A man is in critical condition after being attacked by several dogs in Sydney's west.

Emergency services arrived at a property in Kildare Road in Doonside about 11am following reports of a dog attack.

When officers arrived, they were told a man had been attacked by several dogs.

The 54-year-old was treated at the scene by paramedics before being taken to Westmead Hospital in a critical condition.

Six dogs have been seized from the property by Blacktown City Council. 

This incident comes as the second dog attack in Sydney this week after a man was mauled inside his unit on Monday.

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