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Lupus and Germs: Why a Simple Cold Isn’t Simple

August 20, 2016 By
Lupus germs
Image Credit: KickRocksLupus

You’ve probably heard someone say it: “You can’t catch lupus.”

That’s true. Lupus isn’t contagious. You can’t get it from a handshake, a hug, or sharing a meal.

But here’s what almost nobody talks about: the reverse is what’s dangerous.

Not you catching lupus from someone else. Someone else’s germs catching up to you.

When the body has lupus, the immune system isn’t doing its actual job anymore. The job it was designed for. Protecting against outside threats.

On top of that, many of the medications doctors prescribe to keep lupus under control, like prednisone, methotrexate, and mycophenolate mofetil, work by deliberately suppressing the immune system.

That’s the whole point. Calm down the overactive immune response so it stops attacking the body.

But that same suppression means fewer defenses against the outside world. Less protection when a cold virus shows up.

If you’re living with lupus, you already know this in your bones. If you love someone who is, this might be the most important thing you read about their day to day reality.

Why a Simple Cold Isn’t Simple

Here’s the paradox that makes lupus so hard to explain.

The immune system is overactive. It attacks the body’s own healthy tissue, causing inflammation in the joints, the skin, the organs.

That’s the autoimmune part. But at the same time, it’s underperforming where it actually matters. It doesn’t always respond to real threats the way a healthy immune system would. Viruses, bacteria, infections can slip through more easily.

And then there are the medications that doctors prescribe. Drugs like prednisone, methotrexate, and mycophenolate mofetil work by deliberately suppressing the immune system.

That’s the whole point. Calm down the overactive immune response so it stops attacking the body. But that same suppression means fewer defenses against the outside world. Less protection when a cold virus shows up.

So when someone with lupus catches a cold, it’s not just a cold. The immune system, already confused and already suppressed, gets activated to fight the virus.

And then it doesn’t settle back down. It keeps going. Now it’s attacking the virus and the body at the same time.

A cold triggers a flare. A flare means weeks of recovery. Sometimes months.

This is what the Lupus Foundation of America calls the “double whammy.” You get sick from the illness itself, and then your lupus gets worse because of it.

Two battles at once, in a body that was already fighting a war on the inside.

The Daily Reality of Protecting a Vulnerable Immune System

If you’re reading this and you have lupus, you know exactly what I am going to talk about next.

It’s the pause before you say yes to anything. The mental checklist that runs in the background of every invitation: How many people will be there? Is it indoors? Has anyone been sick?

It’s the awkward moment when you ask a friend, “Hey, are you feeling okay? I just have to check because of my immune system,” and hope they don’t think you’re being difficult.

It’s the family gathering you skip because your nephew has a runny nose and nobody thought to mention it. The coworker who comes to the office with “just a little something” and doesn’t realize they just handed you a week in bed.

The guilt of RSVPing no to things you genuinely want to attend, because the risk math doesn’t work out in your favor. (And if guilt has been a theme in your life longer than lupus has, you might understand this more than most.)

It’s also the loneliness. The isolation that builds up over time. Friends who stop inviting you because you always say no, and they don’t understand why. Family members who think you’re being dramatic. The quiet voice in your own head that wonders: Am I being too careful? Am I just making this a bigger deal than it is?

You’re not making it a bigger deal. You’re living in a body that can’t protect itself the way other people’s bodies can. That’s not paranoia. That’s paying attention.

The Numbers Behind the Risk

These aren’t meant to scare anyone. They’re here because most people, including a lot of people with lupus, have never been told just how serious this actually is.

Infections are responsible for a significant portion of hospitalizations among people with lupus, ranging from about 13% to 37% depending on the study.

Among lupus patients, the lifetime risk of a serious bacterial infection sits around 50%. And when an infection does take hold, it can be more severe and harder to treat than it would be in someone with a healthy immune system.

The Lupus Foundation of America notes that the combination of the disease itself and the medications used to manage it creates a heightened vulnerability. Lupus patients on corticosteroids or combined immunosuppressants face infection rates substantially higher than those not on these drugs. Even something as routine as the flu can spiral into something more dangerous when the immune system is already compromised.

A 2023 medical review by Barber and colleagues, examined the dual impact of the disease and its treatments on infection risk in lupus. The findings were clear: infections play a substantial role in the health outcomes of lupus patients, accounting for a large proportion of hospitalizations and a meaningful share of serious complications.

The numbers are not theoretical. They are the reason this conversation matters.

If You Have Lupus

Every person’s lupus is different. Someone on hydroxychloroquine alone is in a different situation than someone on high dose prednisone plus mycophenolate.

