Is AC bad for cough?

Author: Dr. Tiana Mills PhD  |  Last update: Monday, August 18, 2025

Freon can cause respiratory issues such as coughing, shortness of breath, and lung inflammation when inhaled. In addition to refrigerant leaks, air conditioners can also harbor mold and other allergens that can worsen respiratory issues and cause coughing.

Is it okay to use AC when you have a cough?

She explained: “Studies have shown that a cold, dry environment can worsen respiratory illnesses. If you're suffering from a chesty cough, you may notice an increase in phlegm after sleeping in an air-conditioned room.

Can cold air make a cough worse?

According to pulmonologist Dr. Michael Scharf, inhaling cold air may cause bronchial irritation and cough. If you have asthma or chronic obstructive pulmonary disease (COPD), the cold air “may induce bronchial tightening or constriction leading to cough, wheeze and shortness of breath.”

Can AC make cold worse?

Cold air can dehydrate your nostrils, throat, and other parts of your body that fight off infections, increasing your risk of an illness. However, cold weather alone cannot make you sick. If you have viruses or particulates in the air, your AC may circulate them, and you can breathe them in.

Is a cold room good for a cough?

Cold air is often dry air, and can irritate the airways if you have asthma, COPD or bronchitis. This can cause wheezing, coughing and shortness of breath.

Can Air Conditioning Make You Sick?

Is cold air good for lungs when sick?

Cold weather, and particularly cold air, can also play havoc with your lungs and health. Cold air is often dry air, and for many, especially those with chronic lung disease, that can spell trouble. Dry air can irritate the airways of people with lung diseases.

What is the fastest way to cure a cough?

Lifestyle and home remedies
  1. Drink fluids. Liquid helps thin the mucus in your throat. ...
  2. Suck on cough drops or hard candies. They may ease a dry cough and soothe an irritated throat.
  3. Consider taking honey. A teaspoon of honey may help loosen a cough. ...
  4. Moisturize the air. ...
  5. Avoid tobacco smoke.

Should I sleep in AC if I have a cold?

Cooler temperatures at night can cause our immune system to slow down. This can make you more susceptible to conditions like common cold or a dry cough. Or else, you might wake up with a sore throat. If the AC unit is not clean, it will circulate germs and other airborne contaminants like dust mites, pet dander, etc.

Can air conditioning affect your lungs?

People who live in air-conditioned surroundings report greater rates of respiratory symptoms, such as wheezing and shortness of breath, according to a study published in the Journal of Environmental Health Research. The results of the study were ascribed to greater exposure to pollutants and allergens indoors.

Should I turn off AC when I have a cold?

The point being, not only does an air conditioner not make you sick, but it can also help you recover more quickly. A comfortable temperature makes it easier to rest, sleep, and recuperate.

How to stop uncontrollable coughing at night?

How to Calm That Cough
  1. Use a humidifier to make the air moist, or breathe steam from a hot shower or teakettle before bed.
  2. Raise your head up a bit with an extra pillow.
  3. Try a saline or saltwater nose spray.
  4. Swallow a teaspoon of honey. ...
  5. Sip warm tea or soup.
  6. Suck on menthol or honey lozenges before bedtime.

Is running in the cold bad for your lungs?

He explained the problem with intense cold-weather exercise is that increasingly cold temperatures make it harder for the lungs to warm and humidify the air, which causes the lining of the airway to dry and, in some cases, become irreparably damaged.

Is cold air worse for a cough?

Cold air is also drier than warmer air and acts as an irritant. Each of these can initiate a cough reflex. It's the body's effort to ease the constricted air passages and to move moist air up and out from the lungs. Lying down when your body is producing excess mucus can also trigger a dry cough.

Why am I coughing so much with AC on?

A/Prof Morgan explains that colder air from air conditioning can trigger irritations to either the upper airways (nose/throat) or lower airways. “If these airways are already swollen or inflamed, that will often trigger a sense of chest tightness and cough,” she says.

Is fan or AC better for cold?

When it comes to air conditioning vs. fans, we say both! Air conditioning keeps the air cool in your home. And ceiling fans can create an additional cooling effect that makes you feel up to 4* cooler.

How to treat a cough from air conditioning?

Installing air purifiers and humidifiers can be an effective way to improve air quality and potentially alleviate coughing caused by air conditioning. Air purifiers work by removing allergens, pollutants, and other harmful particles from the air, which can reduce the risk of respiratory issues and coughing.

Is sleeping in AC bad for health?

​Exposure to AC will affect respiratory health​

Sleeping in a room with the AC on can lead to respiratory problems, particularly for individuals who are sensitive to cold air or have existing respiratory conditions such as asthma or allergies.

Is sleeping in a cold room bad for your lungs?

Cold air can cause your airways to narrow. This can increase the amount of mucus you produce and make it harder to breathe. Cold, dry air can also irritate your airways and make symptoms like wheezing, coughing and breathlessness worse.

Is AC good for cough?

Freon can cause respiratory issues such as coughing, shortness of breath, and lung inflammation when inhaled. In addition to refrigerant leaks, air conditioners can also harbor mold and other allergens that can worsen respiratory issues and cause coughing.

What position to sleep with a cough?

What's the best way to sleep when you have a cough? Wahab: If your cough is part of a seasonal respiratory virus, like the common cold, try elevating your head and chest with extra pillows or a wedge. Try laying on your side, not back. These tricks can work because you usually have nasal congestion when coughing.

Is a cough common with a cold?

The common cold most often causes a runny nose, nasal congestion, and sneezing. You may also have a sore throat, cough, headache, or other symptoms.

How do I stop uncontrollable coughing fits?

These include:
  1. drinking plenty of water.
  2. sipping hot water with honey.
  3. taking over-the-counter (OTC) cough medicines.
  4. taking a steamy shower.
  5. using a humidifier in the home.
  6. using cough drops or hard candies.

What helps for coughing at night?

12 Tips for Calming Nighttime Coughing
  • Stay hydrated. This can help loosen mucus and make it easier to get rid of, Roundtree says. ...
  • Drink herbal tea with honey and lemon. ...
  • Take honey. ...
  • Cough drops. ...
  • Have a steamy shower. ...
  • Think about what and when you eat. ...
  • Try OTC medications for GERD. ...
  • Take an antihistamine.

Why am I coughing so much but not sick?

The most common causes are tobacco use and asthma. Other common causes include fluid that drips from the nose down the back of the throat, called postnasal drip, and the backward flow of stomach acid into the tube that connects the throat to the stomach, called acid reflux.

Previous article
How often should I recaulk my shower?
Next article
Why does my AC kick on then shut off?