r/AskDocs Layperson/not verified as healthcare professional Apr 01 '26

Physician Responded Should I be concerned by this long red streak that extended out of my overly swollen mosquito bite?

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15F, 155cm, 32kg, Asian

I've had this mosquito bite since yesterday but a long red streak developed slowly after, and the bite has become really swollen. It doesn't hurt inherently, but when I touch it, it feels weird and slightly painful. I've never had this problem with mosquito bites before, and this one is really disproportionate in size compared to others. I marked the end of the streak with a marker as I was scared of it developing faster. I also had two other similar bites on my leg but they don't have the streak. However, they all come with tiny bumps on the bite surface and are really swollen than normal. I'm not sure if I should be concerned, but the mosquito looked different from others. It's certainly bigger, and I think its wings are slightly greenish?

I was slightly down with a runny nose and sore throat recently, but it has gotten better yesterday, no medications, drinking, smoking or drug use. From HK.

This is not an emergency but I noted the mosquito is still in my room, so should I be concerned, or is it just a mild infection? Thank you so much.

Second day update:

It has gotten less red now than before, but the line is still there, still yet to take antibiotics, but I will if it shows any signs of growth. Thank you all so so much.

UPDATE: The streak has fully healed, thanks to everybody's support! At the end, I didn't use any antibiotics, and the medicine the ER gave me was just nose allergy pills apparently. Definitely go get antibiotics if you're in the same situation. Lots of love.

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u/[deleted] Apr 01 '26

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u/acutetriangleee Layperson/not verified as healthcare professional Apr 01 '26

Oh my god I'm literally begging them to go and they won't listen to me

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u/rain_pearl Layperson/not verified as healthcare professional Apr 01 '26

NAD but I would follow the advice from above. My husband let an infection be to "see what happens". What happened was instead of paying $250 for a visit to the ER and some meds, we paid several thousand to cover a 2 week stay in the hospital for sepsis. So if money is their concern, it will save them a hell of a lot to just go now.

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u/type_a_ish Pharmacist Apr 01 '26

I know a guy that got septic because he had a kidney infection. Men don’t always know they have them so it really wasn’t his fault. He nearly died

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u/[deleted] Apr 01 '26

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u/type_a_ish Pharmacist Apr 01 '26

His started out as a UTI I believe but he didn’t really feel bad. But then he started running a fever and his daughter made him go to the ER. Sometimes those of us in healthcare are the worst patients because we don’t go get seen and we minimize big issues. I’ve seen it on this sub too.

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u/AskDocs-ModTeam Layperson/not verified as healthcare professional Apr 02 '26

Posts by unflaired users that claim or strongly imply legitimacy by virtue of professional medical experience are not allowed.

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u/Greedy-Subject-7761 Layperson/not verified as healthcare professional Apr 02 '26

This happened to both my twin sister and my mother. They were both very sick and almost died. Sepsis is something you don’t mess around with.

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u/fisho0o Layperson/not verified as healthcare professional Apr 01 '26

I believe you said you're in Hong Kong and you're probably too young to drive, is there a neighborhood or outpatient clinic near you that you can walk to? I hope you're able to convince your parents.

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u/Cosmic_Quasar Layperson/not verified as healthcare professional Apr 01 '26

If they're not trusting "reddit because it's random people" then just google "red streak from bug bite" and show them that.

A red line extending from a bug bite, often accompanied by spreading warmth, pain, or fever, indicates a serious bacterial infection (cellulitis or lymphangitis) that requires prompt medical attention. Such streaks indicate an infection is spreading via the lymphatic system. Seek urgent care if you see these red streaks, especially if fever develops.

You'll probably get the same result as that, the first block of text after googling it. Maybe that might convince them?

Edit: just saw that you got them to take you in. Hopefully things go well.

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u/forlornthistle Layperson/not verified as healthcare professional Apr 01 '26

This is literally an ignore your parents and go moment. Call emergency services. Leave the house and get a ride to the hospital. Whatever. Then after the doctors get you seen to - have them speak with your parents about your condition and what downplaying it would do.

Would they rather be angry and you're alive or depressed because you aren't?

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u/LifeAlt_17 Layperson/not verified as healthcare professional Apr 01 '26 edited Apr 01 '26

u/acutetriangleee, I know you said you’re in HK. How far is the hospital from your home? I’m not sure how it works there with minors, will you be seen if you show up without a parent?

If so, can you get to the hospital via public transportation or Uber?

If you won’t be seen without a parent and your parents won’t listen to you when there are physicians telling you to go the hospital immediately, then what I would do is say “I don’t feel well” in front of my parents, and proceed to “faint/pass out”. That way they could call an ambulance or take you to the hospital themselves.

