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There is a small swelling at the tip near urethral opening, which looks like a blister (attachment removed to protect patient identity). Either this or the remaining two sutures may be painful. The sutures usually drop off by two to three weeks. In your case, they are still seen. If they are painful, you can consult your doctor to remove them.
Regarding blisters, sometimes the tender skin over glans takes time to adjust, after circumcision. So you can wait for few more days for it to resolve. Often after circumcision, the lower aspect of the suture line is more swollen than the rest and takes more time to become normal. This may be related to delay in new blood vessel formation.
We usually see things becoming fine in about a month. But in your case, this is taking longer time. You can wait for few more days. Also, do not expect results similar to circumcisions done in childhood.