A bee sting typically appears as a small raised bump with a central puncture point, surrounded by a red or discolored patch of swollen skin. The area is usually between 1 and 2 centimeters across in a normal reaction, though it can grow significantly larger over the next day or two. What you see depends on how long ago the sting happened, whether the stinger is still embedded, and how your immune system responds to the venom.
What a Fresh Sting Looks Like
In the first few minutes, a bee sting shows a small puncture wound at the center of a raised, firm bump. The skin around it quickly becomes red or discolored and begins to swell. You’ll likely notice a sharp, burning pain at the site right away, followed by itching as the area continues to react to the venom.
If you were stung by a honey bee, there’s a good chance the stinger is still in your skin. Honey bees have barbed stingers that tear away from the bee’s body and stay lodged in the wound, along with a venom sac that continues pumping venom even after the bee is gone. The stinger looks like a tiny dark splinter or thorn poking out of the puncture site. You may also see a small, translucent sac attached to it. Wasps and bumble bees, by contrast, have smooth stingers and usually don’t leave anything behind, so the absence of a visible stinger doesn’t mean you weren’t stung.
If you spot a stinger, remove it as quickly as possible. The longer it stays, the more venom it delivers. Scraping it sideways with a fingernail or credit card edge works, but simply pulling it out with your fingers is fine too. Speed matters more than technique.
How the Sting Changes Over 24 to 72 Hours
A normal bee sting reaction doesn’t peak immediately. Swelling and redness typically increase over the first 24 to 48 hours before gradually subsiding. The bump may feel warm and firm to the touch, and itching often replaces the initial pain during this phase. Some bruising or deeper skin discoloration can develop around the sting site as well, especially on thinner skin like the arms or face.
This progression can look alarming, particularly when the swelling seems to grow the day after the sting. That’s a normal part of your body’s inflammatory response to the venom and doesn’t automatically signal an infection or allergy. Most normal reactions resolve within 5 to 10 days, with the redness and swelling gradually fading and the puncture site forming a small scab or dry spot as it heals.
Large Local Reactions
Some people develop what’s classified as a large local reaction: swelling that extends more than 10 centimeters (about 4 inches) around the sting site. If you’re stung on the hand, for example, the swelling might spread up your forearm. The entire area becomes red, puffy, and intensely itchy, sometimes resembling a skin infection or cellulitis.
Large local reactions are caused by an exaggerated immune response to the venom, not by bacteria. They’re uncomfortable and can take 5 to 10 days to fully resolve, but they aren’t the same as a dangerous systemic allergic reaction. They do tend to happen again with future stings, often at a similar intensity.
Signs of a Serious Allergic Reaction
A systemic allergic reaction looks very different from a localized sting. Instead of swelling limited to the sting area, you’ll see skin changes across the body: raised, itchy welts (hives) appearing on skin far from the sting site, widespread flushing, or skin turning noticeably pale. The face, lips, or throat may swell visibly.
These skin signs are often accompanied by difficulty breathing, a tight feeling in the throat, dizziness, nausea, or a rapid pulse. This type of reaction, called anaphylaxis, usually begins within minutes of the sting and progresses fast. It’s a medical emergency. The visual clue that separates it from a normal sting is that the reaction isn’t confined to the area around the puncture. It’s happening everywhere.
Bee Stings vs. Wasp Stings
Visually, bee stings and wasp stings look very similar at the skin surface. Both produce a raised, red, swollen bump with a central puncture point. The main visible difference is the stinger: honey bees leave theirs behind, while wasps almost never do. If you see a stinger embedded in the wound, it was very likely a honey bee. If the puncture site is clean with no stinger, a wasp, hornet, or yellow jacket is more probable, though a bumble bee could also be the culprit.
The pain, swelling, and healing timeline are roughly the same for both types of stings, and the same range of allergic reactions can occur with either.
When a Sting Looks Infected
Normal swelling from a bee sting can mimic the appearance of an infection, which makes it tricky to tell the two apart. The key distinction is timing and direction. Normal sting reactions swell and redden in the first 48 hours, then start improving. An infection typically sets in after the initial swelling has started to fade, or the redness begins spreading outward again after 72 hours.
Signs that suggest infection rather than a normal reaction include redness that keeps expanding with visible red streaks radiating from the sting, pus or cloudy drainage from the puncture site, increasing pain rather than decreasing pain after the first couple of days, and fever. If the sting looked like it was getting better and then took a turn for the worse, that pattern points more toward infection than venom reaction.