Collingwood forward Alex Fasolo is suffering depression and will take a break from the game.

Fasolo is undergoing treatment for clinical depression with a medical specialist and will not play in Perth against Fremantle on Sunday.

Many of Fasolo's teammates had no idea he was managing a mental health issue. Credit:Getty Images

It is understood Fasolo remains hopeful that he can be fit to return for the Queens Birthday weekend match against Melbourne but will be guided by medical advice.