What to do if you get blisters after being bitten by an insect
Summer is the season when insect bites are most common. Bites from mosquitoes, ticks, and cryptids may cause skin redness, swelling, blisters, and even infection. This article will provide you with structured solutions based on hot topics and hot content from the entire network in the past 10 days.
1. Common insects and characteristics that cause blisters
| Insects | Bite characteristics | High incidence areas |
|---|---|---|
| Cryptoptera | Striped redness and swelling, clear blisters, and burning sensation | Southern humid areas |
| tick | Central black spot, annular erythema | mountain forest grass |
| fleas | Groups of small blisters and severe itching | pet contacts |
| mosquito | Single induration, occasional blisters | Nationwide |
2. Emergency handling steps
1.Clean the wound: Wash the affected area with soap and water for 15 minutes, avoid scratching
2.Disinfection and sterilization: Disinfect with iodophor or alcohol cotton pads (the venom of Cryptoptera must be removed with tape first)
3.Relieve itching and swelling: Apply cold compress for 15 minutes/time, or apply calamine lotion
4.Blister treatment: Small blisters remain intact, large blisters require sterile puncture in the hospital
3. Drug treatment plan
| Symptom level | Recommended medicine | Things to note |
|---|---|---|
| Mild itching | Paeonol ointment, peppermint ointment | 2-3 times a day |
| Obvious redness and swelling | Hydrocortisone cream (weak hormone) | Not to be used continuously for more than 7 days |
| accompanying infection | Mupirocin ointment (antibiotic) | Use when pus appears |
| systemic allergies | Oral loratadine | Seek medical attention promptly |
4. Danger signs to be wary of
• The diameter of the blister exceeds 1cm or expands rapidly
• Develop systemic symptoms such as fever and headache
• "Bull's eye" erythema at the bite site (possible Lyme disease)
• Black or green pus oozes from the wound
5. Hot search list of preventive measures
| prevention methods | Hot search index | effectiveness |
|---|---|---|
| Mosquito repellent spray (contains DEET) | ★★★★★ | Protection for 4 hours |
| Physical mosquito net | ★★★★☆ | 100% protection |
| Vitamin B1 taken orally | ★★☆☆☆ | More controversial |
| Light-colored long-sleeved clothing | ★★★☆☆ | Reduce bites by 50% |
6. Special reminder from experts
The latest data from the Chinese Center for Disease Control and Prevention show that cases of vector-borne infectious diseases in the summer of 2023 increased by 12% year-on-year. Things to note when dealing with insect bite blisters:
• Do not pull out a tick bite by force. Use alcohol to numb it and remove it vertically with tweezers.
• The golden treatment period is within 6 hours after contamination with cryptid venom.
• People with diabetes are more likely to develop secondary infections after being bitten
7. Differences in response plans across regions
According to the guidelines issued by local health commissions in the past 10 days:
•Guangdong area: Focus on preventing cryptids, and it is recommended to reserve Ji Desheng Snake Tablets for external application.
•Northeastern region: Emphasis on the 21-day observation period after a tick bite
•Jiangsu and Zhejiang regions: It is recommended to include peppermint essential oil in your home first aid kit
If symptoms continue to worsen or severe reactions such as confusion occur, you should go to the hospital emergency department immediately. During summer outdoor activities, it is recommended to carry a first aid kit containing antihistamines, disinfectant pads, and mosquito repellent.
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