Donald Trump took aim at the war on drugs on Saturday — by challenging Hillary Clinton to take a drug test.

"Athletes, they make them take a drug test," Trump said at a Portsmouth, New Hampshire, rally. "I think we should take a drug test prior to the debate because I don't know what's going on with her. But at the beginning of her last debate, she was all pumped up at the beginning. And by the end ... she could barely reach her car."

Clinton is not campaigning this weekend in order to prepare for the third and final debate Wednesday, an aide told NBC News.

27 PHOTOS Women who support Donald Trump See Gallery Women who support Donald Trump Supporters of Republican U.S. presidential nominee Donald Trump recite the U.S. Pledge of Allegiance at a campaign rally in Panama City, Florida, U.S., October 11, 2016. REUTERS/Mike Segar Supporters of Republican U.S. presidential nominee Donald Trump attend a campaign rally in Ocala, Florida, U.S., October 12, 2016. REUTERS/Mike Segar A woman chants "Lock her up" in reference to Democratic presidential nominee Hillary Clinton as she attends a campaign rally for Republican presidential nominee Donald Trump in Miami, Florida, U.S., September 16, 2016. REUTERS/Mike Segar Republican U.S. presidential nominee Donald Trump holds up signs at the end of a campaign rally in Lakeland, Florida, U.S., October 12, 2016. REUTERS/Mike Segar Supporters of Republican U.S. presidential nominee Donald Trump attend a campaign rally in Panama City, Florida, U.S., October 11, 2016. REUTERS/Mike Segar Supporters of U.S. Republican presidential nominee Donald Trump cheer at a campaign rally, in Prescott Valley, Arizona, U.S., October 4, 2016. REUTERS/Mike Segar Supporters start to get excited before Republican presidential nominee Donald Trump takes the stage for a rally in Kenansville, North Carolina, U.S. September 20, 2016. REUTERS/Jonathan Ernst A woman looks on as Republican presidential nominee Donald Trump speaks at a campaign rally in Miami, Florida, U.S., September 16, 2016. REUTERS/Mike Segar A supporter of Republican U.S. presidential nominee Donald Trump holds a Trump doll as she listens to Trump speak at a campaign rally in Ambridge, Pennsylvania, October 10, 2016. REUTERS/Mike Segar Supporters rally with Republican presidential nominee Donald Trump in Bedford, New Hampshire, U.S. September 29, 2016. REUTERS/Jonathan Ernst Supporters of U.S. Republican presidential nominee Donald Trump look on as he speaks at a campaign rally in Pueblo, Colorado, U.S., October 3, 2016. REUTERS/Mike Segar Supporters of Republican presidential nominee Donald Trump cheer at a campaign rally in Manheim, Pennsylvania, U.S., October 1, 2016. REUTERS/Mike Segar A woman wearing a Muslim headscarf walks past people holding U.S. Republican presidential nominee Donald Trump signs before the start of the annual Muslim Day Parade in the Manhattan borough of New York City, September 25, 2016. REUTERS/Stephanie Keith A woman covers a child's ears as Republican presidential nominee Donald Trump speaks on stage during a campaign rally in Fredericksburg, Virginia, U.S., August 20, 2016. REUTERS/Carlo Allegri Audience member Robin Roy (C) reacts as U.S. Republican presidential candidate Donald Trump greets her at a campaign rally in Lowell, Massachusetts January 4, 2016. REUTERS/Brian Snyder TPX IMAGES OF THE DAY Republican presidential nominee Donald Trump supporters drive past the U.S. Democratic presidential candidate Hillary Clinton motorcade as she leaves a fundraiser event in Orlando, U.S. September 21, 2016. REUTERS/Carlos Barria A supporter of U.S. Republican presidential candidate Donald Trump attends a campaign event in Springfield, Illinois, United States, November 9, 2015. REUTERS/Jim Young Supporters of U.S. Republican presidential candidate Donald Trump attend a campaign rally in Council Bluffs, Iowa, January 31, 2016. REUTERS/Scott Morgan Republican presidential nominee Donald Trump is hugged by supporter Tracy McCullough during a campaign stop at the Boulevard Diner in Dundalk, Maryland, U.S., September 12, 2016. REUTERS/Mike Segar TPX IMAGES OF THE DAY Tracy McCullough (R), a supporter of Republican presidential nominee Donald Trump, cries after she had the chance to hug Trump during a campaign stop at the Boulevard Diner in Dundalk, Maryland, U.S., September 12, 2016. REUTERS/Mike Segar A woman smiles after getting an autograph by U.S. Republican presidential candidate and businessman Donald Trump on her hat after he spoke at a campaign rally South Point Resort and Casino in Las Vegas, Nevada January 21, 2016. REUTERS/David Becker A woman yells "Kill the media" before Republican presidential nominee Donald Trump speaks during a campaign rally in Austin, Texas, U.S., August 23, 2016. REUTERS/Carlo Allegri A supporter of Republican presidential nominee Donald Trump uses her phone to photograph Trump during a campaign stop at the Canfield County Fair in Canfield, Ohio, U.S., September 5, 2016. REUTERS/Mike Segar A woman poses for a selfie with supporters of Republican presidential nominee Donald Trump dressed in costume prison uniforms as Bill and Hillary Clinton sing the U.S. national anthem before a campaign rally in Austin, Texas, U.S., August 23, 2016. REUTERS/Carlo Allegri A woman in a U.S. flag themed dress poses for photos as Republican presidential nominee Donald Trump speaks on stage during a campaign rally in Fredericksburg, Virginia, U.S., August 20, 2016. REUTERS/Carlo Allegri A woman works her way to the front of the crowd as Republican U.S. presidential candidate Donald Trump signs autographs after addressing a Trump for President campaign rally in Macon, Georgia November 30, 2015. REUTERS/Christopher Aluka Berry Charmaine Adamo takes a selfie with friends and a Trump mascot "Trumpie" before a rally by U.S. Republican presidential candidate Donald Trump at the Myrtle Beach Convention Center in Myrtle Beach, South Carolina, November 24, 2015. 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Trump tweeted before the New Hampshire rally that he would speak about "the massive drug problem there, and all over the country." The state is in the midst of a drug overdose crisis propelled by the heroin epidemic.

