Can a foot arch fracture aggrivate plantar facsi?

Absolutely: The plantar fascia ligament plays an important part of the foot arch structure as do the bones. If you fracture a bone considered part of the arch then it could place more stress on the plantar fascia ligament for support. See a podiatrist for evaluation and treatment if you have this issue.

Yes: The plantar fascia can be irritated by any foot fracture that must be immobilized. If you are in physical therapy, your therapist can treat your plantar fascia pain.

Without Question: Arch fracture can certainly aggravate previous plantar fascitis. Get your bone fracture healed with immobilization when healed the fascitis may be gone.