Why Do I Get Sick More Often Than I Used To

This page reflects our understanding of mental health topics as of 2026. If you are reading this at a later date, some details may no longer be current, so please verify anything important against up to date sources. If you notice anything that needs updating, we would welcome you letting us know.

It used to be one cold a winter. Now it feels like you are always recovering from something, a sore throat, a stomach bug, a cough that lingers for weeks. You finally get a few days off and promptly come down with something. Maybe you have started to wonder whether something is wrong with your immune system, or whether this is just what getting older feels like.

Getting sick more often can have straightforward explanations, and some that deserve a medical look. It can also be one of the ways long-term stress shows up in the body, something people often overlook because it does not feel like a mental health issue.

It Could Be a Lot of Things

New exposures. Starting a new job, commuting on busy transit, or having children in daycare or school all bring more contact with viruses. Parents of young children in particular often notice a sharp increase in illness.

Sleep. Short or poor quality sleep weakens the immune response. Even a few weeks of reduced sleep can make you more vulnerable to infections.

Nutrition and activity. Skipped meals, low intake of fruit and vegetables, heavy alcohol use, and very little movement can all affect how well your body fights off illness.

Medical conditions. Diabetes, anemia, thyroid problems, autoimmune conditions, some medications, and other health issues can increase how often you get sick or how long it takes to recover. If you are getting frequent infections, have unexplained fevers, weight loss, or night sweats, or infections are unusually severe, please see a doctor.

Season and environment. Winter months, dry indoor air, and crowded indoor spaces all make respiratory infections more common.

When It Looks More Like Burnout

The connection between stress and immunity is well documented. In the short term, the stress response can actually boost some immune activity. But when stress continues for months, the body's stress hormones stay elevated, which can dampen parts of the immune system and make it harder to fight off infections. Chronic stress also disrupts sleep, appetite, and exercise, which adds to the effect.

Burnout is one of the most common sources of this kind of sustained stress. It develops from ongoing work pressure that has not been successfully managed and tends to bring exhaustion, cynicism about your job, and a sense of being less effective.

A few patterns suggest burnout may be contributing:

Frequent illness and burnout can also feed each other. Being sick adds to workload stress, missed work creates backlog, and returning before you have recovered makes it easier to get sick again.

What Can Help

Getting Support at Pacific Maple Psych Centre

If frequent illness is one of several signs that you are running on empty, therapy can help you understand the stress behind it and build sustainable changes, from setting limits at work to recovering from burnout.

Pacific Maple Psych Centre offers individual therapy for burnout, chronic stress, and work-life strain, in Vancouver and virtually across British Columbia.

Book a Session

Common Questions About Stress and Getting Sick Often

Can chronic stress really make me catch colds more often?

Yes. Research consistently links long-term stress with a higher risk of infections such as colds. Sustained stress hormones can dampen parts of the immune response, and stress also tends to disrupt sleep, eating, and exercise, which adds to the effect.

Why do I always get sick as soon as I go on vacation?

Some people notice illness at the start of time off, sometimes called leisure sickness. One theory is that stress hormones help keep symptoms at bay during busy periods, and when the pressure drops, the body's defences shift. It can be a sign that your workload is unsustainable.

Is getting sick often a sign of burnout?

It can be one sign, particularly if it started during a period of prolonged work stress and comes with exhaustion, cynicism about your job, and reduced effectiveness. It is important to rule out medical causes as well.

Which signs mean frequent infections need a medical check?

See a doctor if infections are unusually frequent, severe, or slow to clear, or if you have unexplained fevers, weight loss, night sweats, or persistent fatigue. These signs warrant a medical assessment regardless of stress levels.

How much does sleep affect how often I get sick?

Sleep plays a major role in immune function. Studies show that people who regularly sleep less are more likely to catch colds after exposure to a virus. Improving sleep is one of the most practical ways to reduce how often you get sick.

Can having kids in daycare explain getting sick all the time?

Very often, yes. Young children in daycare or school are exposed to many viruses and bring them home. Parents frequently notice a spike in illnesses during the first few years, which usually eases as children's immune systems mature.

Why does it take me longer to recover from colds than it used to?

Pushing through illness instead of resting, poor sleep, ongoing stress, and some medical conditions can all slow recovery. If slow recovery is new or worsening, it is worth mentioning to a doctor.

Does working through illness make burnout worse?

It often does. Continuing to work while sick drains energy, slows recovery, and increases the chance of getting sick again. Over time, this cycle can deepen exhaustion and add to burnout.

Can therapy help if stress is making me physically ill?

Therapy cannot treat infections, but it can help reduce the chronic stress that contributes to them. Addressing burnout, improving boundaries, and building recovery habits often leads to better physical health as well as mood.

What are other physical signs of burnout besides getting sick?

Common physical signs include persistent fatigue, headaches, muscle tension, stomach problems, changes in appetite, and trouble sleeping. These often appear alongside emotional signs like irritability, cynicism, and dread about work.