Thanks for writing to us.
The popping noise, swelling and pain on weight bearing on the ankle are suggestive of a bone injury
. You need to get an X-ray of your ankle done for proper diagnosis and treatment. Avoid weight bearing on the foot till then.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal