my father is 53 years old...

he is suffering from seviour joints pain since 4 days..
first he got fever, after one day, fever gone, but seviourly joints pain continued.
he is unable to sit and stand, cant hold fingers, etc...

he is suffering very badly..

doctors said that, its a symptons of joints viral fever..

please, suggest me
what are the remedies to be taken.
and how long the pains and fever will continue...

should, we take it very seriously????

thanking you