone tell me what this may be and if it's painful for him? He's had it a couple of months.

Pictures, please.

A leo can be burned if a heat rock overheats. Please remove it.

Please check the Leo Guidelines linked right below \/ for alternate ways to heat your leo's enclosure.