Fast-food restaurants across the nation add spicy items to its menu to mix things up.

The Fiery Doritos Locos Tacos from Taco Bell and the spicy chicken sandwich from Chick-fil-A bring the heat while still being enjoyable.

Keep in mind that this is fast food heat, so it's not going to knock you off your chair.

We rounded up a few of the best spicy items you can order at fast-food restaurants.

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If you're a fan of spicy food, chances are you've put your limits to the test and sampled some heat-filled delicacies. But you may not know that some delicious and spicy options are waiting right at various fast-food restaurants.

We've rounded up the best spicy items you can order at fast-food restaurants. Keep in mind that this is fast food heat, so it's not going to knock you off your chair, but can still be pretty delicious.