Medusa/Counters

Bad against...

 * Phantom Lancer will very quickly burn Medusa's mana making her significantly less tank and easier to kill


 * Reason


 * Similar to Phantom Lancer in that Anti-Mage burns Medusa's mana easily but with the added bonus of being able to easily initiate on her with a blink and potentially Abyssal Blade before punishing her with Mana Void


 * Reason


 * Reason

Others

 * Naga Siren
 * Entry
 * Entry

Items

 * Diffusal Blade
 * Entry
 * Entry

Good against...

 * Reason


 * Reason


 * Reason


 * Reason


 * Reason

Others

 * Entry
 * Entry
 * Entry

Works well with...

 * Reason


 * Reason


 * Reason


 * Reason


 * Reason

Others

 * Entry
 * Entry
 * Entry

List of heroes that counter Medusa, and list of heroes that work well with Medusa.