Thanks for writing your query.
It seems that you are having soft tissue injury
in your left wrist due to some heavy weight lifting.
You should give adequate rest to the left wrist. This helps in fast recovery.
You can take pain killer like Diclofenac
50 mg one tablet twice a day after meals along with antacid Omeprazole
20 mg once a day. Medicines should be taken under medical supervision only.
Apply some pain relieving gel on the left wrist. Also apply wrist support if needed.
If the problem persists, get yourself examined by an Orthopedician and get following investigations done :-
1. Serum Uric Acid
2. Serum Calcium
3. X-Ray left wrist (AP and Lateral view)
I hope ths is helpful you.