The 32-year-old also said Lionel Messi's international retirement was another reason he would have to weigh up his future with the national team.
Paredes received the suspension in August, weeks after an altercation erupted at the final whistle when he shoved Spain midfielder Gavi to the ground as the champions' substitutes rushed onto the pitch to celebrate.
Paredes faced three assault charges, while teammate Nahuel Molina faced two. Both players were also fined $90,000.
"It's going to be difficult for me to stay with the national team," Paredes told Argentine media on Tuesday.
"Because of the suspension as well, because of Leo's decision ... It's going to be difficult for everything to carry on as before.
"I haven't discussed it with the coach (Lionel Scaloni) yet, but we'll talk about it and see what decision I make."
Paredes said Messi's absence from the national team would be keenly felt.
"Leo's legacy will live on forever because of what he achieved, for never giving up and for showing that dreams are hard-won, pursued and, in the end, fulfilled...," Paredes added.
"We'd spoken in the final days of the World Cup about how the final would surely be his last match, but even so, we weren't prepared for that because of what he means to us."