Antibiotics alone usually aren't enough for an abscess; most need to be drained by a doctor to remove the pus, but antibiotics help clear the infection and prevent spreading, especially for larger or deeper ones, or when catching it very early. Small, superficial abscesses might resolve with warm compresses and antibiotics, but if it's growing, painful, or shows signs of spreading (fever, chills), drainage is crucial, sometimes with surgery, alongside antibiotics.
Antibiotics alone won't get rid of tooth infections, but you may need to take them in addition to having a dental procedure. For example, draining the abscess, doing a deep cleaning, performing a root canal and pulling a tooth that can't be saved are all primary treatments for a tooth infection.
Treatment may include:
As discussed above, tooth abscess swelling disappears after 1 to 3 days of taking antibiotics.
Usually, the infection is caused by a type of staph bacteria. Staph — short for Staphylococcus (staf-uh-low-KAH-kus) — bacteria live on the skin. Staph aureus and MRSA (methicillin-resistant Staph aureus) are the most common bacteria that cause abscesses.
If you have a fever and swelling in your face and you can't reach your dentist, go to an emergency room. Also go to the emergency room if you have trouble breathing or swallowing. These symptoms may indicate that the infection has spread deeper into your jaw, throat or neck or even to other areas of your body.
Your wound will take between 6 and 12 weeks to heal fully. It is normal for your wound to leak some fluid while it is healing (this does not mean it is infected).
Common Signs an Abscess Is Healing
Once the pus is drained, pressure inside the abscess reduces, and pain often improves within one or two days. The area may still feel tender, but sharp or throbbing pain should fade.
However, this can vary depending on how bad the infection is, the type of bacteria, and your overall health. While antibiotics help by reducing bacteria and swelling, they might not fully get rid of the infection or all the symptoms.
Skin abscesses >0.4 centimeters (cm) in depth may require a drainage procedure, while those <0.4 cm may be safely treated with antibiotics alone. Additional data is needed to determine an optimal size cut-off for when a drainage procedure is not necessary.
Gentle heat will increase blood flow, and speed healing. A warm, wet towel applied for 20 minutes several times a day is enough. Be careful not to burn yourself. Do not let your wound dry out.
Causes of skin abscesses
Skin abscesses are usually caused by an infection. It's normal to have bacteria on your skin without it causing an infection. However, bacteria can sometimes get into your skin, for example through a cut or along a hair follicle. This can cause pus to form, creating an abscess.
What your urgent care doctor can do for skin infections and abscesses. Your urgent care doctor will examine your skin infection or abscess. If you have an abscess, your doctor will also need to incise and drain your abscess in the office.
The pus contains a mixture of dead tissue, white blood cells and bacteria. Often if an abscess is caught early enough antibiotics can be given which may help prevent the abscess from developing. Sometimes the abscess will burst by itself and at this point no operation would be required.
In fact, in vivo pharmacokinetic data demonstrate that substantial antibiotic concentrations can be reached within abscesses in humans and animals, provided the choice of an appropriate agent and an optimal dosing regimen.
This means that if the abscess is large, with its effects spreading to your face and jaw, it could take longer than 48 hours for everything to go back to normal. On the other hand, if the abscess is small or just starting to take form, it can easily heal within a day or two of antibiotics.
Sometimes, these infections can get worse, even when you're taking antibiotics. This can be a sign that you need stronger or different antibiotics to treat the infection. Certain characteristics of your infection can help you figure out if you need to visit your doctor's office or the emergency room.
Signs Indicating Recurrent Abscesses Mean a Fistula
Signs of a skin abscess can include:
For severe infections or immunocompromised patients, anti-pseudomonal antibiotics like fourth-generation or higher cephalosporins or extended-spectrum penicillins like piperacillin-tazobactam should be considered. Carbapenems like meropenem should also be reserved for severe infections.
The skin may begin to heal and close, and any drainage should reduce or change in appearance from yellow or green to clear or light-colored, indicating that the infection is clearing up. Over time, the warmth around the abscess should subside, and the tenderness in the area should lessen.
Healing Stage: After drainage, the body focuses on repairing the tissue. The swelling and redness gradually decrease, and the skin starts to close over the abscess. New tissue forms to replace damaged cells. This stage can take several days to weeks, depending on the size and severity of the abscess.
Avoid strenuous activity for the next eight hours in order to prevent excess bleeding. 3. Your wound may continue to drain a large amount over the next several days as the infection slowly heals. You may apply gauze dressing to the wound to protect your clothing.
Also known as boils, abscesses are easily treated by a general surgeon in the comfort of the doctor's office.
An abscess forms when your immune system walls off an infection, usually bacterial (like Staph), creating a pocket filled with pus (bacteria, white blood cells, dead tissue) that can't drain, often entering through cuts, follicles, or blocked glands. While bacteria are the main culprit, fungi, parasites, or blocked ducts can also cause them, leading to painful, swollen, red lumps, and sometimes deeper internal abscesses from surgery or existing conditions.