Denmark international stiker Jon Dahl Tomasson opened the scoring just before the break, but it proved a lead they were unable to hold.
Nicola Amoruso equalised early in the second period to earn his side a deserved share of the spoils.
Roma maintain their challenge for the title after their 3-0 away win moved them to within nine points of the league leaders.
Emerson opened the scoring after 50 minutes with Cesare Bovo putting through his net minutes later.
Francesco Totti put the icing on the cake in injury time when he dispatched a penalty to seal a comfortable away win.
Internazionale maintained their recent revival with a convincing 3-2 win at Giuseppe Meazza over Juventus who failed to cut down Milan's lead.
Obafemi Martins gave Inter the perfect start with a goal after just six minutes.
The Nigerian forward had strayed offside as Christian Vieri slotted through Dejan Stankovic but the Serbo-Montenegrin playmaker had the presence of mind to pick out his young team-mate and Gianluigi Buffon was unlucky not to keep his effort from seven yards out of the net.
On 25 minutes Juve got themselves back in the game with virtually their first attack.
Carlos Gamarra did well to halt David Trezeguet's run but Mauro German Camoranesi picked up the loose ball and his cross into the box was headed into his own net by Argentine Kily Gonzalez.
Inter were awarded a penalty just before the interval when Gianluca Zambrotta was judged to have fouled Stankovic and former Juve front man Vieri stepped up to convert and score past Buffon for the sixth time in his career.
Inter started the second half as they finished the first as Francisco Farinos delivered a free kick and Stankovic was left in oceans of space to pick his spot with a volley for 3-1.
Things went from bad to worse for Juve when Serie A's most red carded player Paolo Montero was once again dismissed after the lively Martins turned him near the touchline and the Uruguayan kicked out.
Marco Di Vaio did pull a goal back for the Turin club with a header in injury time but the score line flattered the Old Lady.
Lazio kept their European aspirations alive with a thrilling 5-2 victory over Siena.
Aparecido Cesar opened the scoring for the Biancoceleste early doors, however, the visitors were ahead soon after through goals from Giovanni Guiguo and Rodrigo Taddei.
Lazio made amends for their weak defending with goals from Stefano Fiore and Cesar's second ensuring they went in 3-2 up at half time.
Cesar completed his hat-trick after the break before Bernardo Corradi put the icing on the cake with his team's fifth of the day.
Ancona's brief stay in the top-flight was ended when Fabio Bazzani's goal sent them to a 1-0 home defeat to Samporida.
Empoli boosted their prospects of avoiding the drop after Tommaso Rocchi's goal after 63 minutes lifted them to a 1-0 win over fellow strugglers Perugia.
Parma remain level with Lazio however their 2-0 away win over Chievo resulted in both sides finishing with ten men.
Marco Marchionni fired the visitors ahead after 32 minutes, however the home side had to wait until Alberto Gilarino directed the ball into his own net after the break before making the points secure.
Both teams finished the match with ten-men after Roberto Baronio and goal scorer Marchionni were shown reds cards for a melee.
Udinese squandered a three-goal lead at home to Brescia but eventually ran out 4-3 winners.
A brace from Vicenzo Iaquinta and another from Dino Fave put Udine in control before the visitors struck back.
Goals either side of half time from Roberto Baggio and Luigi Di Baggio gave Brescia hope before Filippo Maniero completed the comeback when he equalised after 57 minutes.
Despite losing their seemingly unassailable advantage, the home side lifted themselves and Fava's second of the game late on finished off a remarkable encounter.
Bologna came from two-down to rescue an unlikely point at home to Reggina.
The visitors were cruising after David Di Michele and Roberto Stellone put Reggina in control.
Tomas Locatelli pulled one back just before the break and Claudio Bellucci's second half effort ensured the spoils would be shared.
Italian Serie AClick here for the latest Serie A table.
