Most bed bug bites heal on their own within one to two weeks. Wash them with soap and water, use an anti-itch cream or oral antihistamine for relief, and avoid scratching to prevent infection; see a doctor for a severe allergic reaction or signs of infection. The lasting fix, though, is eliminating the infestation.
Key Takeaways
- They heal on their own — most bites clear up within one to two weeks without special treatment.
- Clean, soothe, don’t scratch — soap and water plus anti-itch cream or antihistamine ease symptoms.
- Watch for warning signs — severe allergic reactions or infected bites need a doctor.
- No disease, but treat the source — bed bugs don’t transmit illness, yet bites keep coming until the infestation is gone.
How do I treat bed bug bites at home?
Keep it simple. Wash the bites with soap and water to clean the skin and reduce the chance of infection. For itching, an over-the-counter anti-itch cream such as a hydrocortisone cream, or an oral antihistamine, can bring relief. A cool compress also helps calm the irritation.
The hardest part is leaving them alone. Scratching breaks the skin and opens the door to secondary bacterial infection, which is the most common real complication of bed bug bites. The CDC notes that bed bug bites can usually be treated with antiseptic creams or lotions and antihistamines, and that most bites heal on their own (CDC). Keep nails trimmed and cover the bites if you tend to scratch in your sleep.
When should I see a doctor about bed bug bites?
For most people, never; the bites simply fade. But seek medical care if you have a severe allergic reaction, such as widespread hives, swelling, or difficulty breathing, which is uncommon but possible. Likewise, see a doctor if a bite shows signs of infection: increasing redness, warmth, swelling, pus, or red streaking spreading from the site.
Also consider professional advice if bites are extensive, intensely itchy, or not improving after a couple of weeks, or if a child or someone with a weakened immune system is affected. A clinician can rule out other causes and recommend stronger treatment if needed. Remember that bed bugs are not known to transmit disease, so the concern is the reaction and any secondary infection, not an illness from the bug itself.
How long do bites last, and how do I stop new ones?
Individual bites typically resolve within one to two weeks, though reactions vary and some people show little response while others develop pronounced welts. New bites appearing night after night are a clear sign the infestation is still active, since treating the skin does nothing to the bugs.
That is why the real solution is environmental. Eliminating the infestation stops new bites at the source. Heat is a cornerstone, with sustained temperatures around 118 to 120°F killing all life stages and a hot dryer run of 30 minutes killing bugs and eggs in fabrics, alongside encasements, vacuuming, and proven products. Confirm you actually have bed bugs with how to check for bed bugs, then clear them with how to get rid of bed bugs and treat fabrics via how to kill bed bugs with your washing machine and dryer.
Frequently Asked Questions
How long do bed bug bites take to heal?
Most bites heal on their own within one to two weeks. Reactions vary from person to person, with some showing little more than small red marks and others developing itchier welts. If bites persist well beyond two weeks, consider seeing a doctor.
Can bed bug bites make me sick?
No. The CDC reports that bed bugs are not known to transmit disease to humans. The main risks are itching, lost sleep, and occasional secondary infection from scratching. A severe allergic reaction is uncommon but warrants medical attention.
What is the best thing to put on bed bug bites?
Washing with soap and water, then applying an over-the-counter anti-itch cream like hydrocortisone or taking an oral antihistamine, usually provides relief. A cool compress can help too. The most important step is not to scratch, which prevents infection.
Why do I keep getting new bites?
Because the infestation is still active. Treating bites soothes your skin but does nothing to the bugs, so new bites appear until you eliminate the source. Inspect and treat your home to stop them. See how to get rid of bed bugs.