How to Treat Flea Bites

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If you have dogs or cats in your home or you go hiking in your spare time, you may run into the occasional flea. Fleas ignore some humans while feasting on others, leaving behind inflamed, itchy red bumps, usually around the ankles and feet. Luckily, there are plenty of things that you can do at home to treat these annoying bites, and it’s normally not anything you really need to worry about. However, some people can be allergic to flea bites, and if you experience any odd symptoms, rashes, swelling on your tongue or mouth, or difficulty breathing, see a doctor immediately.

Method 1
Method 1 of 3:

Proven Remedies

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  1. Rinse the skin off with warm water to wash away any dirt or debris. Then, use a mild hand soap to gently clean the skin. Rinse off any excess soap. This will clean the area and remove any bacteria the flea may have been carrying. [1]
    • You can put an ice pack on the skin for 10 minutes after you wash the skin if you’d like. This can prevent swelling or soothe any irritation you may be experiencing. [2]
  2. Either of these ointments, which you can get at your local drugstore, will ease any itching you experience. Simply squirt a dollop of your chosen ointment onto the bite and work it into the skin with your fingers. [3]
    • Hydrocortisone is a mild steroid cream, while calamine lotion contains ferric oxide. Both of them will soothe your symptoms and speed up your healing time. Both are available over-the-counter (OTC) and are safe to use in quantities directed by the manufacturer.
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  3. Sometimes, flea bites itch so severely that you need to take an oral antihistamine. Your doctor or pharmacist can provide suggestions for OTC or prescription solutions. [4] Some antihistamines that you might consider include: [5]
    • Diphenhydramine (Benadryl).
    • Tripelennamine hydrochloride (PBZ). This one is no longer sold in the United States.
    • Hydroxyzine (prescription only).
  4. Excessive scratching can damage the skin and allow infections to occur. Use an over-the-counter itch relief product like calamine lotion or one containing hydrocortisone to relieve the itching instead. [6]
    • The flea bite should go away in 1-2 days in most cases, but it depends on how deep the bite was. At the latest, the bite should disappear after 1-2 weeks.
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Method 2
Method 2 of 3:

Home Remedies

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  1. If you feel a sudden impulse to scratch the area where you were bit, grab an ice pack and hold it against the skin until the urge goes away. [7] Hold it in place for 10-20 minutes at a time to soothe that itchy feeling.
    • Wrap the ice pack in a cloth if you’re going to leave it on your skin for more than a few seconds.
  2. You can either break apart an aloe vera leaf and rub the gel onto your bites or use a commercially bottled aloe vera gel. The cooling sensation should reduce your urge to itch, and aloe vera may reduce redness and swelling. [8]
  3. You can make an oatmeal bath out of unprocessed and uncooked oats, but your best bet is to buy an oatmeal bath kit designed for this. Just follow the instructions on the box to draw your bath. [9] Be sure to draw a lukewarm bath though, since hot water has a tendency to make the urge to itch worse. [10]
    • If you’re going to make an oatmeal bath out of uncooked oats, they have to be unprocessed to work. That flavored packet stuff won’t cut it here. Simply grind up 1-2 cups (80-160 grams) of your oats in a food processor and add them directly to your bath. You can soak in the tub as long as you’d like.
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Method 3
Method 3 of 3:

Prevention

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  1. Fleas aren’t particularly good at biting people through thick fabric. If you’re going outside, wear long sleeves and pants whenever possible. This will keep fleas from getting on your arms or legs, which tend to be the main locations where fleas will bite. [11]
    • If it’s super hot out, don’t worry about this. Don’t risk heat stroke just to keep fleas off of you. You can use insect repellents to keep fleas off of bare skin if you’re wearing short sleeves.
  2. For an added dose of protection, purchase an insect repellent spray that contains 0.5% permethrin. Spritz your clothes with the spray before you put them on and head out for the day. This will help keep fleas away from you. [12]
    • Permethrin isn’t the most effective flea repellent in the world. It’s safe on skin, but its main benefit is that you can douse your clothes in it. This makes permethrin the ideal choice if you want additional protection on your clothes all day. [13]
    • You can even buy permethrin-treated clothing! [14]
  3. There are 6 proven solutions that will safely prevent flea bites. Any insect repellent containing DEET, picaridin, IR3535, OLE, PMD, and 2-undecanone is going to keep fleas away. You can’t give OLE or PMD to children under 3 years of age, but other than that, these are all safe options. Just follow the instructions on the label to apply the repellent. [15]
    • Unless you’re under 3 years of age, all of these repellents are safe on skin or clothes. Always use them as directed, and keep the repellents away from your eyes, nose, or mouth.
  4. There’s some evidence that fleas dislike citrus smells. Make a solution that’s roughly 80% water, 10% of any citrus essential oil, and 10% clove oil and pour it in a spray bottle. Spritz the ground where you want to keep the fleas away. They should avoid the area for roughly 3 hours. [16]
    • This will likely only work to keep fleas out of an area for a short period of time. Do not apply this solution to your skin. Essential oil-based solutions are not effective for preventing flea bites on skin. [17]
    • You may also try solutions involving khaki weed, turmeric, thyme oil, geraniol, peppermint oil, cedar oil, or patchouli. These may temporarily drive fleas away, but they aren’t safe or sustainable options for topical prevention. [18]
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Expert Q&A

