How can i accelerate the healing process of a swollen thumb?

Treat the cause/rest: You need to find out the cause of the swelling of your thumb and treat appropritely with anti inflammatory drugs if it is due to inflammation or trauma.Other causes are infection and gout, which needs to be treated differentl.And rest by splinting may help as well in some cases.

It depends: Healing process is hard to accelerate. It is important to know what the swelling is from. If you are post-surgical and have swelling elevation and motion can help decrease fluid retention. If there was an undiagnosed injury a good exam and appropriate treatment will help get you in your way to less swelling.

Ice, elevate: It is first critical to be sure you do not have an infection. That would need to be treated with antibiotics or drained. Next you need to make sure it is not broken. If the force was great enough, then you need an xray. Otherwise, if there is swelling from a bruise, elevation and ice should do the trick.