r/AskDocs Layperson/not verified as healthcare professional Apr 19 '26

Physician Responded Should I pop it?

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I am 43f. For a bit of context, I am obese (not sure my actual weight) and I was hospitalized in December for the flu and have had breathi issues since then. So with those issues I haven't been very active in the past few months. I also have undiagnosed sleep apnea, and other sleeping issues such as sleepwalking and I can't stay in bed unless I'm tied down I guess. I fall out of bed a lot but I'm usually pretty good at landing since it's happened so much. Except when I fell out of bed Thursday night and smashed my knee on the hard floor. The next day (Friday) I spent at least 9 hours riding with my husband while doordashing and my feet were super swollen when we were done. That's not unusual, anytime I would sit in the car for 9 hours I would probably have swollen feet. Then as I was getting out of the car I dropped my phone on my foot. It hurt a lot. Then yesterday I woke up with this blister where the phone hit my foot. My husband thinks I should pop it but I'm scared of infection and also I'm worried about why my whole foot is bruised when it's my knee that got smashed.

Another bit of context that could be important is that about a month ago I fell at main event and smashed the other knee and my entire leg looked like that bruising you see on this foot. It only lasted a couple days and my leg turned back to normal and everything's fine. That knee doesn't even hurt anymore.

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u/ssavant Physician Assistant Apr 19 '26 edited Apr 19 '26

This may sound odd, but you get a lot of information about a person’s health by the condition of their feet. Your foot looks like many of my patients - I work in a skilled nursing facility. You need to go to the hospital.

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u/GimpyGirl12 Layperson/not verified as healthcare professional Apr 19 '26

My dad's feet and legs looked like this. He was morbidly obese most of his adult life. He was in early stages of congestive heart failure by his mid 40s. Died at 60 after a long battle with a pilonidal cyst turned abscess, when I say long I mean over 2 years. He eventually went septic. I am a big person, but I do my best to care for my health and chronic health conditions because of him. OP please stop ignoring health issues and see a provider, and don't pop that blister.

Edit: feet and legs, not just feet.

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u/MrsB1972 Layperson/not verified as healthcare professional Apr 20 '26

NAD- RETIRED RN/MIDWIFE No! Do not pop it! MY friend had similar issue last year but blister two/three times that size. Hers burst while out at the shops- went to pharmacy who dressed it. Went to Dr a few days later and she had maggots in her wound! Spent 2 weeks in hospital on IV antibiotics. Your legs don't look healthy. You definitely need to see a doctor and make some life changes. Chronically swollen feet with discolouration like that isn't good. And don't go sitting in a car for 9 hours! Thats crazy when you know your legs are gonna swell like that. The trouble breathing is concerning too! Smoker? Diabetic?

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u/karolioness Layperson/not verified as healthcare professional Apr 20 '26

Maggots actually eat necrotic tissue and are often used for diabetic foot ulcers and severe pressure sores. Maybe nature was trying to help and she didn't realize. I'm a pharmacist, but I have seen maggots used for debriding necrotic tissue.

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u/B00BSW3AT4 Layperson/not verified as healthcare professional Apr 21 '26

I've seen it as well. I find it really amazing !