Understanding where you fall on that spectrum, with the help of a rheumatologist, can make the difference between living in fear and living with reasonable awareness.

The basics matter more than people think. Hand washing. Avoiding crowded indoor spaces when something is going around. Wearing a mask in places where it makes sense. These are everyday tools. Some people use them, some don’t. The point is that each person gets to decide what feels right for their own body.

And then there’s the part that’s harder than any practical measure: saying no. Telling a friend you can’t come because someone in the room might be sick. Asking a loved one to stay home when they have a cold. Setting a boundary and holding it, even when it feels awkward, even when people don’t understand. That’s not being difficult. That’s taking care of a body that needs more care than most.

Protecting yourself doesn’t make you high maintenance. Small everyday boundaries are not small at all. They’re what keep you safe.

If You Care About Someone With Lupus

This part is for the partners, the parents, the friends, the coworkers, the neighbors. If someone in your life has lupus and you want to understand what helps, here’s where to start.

When people stay home because they’re sick, that’s one of the most caring things they can do for someone with a compromised immune system. A cold that barely registers for you can mean weeks of illness and a lupus flare for them.

Calling, FaceTiming, texting, dropping soup on the porch, those are the alternatives. Showing up in person is not the kind thing when you’re carrying germs.

When someone with lupus cancels plans because they heard you coughing, that’s not rejection. They want to see you. They’re making a calculation about what their body can handle, and in that moment, the math doesn’t work. Understanding that without taking it personally is a gift.

When they tell you they’re more vulnerable to infection than you are, believe them. You don’t need to understand the science. You just need to trust that they know their own body.

The most supportive thing you can do is see their limits with understanding and not add to what they already struggle with. Limits are just limits. Respect them without making them heavier than they already are.

Ask what they need instead of assuming. Sometimes it’s simply saying, “I get it. I’ll be here when you’re ready.” Those small acts of understanding are real support. Not a gesture. Just the practical, day to day kind of love that shows up in actions more than words.

The Hardest Part No One Talks About

There’s a particular kind of exhaustion that comes with this. Not the physical kind.

It’s the exhaustion of constantly scanning for risk in situations other people move through without a second thought. The mental load of evaluating every handshake, every invitation, every shared space for potential danger. The emotional weight of wondering if you’re being too careful or not careful enough. The loneliness of living with a threat most people can’t see and don’t think about.

It’s the friends who drift away because they don’t understand why you keep saying no. The family members who think you’re exaggerating. The strangers who give you a look when you take precautions they don’t understand. And underneath all of it, the worst voice of all, the one inside your own head that whispers: maybe they’re right.

If that’s you, here’s what’s true: protecting yourself when you have lupus is not paranoia. It’s not high maintenance. It’s not an overreaction. It’s what your body needs. And if someone in your life can’t understand that, the gap in understanding belongs to them, not to you.

There isn’t a perfect solution for navigating a world full of germs in a body that can’t afford to catch them. But slowly, a middle ground can be found between vigilance and living. Lowering expectations on the hard days. Trusting instincts when something doesn’t feel safe. Giving yourself grace when protecting yourself feels lonely.

Here’s what it comes down to

Lupus is invisible. Most people can’t see what’s happening inside the body. They can’t see the immune system that’s both overactive and underperforming.

They can’t see the medications that keep someone alive while making them more vulnerable. They can’t see the mental math that runs every single day: is this safe, is this worth it, can I afford to get sick right now.

But you know, and now they know too.

If you’re living with lupus, I hope this helps you feel a little less alone in the vigilance. If you love someone who is, I hope this helps you understand why they sometimes seem “too careful.” They’re not. They’re doing exactly what their body needs.

Something Worth Remembering

Learning about infection risk can feel like one more thing to worry about in a body that already demands so much. When the numbers first sink in, the weight of them settles.

But knowing the risks and living in fear are two different things. The goal isn’t to be perfect. It’s to be informed, and to give yourself grace on the days when protecting yourself feels lonely or exhausting or impossibly hard.

You’re not overreacting. You’re not being difficult. You’re navigating a body that needs more care than most, and you’re doing it every single day.

Protecting yourself isn’t giving up on life. It’s making it possible to keep living it.

💜

P.S. Did you know that if you’re living with lupus or many other health conditions you can Get Paid To Share Your Experience With Lupus, Autoimmune And Other Diseases?

You can get paid for your time and contribution when you are participating in research studies that involve phone interviews, online surveys, that kind of thing. This is one small way to contribute to research while putting a little money back in your pocket.

Learn more and participate HERE

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Filed Under: Blog, Lupus Triggers