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Spicy Cajun Chicken Sub (Medium)

Spicy Cajun Chicken Sub (Medium) at Firehouse Subs has 705 calories, 44g protein, 53g carbs and 35g fat — sourced from Firehouse Subs Nutrition, not AI guesses. Medium white sub, Cajun-seasoned chicken, pepper jack, mayo, jalapeños, lettuce, tomato.

Spicy Cajun Chicken Sub (Medium)
705calories
44gprotein
53gcarbs
35gfat
High protein Contains dairy, gluten, eggs
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At Firehouse Subs, the Spicy Cajun Chicken Sub (Medium) is a solid high-protein order. That works out to 6.2g of protein per 100 calories — 8g above the 36g Firehouse Subs average. Its macros land at roughly 25% of calories from protein, 30% from carbs and 45% from fat. Contains dairy, gluten, eggs.

Source: Firehouse Subs Nutrition ↗, last verified Jun 17, 2026. Menus change periodically; values may vary by location. How we verify →

See all 16 Firehouse Subs meals →  ·  Highest-protein Firehouse Subs meals →

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Spicy Cajun Chicken Sub (Medium) — common questions

How much protein is in the Spicy Cajun Chicken Sub (Medium) at Firehouse Subs?
The Spicy Cajun Chicken Sub (Medium) has 44g of protein. It also has 705 calories, 53g carbs and 35g fat, per Firehouse Subs Nutrition.
How many calories are in the Spicy Cajun Chicken Sub (Medium)?
The Spicy Cajun Chicken Sub (Medium) at Firehouse Subs has 705 calories, according to Firehouse Subs Nutrition.
Is the Spicy Cajun Chicken Sub (Medium) high in protein?
Yes — at 44g of protein it clears the 30g high-protein bar.
Does the Spicy Cajun Chicken Sub (Medium) contain allergens?
Per Firehouse Subs Nutrition, the Spicy Cajun Chicken Sub (Medium) contains dairy, gluten, eggs. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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