Yes but not too hard!!! Laughing, coughing and sneezing all can hurt a bit but I have never had anyone do any permanent damage to their result by doing these. I have had patients pop a few sutures while coughing, but not enough to mess up their result...I usually advise my patients just to keep...
Congratulations on your recent tummy tuck surgery. You have described a stitch abscess, that is usually self resolving. Continue to follow-up with your plastic surgeon.
Best wishes.
It certainly is normal to have some pain and tight feeling 3 weeks after a Tummy Tuck. However pain associated with a feeling of pressure could be a sign of Seroma, a build up of fluid underneath the skin. Less common would be a hematoma, a collection of blood under the skin caused by bleeding...