Lip Filler Risks: What to Know and When to Get Help

Seek immediate medical attention for unusual pain, a change in vision, or skin near an injection that becomes white, grey or blue. Stroke symptoms, such as a suddenly drooping face, weakness or trouble speaking, also need emergency care. Do not wait for your injector to reply or for a scheduled review.

The FDA warns that filler can block a blood vessel and cause permanent harm, including tissue death, blindness or stroke. Its warning applies during or shortly after injection. Severe allergic reactions also need emergency assistance. The absence of these signs does not prove that a lump or swelling is harmless.

The FDA lists swelling, bruising, redness and tenderness among common dermal filler risks. Other reported problems include infection and raised bumps under the skin. Some reactions appear much later than the injection, so the date alone cannot rule out a complication.

Cleveland Clinic also lists cold sore reactivation, uneven lip size and migration for lip filler. These are different problems. A change in appearance needs assessment before anyone can tell you which explanation fits.

The American Academy of Dermatology links more serious side effects to inadequate injector training and non-medical settings. Choose a licensed healthcare provider with training and experience in facial filler injections. A salon, party or home appointment is not an appropriate substitute.

Ask how the clinic handles complications and how you can get help after hours. Request a clear explanation of the proposed treatment, including its limits. If the answers are unclear, pause before agreeing to an injection.

In the U.S., check that the exact product is FDA approved for the intended use. Approval is specific to a product and treatment area. Ask to read its patient information and check the name on the sealed packaging with the provider.

The FDA advises against filler sold directly to the public and needle-free injection pens. An online product listing or a claim that a pen avoids needles does not establish safety. Outside the U.S., ask the provider to explain the local approval requirements.

The American Academy of Dermatology asks patients to disclose medical conditions, allergies, bleeding problems, cold sores and previous cosmetic treatments. Include earlier filler or implants, even if treatment was elsewhere.

Bring a full list of medicines, non-prescription products and supplements. Give the provider the information needed to assess your risk. Ask whether any part of your history means treatment should be delayed or avoided.

Cleveland Clinic describes dissolving hyaluronic acid lip filler with an enzyme called hyaluronidase. A provider must first assess whether it is appropriate. Dissolving is a further medical intervention, not an assurance that all consequences of treatment can be undone.

The FDA cautions that reducing or removing filler carries risks. Some materials, especially permanent fillers, can be difficult or impossible to remove. Keep a record of the exact product used.