Numbness, tingling, or weakness that is new, spreading, or getting worse?

Any new trouble controlling your bladder or bowels, or new numbness between your legs, in your groin, or on your inner thighs?

A fall, accident, or injury since your last session?

Pain at night that doesn't ease with rest or changing position, a fever, or weight loss you can't explain?

Chest pain, pressure, or shortness of breath, especially with pain in your arm, neck, or jaw?

New dizziness, vision changes, trouble speaking or swallowing, or a sudden severe headache?