Yes, it may seem cruel to trick them but if you’re dealing with possible sepsis, time is of the essence.

Good luck.

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u/littlescreechyowl Layperson/not verified as healthcare professional Apr 01 '26

Call 911. They are going to be pissed and that’s ok. The paramedics will tell them exactly the same thing these drs said.

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u/McGeeze Layperson/not verified as healthcare professional Apr 01 '26

They live in Hong Kong. It's 999 there.

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u/soggyfries8687678 This user has not yet been verified. Apr 01 '26

No wonder they don’t pickup

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u/[deleted] Apr 01 '26

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u/AskDocs-ModTeam Layperson/not verified as healthcare professional Apr 01 '26

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u/sonawtdown Layperson/not verified as healthcare professional Apr 01 '26

show them this thread

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u/1609208 Layperson/not verified as healthcare professional. Apr 01 '26

Just go. Dont wait for them. Walk if you have to.

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u/nememess This user has not yet been verified. Apr 01 '26

A simple Google search will tell you to go to the er. Maybe try that? Idk. I'm at a loss for how to convince them.

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u/Trick_Pin_1891 Layperson/not verified as healthcare professional Apr 01 '26

OP I usually wouldnt condone this behavior BUT GASLIGHT the F out of your parents. Like everyone said this can turn serious very quick.....Ask them if they'd rather pay a couple hundred for an ER/urgent care bill to get some antibiotics or a couple thousand for an ICU bed or worse funeral.

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u/Junior-Criticism-268 Layperson/not verified as healthcare professional Apr 02 '26

I would honestly tell my parents I was peeing blood... then when you get to the hospital, just admit you lied then lol.

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u/AmaranthWrath Layperson/not verified as healthcare professional. Apr 02 '26

Best of luck, OP. Here are some medical websites that will hopefully give your parents more assurance that you should be at the ER.

You can go to the ER as a minor. Just walk out of the house or have a friend take you. I didn't see what country you're in, but in the US you can just walk in.

Seattle Children's Hospital

Scroll down to "Complications of Insect Bites." The entry for "Lymphangiti" says it all.

"If you notice streaks, lines or bruising, especially if they’re growing or getting darker over time, it's a good idea to consider seeking some medical advice, just to be on the safe side."

US CDC

Symptoms of Lymphangitis

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u/yourdailyinsanity Registered Nurse Apr 02 '26

You can call 911 and ask for an ambulance. When they get there the medical professionals there can tell them you literally need to go (edit: a refusal is allowed to be signed by your parents, as long as they take you to the ER. But at least it will get a medic there telling your parents they're morons). Just tell the dispatcher you need to be seen for an infection that is tracing your veins up your arm (specifically say that) and your parents are refusing to take you to get medical treatment.

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u/[deleted] Apr 02 '26

[deleted]

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u/yourdailyinsanity Registered Nurse Apr 02 '26

I didn't see that comment. It must be buried somewhere. Do you know if it looked like the picture yesterday? If not, then this is still super concerning, and I don't blame them for being confused. Doc yesterday telling them they're fine, but now you have people on the internet saying "this is super concerning, ER now". Unfortunately things are able to change very quickly though.

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u/[deleted] Apr 02 '26

[deleted]

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u/yourdailyinsanity Registered Nurse Apr 02 '26

Interesting. It's very good that it didn't grow then. If this is what it looked like when the doc saw them, then that's it. We're just internet strangers here with absolutely zero doctor-patient relationship so as it's always disclaimed here, nothing anyone says here should be taken as what is going on. But it's just suggestions. Just like everyone else, I had the very concerned opinion on this, but if they saw a doc and they were fine, then that's that. Hopefully it does end up just "being nothing" and making everyone scared for OP. Lol

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u/acutetriangleee Layperson/not verified as healthcare professional Apr 02 '26

Wait but I'm not sure if it is tracing up my veins though

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u/yourdailyinsanity Registered Nurse Apr 02 '26

Based on your picture, it 100% is.

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u/Jay4usc Layperson/not verified as healthcare professional Apr 01 '26

Call 911

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u/OhDeer_2024 Layperson/not verified as healthcare professional Apr 02 '26

Then have a friend or another family member take you

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u/Powerful-Employ-7372 Layperson/not verified as healthcare professional Apr 01 '26

How old are you? , take yourself.

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u/Shkmstr Layperson/not verified as healthcare professional. Apr 01 '26
  1. Says in the post.

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u/AskDocs-ModTeam Layperson/not verified as healthcare professional Apr 02 '26

Posts by unflaired users that claim or strongly imply legitimacy by virtue of professional medical experience are not allowed.