Skip to Content

Can AC cause cough in babies?

Air conditioning systems can sometimes cause coughing in babies. The cold, dry air from air conditioning can irritate a baby’s sensitive throat and airways. However, there are steps parents can take to protect their child’s health when using air conditioning.

Why can air conditioning cause coughing?

There are a few reasons why air conditioning may trigger coughing in infants:

  • Dryness – Air conditioning removes moisture from the air, making it very dry. Babies have sensitive airways that can easily become irritated by dry air.
  • Temperature – Very cold air coming directly out of the AC vent can shock a baby’s throat and airways, resulting in coughing.
  • Allergens – Air conditioning systems can harbor mold, dust, and other allergens that get circulated through the air. This may cause coughing in babies prone to allergies.
  • Illness – The cold temperatures from air conditioning may make it easier for viruses to spread. Babies are more susceptible to respiratory infections that lead to coughing.

The dryness of cooled air seems to be the most common factor leading to coughing. Babies have very delicate respiratory systems that are extra sensitive to irritation from dryness.

At what age are babies most affected?

Babies tend to be most susceptible to air conditioner-related coughing between 2-8 months of age. There are a few reasons for this:

  • Narrow airways – A baby’s airways are much smaller and more narrow than an adult’s, making them prone to swelling and irritation.
  • Developing immune system – Babies have an immature immune system that is less able to fight off respiratory infections.
  • Reduced lung function – Lung function is still developing in young infants, so they can struggle with excess mucus production.
  • Lower defenses – Important defenses like nasal hairs and protective nasal secretions are not fully developed yet.

The combination of delicate respiratory structures and immature immune function makes babies most at risk for coughing during the first year of life.

Does cool mist help?

Using a cool mist humidifier in the baby’s room may help reduce air conditioner-related coughing. The added moisture can help counteract the dryness of cooled indoor air. Research suggests that operating a cool mist humidifier to keep room humidity between 40-50% is optimal for baby’s respiratory health.

Some tips for using a cool mist humidifier to minimize baby’s coughing:

  • Use distilled water to prevent mineral buildup
  • Change water daily to limit mold growth
  • Clean humidifier regularly according to manufacturer instructions
  • Keep out of baby’s reach to avoid burns
  • Monitor humidity level to keep between 40-50%

The moist air from a cool mist humidifier can help keep baby’s sensitive airways properly hydrated and less prone to dryness and irritation.

What temperature is safe for babies?

The ideal temperature range for babies when using air conditioning is between 68-72°F. Some tips for keeping baby comfortable yet not too cold:

  • Use a thermometer to monitor nursery temperature and adjust AC accordingly
  • Place crib or bassinet away from direct air flow from the AC vent
  • Keep baby covered with only light blankets while sleeping to prevent overheating
  • Dress baby in breathable cotton clothing
  • Keep a sweater or swaddle blanket handy in case baby gets chilled

Extreme cold from very high powered air conditioning can constrict airways and trigger coughing. Keeping the temperature moderate but not too cold will help prevent coughing.

Does air conditioning spread germs that cause coughing?

Air conditioners do not directly spread contagious pathogens like viruses and bacteria. However, the cold dry environments created by air conditioning units allow viruses to remain suspended in the air longer. The lack of humidity dries out protective mucous membranes, making people more prone to respiratory infections that cause coughing. This effect may be enhanced in babies with weaker immune defenses.

Some ways air conditioners may indirectly contribute to cough-causing illnesses:

  • Poor ventilation – Stagnant recycled indoor air enables pathogens to accumulate
  • Filtered sunlight – Less natural germ-killing UV light indoors
  • Dry airways – Dry, irritated airways are more prone to inflammation and infection
  • Chilling effect – Colder air hinders the body’s natural defenses against infection

While air conditioners themselves do not spread disease, their effect on indoor environmental conditions may facilitate the transmission of viruses and worsen coughs.

