Swelling after under-eye fillers is normal and peaks within the first 24 to 48 hours. Most of it resolves within 7 to 10 days, with final results visible by the two-week mark. The good news: there are specific steps you can take at home to bring that swelling down faster and avoid making it worse.
Why Under-Eye Fillers Cause So Much Swelling
The under-eye area swells more than almost any other injection site for two reasons. First, the skin there is extremely thin, with very little fat cushioning between it and the underlying bone. Trauma from the needle or cannula triggers an inflammatory response, and that inflammation has nowhere to hide.
Second, hyaluronic acid fillers are hydrophilic, meaning they attract and bind water. Some filler formulations absorb significantly more fluid than others. Products that haven’t fully reached their swelling equilibrium during manufacturing have a greater tendency to draw in water after injection. This is why many injectors choose low-swelling filler types specifically for the tear trough area. But even with the best product choice, swelling still depends on injection technique, depth of placement, and your individual tendency to retain fluid.
The Normal Swelling Timeline
Knowing what to expect day by day helps you avoid unnecessary worry.
- Hours 0 to 48: Swelling is at its worst. Bruising may appear. This is the peak inflammation window and when home care matters most.
- Days 3 to 5: Swelling begins to drop noticeably, though some puffiness lingers. The filler is starting to settle into place.
- Days 7 to 10: The majority of visible swelling and bruising should be gone.
- Week 2: The filler has fully integrated with your tissue, and you can see your true results.
If swelling is still significant after two weeks, or if it goes away and then returns, that’s a different situation covered further below.
Cold Compresses: The Most Effective First Step
Icing the area is the single most helpful thing you can do in the first 48 hours. Apply a cold compress gently for 5 to 10 minutes per hour during the first two days. Wrap ice or a gel pack in a thin towel rather than placing it directly on the skin, which can cause cold damage to that delicate tissue. Move the compress slowly across the area with light pressure. Pressing too hard can shift the filler before it settles. Let your skin return to its normal temperature between sessions before reapplying.
Sleep With Your Head Elevated
For the first night (and ideally the first two or three nights), sleep on your back with an extra pillow propping your head up. This lets fluid drain away from the under-eye area through your lymphatic system instead of pooling there overnight. If you’ve ever noticed that under-eye puffiness is always worst in the morning, this is why: lying flat allows fluid to accumulate around the eyes. Sleeping elevated counteracts that. After the first few nights, you can gradually return to your normal position, but try to avoid sleeping face-down while any tenderness remains.
What to Eat and Drink (and What to Avoid)
Salt is the biggest dietary culprit. Sodium causes your body to hold extra water, and that retained fluid will concentrate right where you least want it: around the filler. For the first week, cut back on processed foods, takeout, soy sauce, and anything notably salty. Focus on fresh fruits and vegetables, lean proteins, and water-rich foods like cucumber and watermelon.
Avoid alcohol for at least 24 to 48 hours after treatment. Alcohol thins the blood and dilates blood vessels, which worsens both swelling and bruising. Staying hydrated with water sounds counterintuitive when you’re trying to reduce puffiness, but dehydration actually triggers your body to hold onto more fluid. Steady water intake helps your system flush excess fluid more efficiently.
Supplements That Help
Bromelain, an enzyme derived from pineapple, meaningfully reduces both bruising and swelling. The typical recommendation from dermatology centers is 500 mg twice daily, starting one week before treatment and continuing for two weeks after. If you didn’t start before your procedure, beginning it afterward still helps.
Arnica montana, available as oral tablets or topical gel, is another popular option for reducing bruising. Many injectors recommend starting it a few days before treatment. If you’re past that window, topical arnica applied gently around (not directly on) injection sites can still support recovery.
Medications That Reduce Swelling
Over-the-counter antihistamines can help when swelling is more pronounced than expected. Non-drowsy options like loratadine (10 mg once daily) or cetirizine (10 mg once daily) reduce the histamine-driven component of the inflammatory response. These are particularly useful if you tend to be a “puffy” person in general or have a history of allergic reactions.
Avoid anti-inflammatory painkillers like ibuprofen and aspirin in the first day or two unless your injector specifically says otherwise. These thin the blood and can worsen bruising. Acetaminophen (Tylenol) is the safer choice for managing any discomfort.
What to Avoid in the First 48 Hours
Beyond alcohol and sodium, a few other things can prolong swelling. Intense exercise raises your blood pressure and heart rate, pushing more blood flow to the face. Skip heavy workouts for at least 24 to 48 hours. Heat exposure from saunas, steam rooms, hot yoga, and prolonged hot showers also increases swelling. Touching, massaging, or pressing on the treated area can shift filler and irritate the tissue. If your injector gave you specific massage instructions for a particular filler type, follow those, but otherwise leave the area alone.
Prevention Before Your Next Treatment
If you haven’t had the procedure yet, or you’re planning a touch-up, you can reduce swelling before it starts. Stop blood-thinning supplements and medications about a week beforehand (with your doctor’s guidance for prescription blood thinners). Common culprits include fish oil, vitamin E, ginkgo biloba, and over-the-counter painkillers like ibuprofen and aspirin. Start bromelain a week before treatment. These steps can make a noticeable difference in how much you swell.
When Swelling Isn’t Normal
Most post-filler swelling is harmless, but two situations need attention.
Malar Edema
This is a specific type of persistent swelling that shows up on the cheekbone area, often as puffy “bags” that don’t resolve on their own timeline. It can last for months and responds poorly to home treatments. People who already tend to get puffy cheeks after salty meals or after sleeping are at higher risk. If you notice swelling that persists well beyond two weeks, or swelling that disappears and then comes back (often worse in the morning), contact your injector. Hyaluronidase, an enzyme that dissolves hyaluronic acid filler, is the most effective treatment. A study of 20 patients with eyelid edema found that a single hyaluronidase injection rapidly resolved swelling in most cases, especially when treated within the first few weeks. Edema lasting longer than six months typically requires multiple treatment sessions.
Vascular Occlusion
This is rare but serious. It happens when filler blocks a blood vessel. Warning signs include intense pain that seems disproportionate to the procedure, skin that turns white (blanched) or blue-purple, and the area feeling cool to the touch. These symptoms typically appear within hours of injection. If you notice any combination of unusual pain with skin color changes, contact your injector or seek medical care immediately. Early treatment can prevent tissue damage.
If Swelling Persists After Two Weeks
When swelling hasn’t meaningfully improved by the two-week mark, it likely isn’t standard post-procedure inflammation anymore. The filler itself may be drawing in too much water in that tissue, or you may be developing malar edema. Your injector can evaluate whether the filler needs to be partially or fully dissolved with hyaluronidase. Early intervention produces better outcomes: patients treated within the first few weeks after edema develops typically need only one session, while longer-standing swelling requires repeat treatments over several weeks.