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common cold is caused by which virus
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Infectious Illnesses
Question #23979
45 days ago
84

common cold is caused by which virus - #23979

Kian

I am really freaking out here! For the past week, I’ve been feeling miserable with what I think is a common cold, you know, the usual stuff like a runny nose, sneezing, and this annoying scratchy throat!! I looked it up and realized how many people get colds all the time, but now I’m super curious. I got hit with this outta nowhere, and at first, I thought maybe it was just allergies or something, but it plummeted into full-on cold mode. Anyway, I went to the doc and they didn’t do much other than suggest rest and fluids. But now, I can’t shake this nagging question: the common cold is caused by which virus? Like, is it just one specific virus or a bunch of em? I read somewhere about rhinoviruses, but then I saw other names like adenovirus and some others?? I mean, it feels like there’s a whole family of them, and I can’t help but wonder if knowing which virus causes my cold could help me feel better faster? Maybe not, but still… why do they all seem to love causing sniffles and sore throats? In any case, any insight would be appreciated!! A simple yes or no about the virus thing would be nice too.

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Doctors' responses

The common cold is predominantly caused by rhinoviruses, which are indeed the most frequent culprits behind those pesky cold symptoms like a runny nose, sneezing, and a scratchy throat you’re experiencing. Rhinoviruses account for about 50% of all colds, so it’s pretty likely that’s what you’re dealing with. But you’re right that there are multiple viruses that can cause similar symptoms. Besides rhinoviruses, other viruses like coronaviruses, adenoviruses, and respiratory syncytial virus (RSV) can also be behind the common cold. Parainfluenza viruses are another example, although they often cause more severe illnesses like croup in young children. In truth, knowing exactly which virus is causing your symptoms usually doesn’t change the way we manage a cold, since the treatment is essentially the same: rest, hydration, and symptomatic relief like antihistamines or decongestants if necessary. Most colds are self-limiting, meaning they resolve on their own, typically within a week or two. If symptoms persist beyond this or you develop signs like high fever, shortness of breath, or chest pain, seeking further medical evaluation is important just to rule out more serious conditions like a bacterial infection or something else requiring specific treatment. Otherwise, simple strategies like staying hydrated, getting plenty of rest, and maybe using a humidifier can help manage the symptoms as your body fights off the virus.

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