What are the risks of dehydration from air conditioning?

Dehydration from air conditioning is a potential risk, especially in babies with underdeveloped thirst mechanisms. Signs of dehydration to watch for include:

Mild Dehydration Moderate Dehydration Severe Dehydration
– Dry lips/mouth
– Less wet diapers
– Fatigue
– Sunken eyes
– Skin loses elasticity
– Rapid breathing
– Lethargy
– Cool extremities
– Irritability

To prevent dehydration in air conditioned environments:

  • Offer more frequent breast or bottle feeding
  • Supplement with electrolyte-balanced pediatric hydration drinks
  • Dress baby in lightweight, breathable fabrics
  • Monitor baby’s temperature for fever which increases fluids loss
  • Use cool mist humidifiers to add moisture back into air

Ensuring adequate hydration is important, as dehydration can make coughing worse by drying out and irritating the airways.

When should a doctor be consulted?

Consult a pediatrician if a baby has:

  • A cough lasting more than 2 weeks
  • Wheezing, breathing difficulties, or rapid breathing
  • Cough that disrupts sleep
  • Green, yellow, or bloody mucus
  • Fever over 100.4°F
  • Extreme irritability or lethargy

While brief air conditioner-induced coughing may be normal, an ongoing cough or any sign of respiratory distress warrants medical evaluation. The doctor can assess for infection, allergies, or other problems. Severe coughing may require prescription cough medications or breathing treatments.

Takeaway

Coughing from air conditioning typically results from cold, dry air. Adjusting the temperature, adding a humidifier, and taking other steps to minimize irritation and hydrate the airways can help. Have baby examined if coughing is severe, ongoing, or accompanied by other symptoms. With some tweaks, parents can safely enjoy the benefits of air conditioning and keep baby’s coughing in check.

What are some alternatives to air conditioning to prevent coughing?

Some alternative cooling methods to consider that may irritate baby’s airways less than air conditioning:

Fans

Circulating air fans add a cooling breeze without drying the air. Box fans, ceiling fans, and portable fans can keep nurseries more comfortable without the cough-inducing dryness of AC. Just avoid chilling baby by directing fans away from the crib.

Evaporative Coolers

Evaporative or swamp coolers add moisture back into the air while cooling. The increased humidity can help reduce coughing. They work best in dry climates.

Window Tinting

Darkened window tinting blocks solar radiation to keep nurseries cooler. This avoids having to cool the room as extremely with air conditioning.

Room Air Purifiers

HEPA air purifiers remove allergens like dust and pollen that can irritate airways. They improve air quality without dehydrating the air like AC units.

Nighttime Ventilation

Circulating cooler nighttime air through open windows can moderate temperatures enough to avoid running the AC constantly. Ceiling fans facilitate airflow.

Trying some natural ventilation approaches may enable turning down the AC while still keeping baby comfortable and cough-free.

What precautions reduce the risk of air conditioners causing coughs?

Some proactive precautions parents can take to minimize AC-induced coughing in infants include:

  • Set AC temperature to a moderate 68-72°F
  • Use a hygrometer to keep humidity 40-50%
  • Change HVAC filters regularly each season
  • Run a HEPA air purifier to remove allergens
  • Place crib away from direct air flow of AC vents
  • Keep baby hydrated with frequent feedings
  • Dress baby lightly in breathable cotton
  • Use a cool mist humidifier or vaporizer

Proper preventive steps can allow parents to utilize air conditioning while optimizing conditions for their baby’s respiratory comfort and health.

Conclusion

Air conditioning can sometimes irritate babies’ sensitive airways and lead to coughing. However, parents can take numerous precautions to minimize the risks. Monitoring nursery temperature and humidity, properly hydrating baby, and using air filters and humidifiers can help. Alternatives like fans may also be an option. While air conditioners may exacerbate coughs in some babies, parents can take steps to safely cool their homes while keeping their infant’s respiratory system calm and comfortable.