Fear often rises in waves. Sometimes it is tied to the future. Sometimes it comes after disappointment or pressure. Scripture does not pretend fear is small. It teaches us to bring it before God.
When fear rises, return to what is true. God is faithful. God is present. God is not surprised by what troubles you. Speak His promises. Pray honestly. Stay near the Word. Reach out to trusted believers when needed.
Faith is not the absence of pressure. Faith is the decision to keep leaning on God even while pressure is still present.