Most bug bites heal on their own with a few simple steps: clean the area, reduce swelling with cold, and control the itch. The whole process takes a few days for common mosquito, flea, or ant bites, though spider bites and tick bites need extra attention. Here’s exactly what to do.
Clean the Bite and Cool It Down
As soon as you notice a bite, gently wash the area with soap and water. This removes bacteria that could cause infection later. Then apply a cloth dampened with cold water, or wrap ice in a thin towel and hold it against the bite for 10 to 20 minutes. The cold constricts blood vessels under the skin, which limits swelling and dulls the itch almost immediately. You can reapply the ice pack as needed throughout the day.
Resist the urge to scratch. Scratching breaks the skin and introduces bacteria from under your fingernails, which is the most common way a simple bite turns into an infection. If you catch yourself scratching in your sleep, cover the bite with a small bandage overnight.
Over-the-Counter Itch Relief
For mild itching, calamine lotion works well. Apply it directly to the bite several times a day until the itching clears up, up to about four applications daily. It dries to a chalky pink film that cools the skin and creates a mild barrier against scratching.
Hydrocortisone cream is another option. A standard 1% concentration, available at any pharmacy without a prescription, reduces inflammation and itching when applied to the bite. It’s especially useful for bites that are red and puffy.
If the itching is widespread or keeps you awake, an oral antihistamine can help from the inside out. Non-drowsy options like cetirizine (Zyrtec) or loratadine (Claritin) are good choices during the day. These work by blocking the chemical your body releases in response to the bite, which is what causes the itch and swelling in the first place.
Simple Kitchen Remedies That Help
A baking soda paste is a classic home fix. Mix about three parts baking soda to one part water until you get a thick paste, then dab it onto the bite and let it sit for 10 to 15 minutes before rinsing. The alkaline mixture helps neutralize the mild acids in some insect venom and provides temporary itch relief.
If you’re covered in bites from a flea infestation or a bad night outdoors, a colloidal oatmeal bath can soothe large areas of skin at once. Add the oatmeal to lukewarm water (not hot, which worsens itching) and soak for 10 to 15 minutes. Colloidal oatmeal contains compounds that form a protective film on the skin and reduce inflammation. You can find it premade in most drugstores, or grind plain, unflavored oats in a blender until they dissolve in water.
Removing a Tick Safely
Ticks require a specific removal technique because they burrow their mouthparts into your skin. Don’t wait for a doctor’s appointment. Delaying removal increases your risk of tick-borne illness.
Grab fine-tipped tweezers and grasp the tick as close to your skin’s surface as possible. Pull straight upward with steady, even pressure. Don’t twist or jerk, which can snap the mouthparts off and leave them embedded. If the mouthparts do break off, you can try to remove them with tweezers, but if they won’t come out easily, leave them alone. Your body will push them out naturally as the skin heals.
After removal, dispose of the tick by sealing it in a container, wrapping it tightly in tape, flushing it down the toilet, or dropping it in rubbing alcohol. Then clean the bite area and your hands thoroughly with soap and water or hand sanitizer.
A few important things to avoid: never use petroleum jelly, nail polish, or a hot match to try to make a tick “back out.” These methods can agitate the tick and force infected fluid from its body into your skin, doing exactly the opposite of what you want.
Bites That Need More Than Home Care
Most bites are harmless, but a few situations call for professional help. Venomous spider bites are one. Black widow bites typically show two small puncture marks and can cause muscle pain, cramping, and sweating that spreads beyond the bite. Brown recluse bites often develop a small white blister at the site, and the venom can destroy surrounding skin tissue over the following days. Neither of these can be effectively treated at home. Do not attempt to remove venom. If you suspect either spider, get medical attention promptly.
Infections are the other concern. A bite that’s getting worse instead of better after two or three days may be developing cellulitis, a bacterial skin infection. Watch for these signs:
- Increasing redness that spreads outward from the bite
- Warmth and swelling around the area
- Pain that intensifies rather than fading
- Pus or oozing from the bite
- Fever or chills
A growing rash without fever warrants a visit within 24 hours. A rapidly spreading rash with a fever is more urgent.
Signs of a Severe Allergic Reaction
A small number of people develop anaphylaxis after a sting or bite, most commonly from bees, wasps, or fire ants. This is a life-threatening emergency that can become fatal within 30 minutes without treatment. Call 911 immediately if you notice any of these symptoms after a bite or sting: swelling of the face, lips, or throat; difficulty breathing or swallowing; wheezing; a weak or rapid pulse; dizziness or fainting; hives spreading across the body; or nausea, vomiting, and diarrhea. Do not wait to see if symptoms improve on their own. If the person carries an epinephrine auto-injector, use it right away while waiting for emergency help.