Insect bite: what to do in case of blisters?

2023-07-25 14:02:47

The blister, more scientifically called “Phlyctene“, corresponds to a lifting of the epidermis which forms a bulge filled with a clear liquid. “It is a defense mechanism of the skin once morest an attack which causes a separation of the epidermis and the dermis. A small pocket of liquid forms between these two normally superimposed layers”, explains Emilie Kapps, naturopath.

The blister can be the result of a burn, repeated rubbing, a contact allergy or even certain skin diseases. “Sometimes, it is secondary to a sting or an insect bite when the itching is such that the inopportune scratching ends up causing a detachment of the epidermis”, according to the naturopath. In other cases, an insect bite can cause a small thickness, a kind of small bump on the skin. “In this case, we speak rather of ‘false blister’ than of a blister strictly speaking”, underlines the expert.

Be careful, if you have a severe reaction to an insect sting or any other bite, contact the emergency department as soon as possible. Hospital care will prevent complications, whether in case of allergy (anaphylactic shock, angioedema, urticaria, asthma…), toxic reaction (multiple bites) or of bacterial superinfection.

What insect bites cause blisters (blisters)?

Several stings and bites from insects or other small creatures can cause one or more small blisters to appear on the skin. We then speak of blisters. This is particularly the case of mosquitoes, bedbugs, spiders, bees, but also mites (ticks) or fleas.

Which mosquito increases the risk of blisters?

All mosquito species can cause blisters. But the usual symptoms following a mosquito bite are rather intense itching associated with a pimple and redness linked to pruritus. In France, we know the mosquito of the genus Aedes albopictus or mosquito tiger (now well established in France), mosquitoes of the genus Anopheles, mosquitoes Cudex, but Culicoides are also present.

Be careful, it happens that the mosquito bites trigger a allergies called Skeeter’s syndrome. This local inflammatory reaction is sometimes accompanied by fever, vomiting or difficulty breathing in the most serious cases.

Which spider causes blisters? How to recognize a bite?

THE spider bites often cause a blister that appears within hours. Other symptoms are often present at the site of the bite (or sting) such as sometimes sharp pain, redness, swelling and itching. Sometimes an ulcer forms in the days following the bite.

The severity depends on the type of venom (and therefore the species of spider) but also on its quantity. Some bites can lead to necrosis of the affected area or even more or less serious general and neurological signs. There malmignatte would be considered the most dangerous spider in France that can cause, for up to two days, pain on the bitten area, sweating and fatigue.

The bed bug: what is this beast that gives blisters?

THE bed bug bites cause small flat red bumps that are sometimes intensely itchy. Sometimes blisters can appear in the days following the bite. Bed bug bites can also cause insomnia from excessive scratching.

Tick ​​bites, itchy blisters?

Tick ​​bites are painless causing a small red ball on the bite area. However, sometimes the tick bite causes swelling, itching, blisters and bruising.

After a tick bite or sting, it is important to extract the tick(s) as quickly as possible. Indeed, if the tick carries the Borrelia bacterium, the risk of transmission of this bacterium, responsible for Lyme disease, increases with the duration of the tick’s attachment to the skin.

Other types of stings that cause blisters (bees, fleas, mites, etc.)

A Bee sting, bumblebee, wasp or even hornet can cause blisters to appear within hours. But the first signs are most often sharp pain, rapid swelling, redness, warmth and itching.

Flea bites can cause a blister.

THE mites can also sting, sometimes causing blisters.

Many others insects may cause skin reactions such as blisters in the hours following the bite. We find in particular: the bites of ants, flies, horseflies, etc.

How to treat blisters caused by insect bites?

If you have one or more blister(s) related to an insect or mite bite, it is better to don’t pierce it. Unless it is large in diameter and very painful (in which case you can pierce it with a sterile needle. Then disinfect with an antiseptic solution and cover the pierced blister with a bandage without removing the dead skin covering it ).

“In order to limit the risk of infection, disinfect the bite site following cleaning with soap and water delicately. You can use a antiseptic or simply alcohol vinegar. You can protect the blister with a bandage. A cold compress or an ice pack can help relieve pain and reduce swelling,” according to Emilie Kapps, naturopath.

Remember: prevention is better than cure. In order to avoid the biting insectsavoid walking in the tall grass and give preference to closed shoes and long and covering clothes.

In case of signs of allergy, do not hesitate to make an appointment with your doctor. If symptoms of severe allergic reactions appear (difficulty breathing, palpitations, loss of consciousness…), urgent care is essential. Contact the SAMU directly by dialing 15 or 112.

Blister following an insect bite: what to do to overcome it naturally?

THE natural treatments can be very effective in relieving bites that are blistering. THE best remedies once morest the bites of small animals causing blisters are:

• calendula oil : its healing properties make it a formidable ally once morest insect bites and blisters;
• emu oil : it has anti-inflammatory, anti-infectious, healing and analgesic properties;
• apple cider vinegar : its anti-inflammatory and anti-infectious properties help relieve pain and disinfect blisters caused by insect bites;;
• aloe vera gel: it relieves pain and can inhibit inflammation;
• witch hazel floral water: it helps relieve skin inflammation and heal small wounds;
• essential oils (EO) with anti-inflammatory and calming properties such as essential oil of plantain, lavender or tea tree. Please note that essential oils are contraindicated in pregnant and breastfeeding women and in children under 6 years old.

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