Muscle tightness/spasms in cold weather can have various causes, just like most other symptoms. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose muscle tightness/spasms in cold weather, we could:
Does cold weather cause increased muscle tightness or spasms?
Possible responses:→ Don't know
→ Yes, occasionally / slightly
→ Yes, regularly / definitely
→ Yes, frequently / severely
Very cold temperatures, or changes in temperature, can cause MS symptom flare-ups, in particular spasticity.
Paramyotonia congenita sufferers find that muscle stiffness may be made worse by exercise, especially in cold weather.