After slamming the latest Clinton emails released by WikiLeaks as proof that "the media collaborates and conspires directly with the Clinton campaign," Trump turned his attention to heroin and other drugs "that are poisoning our youth."

Related: Ex-'Apprentice' Contestant Describes Trump Advances

"You're the ones who really showed me the gravity of the problem of drugs pouring in, mostly from the southern border," Trump told the crowd in Portsmouth, doubling down on his promise to build a wall along the U.S.-Mexico border.

The scripted comments came a day after the Republican presidential nomineeditched his broken teleprompters while speaking in North Carolina — capping off an unpredictable several days in which Trump was forced to defend himself against a barrage of allegations of inappropriate advances toward women, some dating back decades.

Related: Trump Ditches Prompters, Continues Defense at NC Rally

Trump has vehemently denied the allegations made by the eight women and went so far Friday to imply the accusers were too unattractive for his standards. He claims he's the victim of a left-wing conspiracy and that the media is colluding with Clinton to smear him.

He prolonged that attack on the media Saturday, pointing to the leaked Clinton emails.

"They show how the media collaborates and conspires directly with the Clinton campaign," Trump said. "The election is being rigged by corrupt media pushing false allegations and outright lies in an effort to elect her president."

He also outlined his plan to help Americans struggling with drug addiction by expanding access to treatment centers and giving caregivers access to Narcan — a life-saving opiate antidote that can be administered following an overdose.

And he vowed to hold U.S. Department of Veterans Affairs more accountable, so vets got the proper care.

"We have to solve this crisis and we will," Trump said.

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