I tell my patients to expect swelling and jiggling for 2-4 weeks. Numbness lasts about 6 weeks. And then there are lumps and bumps for up to 8 weeks as well. Swelling does not fully resolve for a few months so i don't re-inject for a few months.
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As the principal investigator
for the FDA trials on Kybella, and with over 400 treatments performed, we found
that Kybella injections result in significant improvement in the appearance of
convexity or fullness associated with submental fat. The procedure is very well
tolerated by patients, fast, and can be performed in clinic. Kybella acts by
destroying fat cells in the area injected. The lysed fat cell contents create
an inflammatory reaction, resulting in skin contraction and tightening (in addition
to reduction of fat). There is some swelling after the treatment and is
directly related to the amount of fat present and the amount of kybella
injected. In other words, if you have a large amount of fat under your chin,
you would require a greater amount of kybella to treat the area effectively,
and the greater the subsequent inflammatory response with swelling. As you
mentioned, nodules may develop as part of the body’s inflammatory response, and
in our clinic, can be easily treated with a steroid injection. Although in the
clinical trials for Kybella, patients received Kybella injections every month, it’s
probably best to wait a few months between treatment until the swelling or
nodules fully resolve. If you have any concerns you should visit a board-certified
facial plastic surgeon with extensive training in Kybella.
Post-treatment, Kybella causes a significant inflammatory response that can last for several weeks. The worst portion of this swelling is the first 3-4 days followed by slow resolution. In some patients, hard lumps or nodules may be present. These tend to resolve slowly. Generally, it is best to wait for resolution of any significant edema or nodules before having another treatment.
Nodules are a common side effect when receiving a Kybella treatment. Even though it is acceptable to receive a second treatment after 4 weeks, most doctors recommend waiting until the side effects are resolved before proceeding with the second treatment. Since results can continue to be improved upon after the fourth week, I recommend the second treatment around the 6 week range. Wishing you the best.
Firm areas after Kybella are to be expected
Nodules can occur as part of the body’s inflammatory
response as the submental area is sensitive to begin with. On average,
if one develops nodules they should smooth out between 4 – 6 weeks. It is
best to wait for the nodules to dissipate and maintain communication with your
provider before having another treatment.
Thanks for your question. This is a fairly common question after Kybella treatment. Nodules will dissipate over the first 4-6 weeks. I would recommend waiting for your second treatment until these nodules have smoothed out. Of course, if you have any concerns you should always call the doctor that injected your Kybella immediately. Best of luck!
Kybella is a fantastic procedure to get rid of permanent unwanted submental fat. However, I would definitely wait until the nodules are gone before re-treatment. I generally wait 6 weeks after the first treatment to evaluate the patient for the second series of Kybella injections. Best, Dr. Green
I let my patients know that the second Kybella injection can be done as
soon as four weeks.However, I prefer to
inject them every six weeks to make sure that their inflammation has resolved
before starting a subsequent treatment.
Nodules after Kybella Injection
Four weeks after injection with Kybella, it is within the normal to have a few nodules. I would suggest waiting another couple weeks so that they have resolved before your next session.
Kybella injection nodules
Post injection, one may occasinally see nodules and feel areas that are somewhat firmer than prior to the injection. Waiting for a month or so allows for this routine inflammation to subside. It also allows both the patient and the provider a chance to evaluate the results and also the need for addtional treatments.