This treatment is being suggested on bases of the information provided. However I would like to examine & investigate you  in detail. -Control  Hypertension, Diabetes or  metabolic disorder, if there is any. -Any way it may be tried, --. Dolokind Plus (Mankind) [Aceclofenac100 mg +Paracetamol 350 mg] 1 tab. OD & SOS. X 5 days. --. Caldikind plgus  (Mankind) 1 tab OD x 10 days. -(You may need help of your local doctor to get these medicines.) --. Fomentation with warm water. Let the part not be exposed to cold. --. Sleep on a hard bed with soft bedding. --. Use no pillow under the head. --. Avoid painful acts & activities. -- .Do mild exercises for the affected part-ie.hands. --.(Take help of physiotherapist or you can visit my you tube channel Dr NC Gupta Yoga Simplified). YouTube link: https://www.youtube.com/watch?v=tY8RpRrv05g&t=9s, https://www.youtube.com/watch?v=fAYhFcmo0Mw&t=52s --Do not ignore, let it not become beginning of a major problem. --Do ask for a detailed treatment plan. Kindly make sure, there is no allergy to any of 6 medicines. --For emergency treatment visit nearest hospital. --Wish you a quick recovery & good health. --I hope, I have solved your problem to your satisfaction.  Dr N C Gupta MS (ortho)

Its most probably a thumb ligament injury, which is common after carrying delivery luggage or bags. It can managed in online consultation itself. U can chat with me here for further management.

There can be inflammation of small joints of hand , Kindly get video chat with me on Practo chat for further detailed discussions and management

After delivery because of swelling of tissues can lead to thumb pain, thyroid function test? 

WE NEED TO DISCUSS COMPLETELY ON THIS THROUGH PRACTO PLATFORM DR SANDEEP SARAF AGARWAL