Why do you keep getting frequent colds in spring? Causes explained

Жінка на балконі під весняним теплим сонцем
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Жінка на балконі під весняним теплим сонцем

Before summer, some people more often notice a runny nose, fatigue, a “general feeling of unwellness,” mild cold-like symptoms, or worsening of allergies. This may be related to seasonal infections, increased levels of allergens, and changes in environmental conditions. A short or mild episode on its own does not necessarily indicate a health problem, but if symptoms become frequent, prolonged, or overall condition worsens — it is worth paying attention.

In spring, the body often reacts to seasonal changes, temperature fluctuations, and exposure to new allergens. At the same time, respiratory viruses continue to circulate during this period, so symptoms may have different origins. In such cases, it is important to assess not only the presence of discomfort itself, but also its duration, frequency, and overall pattern.

Tree flowering in spring that may cause seasonal allergy

Why you may get sick more often in spring

Body adaptation

The transition between seasons is a period when temperature, humidity, pollen levels, activity patterns, sleep, and even diet change. The body does not “break down,” but it does go through adaptation. Because of this, mild short-term symptoms may feel more noticeable than in winter or during more stable periods. This is more of a contextual explanation rather than a medical diagnosis.

External factors

In spring, pollen becomes an important trigger, and respiratory viruses do not suddenly disappear. The CDC notes that the common cold remains a very frequent infection, with adults experiencing on average 2–3 colds per year, and children even more. So not every runny nose in May is something unusual.

What may affect How it may manifest
Pollen and allergens Runny nose, itching, watery eyes
Mild viral infections Nasal congestion, weakness, sore throat
Changes in sleep and activity patterns Fatigue, feeling drained
Weather fluctuations Increased sensitivity of mucous membranes

When this may be within the normal range

Mild symptoms

A short episode of a runny nose, a few days of fatigue, or a reaction to pollen can be a typical part of the seasonal transition. Especially if symptoms resolve on their own, do not significantly disrupt daily life, and do not keep recurring.

Short-term conditions

If symptoms are not long-lasting, without high fever, severe weakness, shortness of breath, or prolonged course, they often do not indicate anything serious. However, it is important to look not at a single day, but at the overall pattern over several weeks. This is clinical reasoning rather than dramatization.

How to distinguish a cold, allergy, and seasonal fatigue

In spring, symptoms may look similar even if their causes are different. A runny nose, fatigue, nasal congestion, or watery eyes may be linked either to viral infection, allergic reaction, or general seasonal fatigue of the body.

One key factor is the duration and nature of symptoms. For example, cold-like conditions usually last a few days and may be accompanied by fever, whereas allergic reactions often persist longer and depend on exposure to the allergen.

Seasonal fatigue, in turn, is more often manifested by general low energy without pronounced respiratory symptoms.

Sign Cold Allergy Seasonal fatigue
Temperature Often elevated Rare None
Runny nose Yes Yes (often watery) None
Itchy eyes Rare Common None
Duration 5–7 days As long as allergen is present Intermittent
General weakness Moderate Sometimes Often

often sick in spring: woman with thermometer

When to pay attention

Frequent or prolonged symptoms

If episodes occur frequently, last for weeks, do not resolve, or become more severe each time, this no longer resembles simple “body adaptation.” Especially if accompanied by persistent cough, marked weakness, loss of appetite, or other new symptoms.

Worsening overall condition

Warning signs include high fever, shortness of breath, pronounced lethargy, recurrent infections with short intervals, noticeable weight loss, or prolonged recovery. At this point, it is better not to explain everything as “seasonal adjustment.”

Sign How to assess it
Symptoms last a few days and resolve Often not concerning
Runny nose due to pollen Possible allergic cause
Frequent long episodes of illness Worth attention
Significant worsening of condition Medical consultation needed

Questions and answers

How many times a year is it normal to get sick?

On average, adults may experience 2–3 episodes of common colds per year. In children, this number is usually higher due to the characteristics of the immune system and more frequent social contacts.

Can frequent illness be related to a weakened immune system?

Frequent cold-like conditions may be associated with various factors, including lifestyle, stress levels, sleep, and seasonal changes. In cases of recurrent or prolonged symptoms, it is advisable to consult a doctor for overall assessment.

Is it normal to feel mild discomfort several times in spring?

Yes, this can happen because allergens, viral infections, and environmental changes overlap in spring.

Do children get sick more often than adults?

Yes, the CDC states that children experience more colds than adults.

When is it no longer considered normal?

When symptoms are frequent, prolonged, or accompanied by noticeable deterioration in condition.

Can allergies look like a “constant cold”?

Yes, especially in spring.

Conclusions

Before summer, overall well-being may fluctuate: occasional fatigue, runny nose, or mild cold-like symptoms may appear. In many cases, this is related to seasonal factors — changes in temperature, viral activity, or exposure to allergens — and does not necessarily indicate a health problem.

At the same time, it is important to pay attention to the frequency and duration of symptoms. If discomfort occurs often, lasts longer than usual, or noticeably affects daily well-being, it may be a sign that the body is reacting more sensitively to stressors or external factors.

In such cases, it is advisable to assess the overall condition and, if necessary, seek medical advice to clarify possible causes.

References

  1. CDC. About Common Cold.
  2. CDC. Allergens and Pollen.
  3. NHS. Allergic rhinitis.
  4. Mayo Clinic. Cold or allergy: Which is it?

About the Author

Author Photo

Nikolay Bondarenko is a Ukrainian dermatologist and expert in skin diseases.   A graduate of Ukraine's leading medical university, he specializes in diagnosing and treating dermatological issues.   As the author of numerous expert articles, he actively contributes to the development of dermatology and shares his knowledge with the medical community.





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