Severe pain at the thumb, especially after an injury
Swelling around the thumb or base of the thumb
Bruising or discoloration
Deformity, crooked shape, or thumb looks out of place
Inability to move the thumb normally
Pain when trying to grip, pinch, or hold objects
Tenderness when pressing on the thumb bone
Numbness, tingling, or reduced sensation
Weakness in the thumb or hand
Pain that worsens with movement or touch
Trouble using the thumb for everyday tasks
A popping or cracking sound at the time of injury
Open wound or bone visible
Symptoms that do not improve or get worse over time