Salomon Rondon starred as Newcastle earned a valuable three points to defeat Huddersfield at St James' Park.
After a frustrating first-half for the Magpies, in which Terriers captain Tommy Smith was dismissed, Rondon struck on 46 minutes before nodding the ball into Ayoze Perez's path for the second.
The morale-boosting victory sends Newcastle four points clear of the drop zone, while Huddersfield are 14 points adrift at the foot of the Premier League.
Striker Salomon Rondon grabbed the opener less than a minute into the second half for Newcastle
Ayoze Perez tucked home the second shortly after to hand the Magpies a crucial three points against fellow strugglers
Huddersfield captain Tommy Smith is shocked after being red carded after just 20 minutes at St James' Park
Right-back Smith was dismissed after lunging wildly at Newcastle playmaker Miguel Almiron early in the game
Rafa Benitez marshals his troops as they look to take a grip of the game with a man advantage
Record signing Almiron enjoyed an influential first-half for the Magpies, proving a contact threat to Huddersfield's defence
Ayoze Perez fails to make the most of a chance as Newcastle apply heavy pressure to the Terriers' defence
Salomon Rondon goes flying as he glances a header just wide of the goal for one of five first-half efforts from the Venezuelan
Perez grabbed his fifth goal of the season as Newcastle threatened to run riot against the Premier League's bottom side
Huddersfield coach Jan Siewert cuts an animated figure as his depleted side try to keep the hosts at bay
Despite conceding twice, Huddersfield keeper Jonas Lossl made several good saves to keep the Magpies' attack at bay
MATCH FACTS, PLAYER RATINGS AND LEAGUE TABLE
NEWCASTLE: Dubravka, Yedlin, Schar, Lascelles, Lejeune, Ritchie (Kenedy 68), Perez, Hayden, Longstaff, Almiron (Atsu 81), Rondon (Joselu 84).