Howard Dean: Is Donald Trump a 'coke user'?

Viewers tuning in for the rowdy first presidential debate got their fair share of verbal sparring, but amidst the fireworks many appeared distracted by something else: Donald Trump's sniffle.

The Republican candidate sniffled repeatedly during Monday night's debate — setting off social-media memes and sparking the hashtag #TrumpSniffle.

RELATED: #TrumpSniffle trends during first presidential debate

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#TrumpSniffle trends during first presidential debate
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#TrumpSniffle trends during first presidential debate
Notice Trump sniffing all the time. Coke user?
#debatenight sponsored by Kleenex. #trumpsniff
#Trumpsniff #Debates2016 You can take the man out of Studio 54, but its hard to get it out of the man... https://t.co/3YihKiLJg3
OMG, the sniffling is so annoying. #Trumpsniff #debatenight
The symbolism of #trumpsniff is so grandeur. I mean aren't we all getting sick of seeing his run for presidency taken seriously?
Trickle down economics is what is happening with Donald Trump's nose right now. #debatenight #TrumpSniffle
Trump is getting flustered. #debates #debatenight #TrumpSniffle
Hillary gave Donald her cold. #debatenight #TrumpSniffle
That didn't take long. #trumpsniffle https://t.co/WZawICARy4
Is something wrong with Donald's health? #TrumpSniffle
Is Trump OK? He's drinking a lot of water, and the #trumpsniffle seems to say otherwise #debatenight #channelingRubio?
Ok so the #TrumpSniffle is becoming a thing
I thought his health was hugely excellent??? #Trump, you disappoint! #TrumpSniffle #debatenight https://t.co/Q2KkQt0V9M
Trump's sniffle got worse when Hilary brought up his dad's money. #TrumpSniffle #TeddyKGBsOreos
Someone give him a damn tissue! #Trumpsniffle #debates
Maybe Donald Trump has pneumonia? #trumpsniffle #debatenight
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While Trump's opponent Hillary Clinton — whose coughs made frequent fodder for Republicans — did not mention his sniffles, former Democratic presidential candidate and DNC chairman Howard Dean did.

The former six-term Vermont governor took to Twitter not with a meme but with a message, suggesting that Trump's nasal troubles could be due to cocaine use.

There was no immediate response from the Trump campaign to the question Dean posed.

RELATED: Countries with the highest cocaine use

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