Telltale Signs of an Infected Ingrown Toenail
May 02, 2026
Catching the warning sign of an infected ingrown toenail early keeps treatment simple. If you recognize any of them, see our expert team at South Texas Foot Surgeons, PA, in San Antonio and Kerrville, Texas, ASAP. We can provide the right care before complications develop.
An ingrown toenail occurs when the edge of a toenail (usually the big toe) curves downward and starts growing into the surrounding skin instead of over it. Studies suggest that ingrown toenails affect roughly 20% of people who seek medical care for their feet. Chances are you’ve had one — or will at some point.
Most ingrown toenails start with tenderness along the nail edge, some redness, and mild discomfort in tight shoes. While the problem often resolves by itself, when it doesn’t, the nail can keep pressing into the skin — and it can create an open wound at risk of infection.
An infected ingrown toenail can develop into cellulitis, form an abscess, or, in people with diabetes or poor circulation, cause deep tissue damage that’s much harder to treat.
Signs that your toenail is infected include:
A normal ingrown toenail hurts when something presses on it and eases when the pressure is gone. When the nail is infected, the pain is persistent and tends to throb.
Some people notice it at night when the bedsheet barely grazes their toe. If the area around your ingrown toenail has been hurting for several days without improvement, it could be due to infection.
Some redness and puffiness around an ingrown nail is normal. When it’s infected, the redness is deeper and more inflamed, and the swelling spreads beyond the nail edge to the tip of the toe. Pressing on the affected area also causes a sharp tenderness.
If the redness is spreading up the toe toward the foot, the infection is moving through the surrounding tissue and needs urgent attention.
When your body is fighting an infection, it increases blood flow to the area, which generates heat and inflammation. An infected toe feels noticeably warmer than the skin around it or the same toe on the other foot.
Alongside redness and swelling, warmth around the affected toe is a reliable sign that your body is actively fighting an infection.
Yellow or white fluid around the nail edge or seeping from the surrounding skin means bacteria has gotten into the toenail area and you have an infection. A foul odor is another sign of bacterial activity.
Don’t try draining it at home, as doing so can push the infection deeper or introduce more bacteria. Any discharge around an ingrown toenail is a reason to come see our team ASAP.
When an ingrown toenail has been left long enough, the body sometimes responds by producing excess tissue over the nail edge. It may look like a raised, soft flap of skin that’s red, moist, and bleeds easily when touched.
It’s the body’s attempt to protect itself from the nail, but it doesn’t solve the problem. Instead, it creates more surface area for bacteria to take hold and makes the infection harder to clear.
If a fever or chills develop alongside the other symptoms, the infection may be spreading beyond the toe. For people with diabetes, poor circulation, or a weakened immune system, this can happen quickly and lead to serious complications.
An infected ingrown toenail doesn’t always get better on its own. In its early stages, treatment is straightforward, but the longer it’s left, the more complicated it may become.
At South Texas Foot Surgeons, PA, our team can treat the infection, relieve your pain, and help you avoid a recurrent ingrown toenail problem. Contact your nearest office in San Antonio or Kerrville, Texas, to schedule an evaluation today.