please do not be anxious about your condition.
usually a high temperature can be a result of an infection.
mr mansoor usually hands an feet warm in the morning can be sometimes associated with pain and inability or pain while moving your arms and legs. if you have the any of the mentioned symptoms like pain on movement of hands and feet, stiffness
of joints, you might be having symptoms of arthritis
which can be ruled out with examination and x ray
it would be appropriate for you to consult an orthopedician and get a full check up done.
i wish you good health.