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  • Question
    How do l treat flea bites on my face?
    Luba Lee, FNP-BC, MS
    Board-Certified Family Nurse Practitioner
    Luba Lee, FNP-BC is a Board-Certified Family Nurse Practitioner (FNP) and educator in Tennessee with over a decade of clinical experience. Luba has certifications in Pediatric Advanced Life Support (PALS), Emergency Medicine, Advanced Cardiac Life Support (ACLS), Team Building, and Critical Care Nursing. She received her Master of Science in Nursing (MSN) from the University of Tennessee in 2006.
    Luba Lee, FNP-BC, MS
    Board-Certified Family Nurse Practitioner
    Expert Answer
    Clean the bites with an antiseptic and then use an antihistamine to control itching and discomfort.
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      Tips

      • Fleas can transfer tapeworms through their bites, but this is mainly an issue for pets. [19] Still, it’s worth seeing a doctor if you experience nausea, weakness, a loss of appetite, abdominal pain, or unexpected weight loss. [20]
        Thanks
        Helpful 1 Not Helpful 0
      • If you end up with fleas in your home , you can typically get rid of them by washing your clothes, vacuuming, and steam cleaning your carpets. It can take a while to get rid of them, and it will certainly be annoying, but this typically isn’t a huge problem. [21]
        Thanks
        Helpful 2 Not Helpful 0

      Tips from our Readers

      The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.
      • For relief from flea bites on humans, buy the same aloe vera in the bottle that you use for sunburn relief. Rub it on the afflicted areas and then set up a fan to blow on the aloed areas. This relieves itching and provides immense relief.
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      Warnings

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      References

      1. ↑ https://kidshealth.org/en/teens/bug-bites.html
      2. ↑ https://kidshealth.org/en/teens/bug-bites.html
      3. ↑ https://www.ncbi.nlm.nih.gov/books/NBK541118/
      4. ↑ https://www.ncbi.nlm.nih.gov/books/NBK541118/
      5. ↑ https://www.aafp.org/afp/2013/1215/p841.html
      6. ↑ https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/fleas
      7. ↑ https://www.ncbi.nlm.nih.gov/books/NBK541118/
      8. ↑ https://www.mymdnow.com/blog/take-the-bite-out-of-flea-bites/
      9. ↑ https://www.michigan.gov/documents/flintwater/Dos_and_Donts_of_Rashes_Dr_Barkey_Final_530621_7.pdf
      1. ↑ https://www.aocd.org/page/FleaBites
      2. ↑ https://www.cdc.gov/fleas/prevention/index.html
      3. ↑ https://www.cdc.gov/fleas/prevention/index.html
      4. ↑ https://phpa.health.maryland.gov/IDEHASharedDocuments/permethrin.pdf
      5. ↑ https://www.epa.gov/insect-repellents/repellent-treated-clothing
      6. ↑ https://www.cdc.gov/fleas/avoid/on_people.html
      7. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059459/
      8. ↑ http://npic.orst.edu/pest/flea.html
      9. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059459/
      10. ↑ https://www.cdc.gov/dpdx/dipylidium/index.html
      11. ↑ https://www.mayoclinic.org/diseases-conditions/tapeworm/symptoms-causes/syc-20378174
      12. ↑ https://www.canr.msu.edu/ipm/uploads/files/Fleas.pdf
      13. ↑ https://www.betterhealth.vic.gov.au/health/ConditionsAndTreatments/fleas
      14. ↑ https://www.nhs.uk/conditions/insect-bites-and-stings/symptoms/
      15. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059459/
      16. ↑ https://pubmed.ncbi.nlm.nih.gov/22805458/

      About This Article

      Article Summary X

      To treat flea bites, wash them with warm, soapy water and apply an ice pack to reduce the swelling. You can also wash flea bites with green or black tea, or put used green or black tea bags directly on the bites. Have an aloe vera plant? Just break apart a leaf and rub the gel on your bites for some relief. If you have bites all over your body, you can also try taking an oatmeal bath, which may help soothe inflammation from the bites. For information from our Medical reviewer on treating flea bites with over-the-counter medications, read on!

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