Possible side effects include:
Headaches , difficulty swallowing, nausea, skin tightness, lumpiness/hardness, hypertension. It is also completely normal to feel loose or jiggly feeling under the chin.

Possible side effects to the injection site include:
Bruising, pain, swelling, numbness, redness, tingling, itching, discolouration.

Before receiving Belkyra, tell your healthcare provider about all of your medical conditions, including if you have had or plan to have surgery on your face, neck, or chin; have had cosmetic treatments on your face, neck, or chin; have had or have medical conditions in or near the neck area; have had or have trouble swallowing; have bleeding problems; are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed. Please also notify doctor if you are on any supplements or medications to thin down blood – as this will increase the risk of bleeding and bruising.