Poor little girl, just one thing after another. She is very lucky to have you caring for her. What a feisty piggy she is. 

Not good news from the vet... the lump is turning hard and they think a granuloma is forming, so her immune system has reacted badly to the suture material and is causing huge inflammation and forming a big lump of scar tissue full of white blood cells trying to attack the stitches. They cant take the stitches out, cant put any more in, so it's watch and wait and bathe the big hole with hibiscrub then let it dry and put manuka honey on later... vets every day until it settles or doesnt... ideally she needs more surgery but they'd have to take a lot of tissue out and if it happened again there'd be nothing left to sew back together...
Its a very rare complication, the vets havent seen it in a guinea pig before... bloody awkward hippo girl, please stop this daft granuloma business and heal up![]()
There's no infection, it's like she's having a big allergic reaction to the stitches, her immune system has recognised the suture material as "foreign stuff that shouldnt be there" and is trying to get rid of it... she may get an infection if the wound stays open too long, but so far its clean, no abscess stuff left... just seroma fluid and now this weird inflamed scar tissue forming... I never thought as a pharmacologist I would be pinning my hopes on manuka honey but the vet said it should keep the wound edges clean and soothed and might promote healing... so manuka honey and more buprenorphine and loxicom and keep up the baytril to try keep any new infection away it is!Would a change of antibiotic help? We always use Zithromax for anything where abscesses have been involved. I haven't got any experience of this happening, so can't be any more help. What a nightmare! x
She clearly isn't bothered about it then. She's tough little cookie hippo bat pig!she's in the playpen playing in a cardboard box full of hay and coriander.
Yep her and Pedro should definitely start a club for troublesome ones with holes that are blooming cute but like to cause stress!And most of the dinner has disappeared, and the hay tray has been sat in, and there was a bat-hippo shape scurrying away when I went in to top up the hay and do the water bottles... please get well funny little hippo girl! There's just such a big hole in her neck... oozing all sorts of stuff... maybe @alpacasqueak 's Pedro and Tallulah should start a club for "feisty rodents with big surgical holes in but surviving"...