Sometimes you may feel like your chest is full of mucus and feels tight? There are times when you feel like you have difficulty breathing along with coughing. So, in such cases, your doctor may prescribe a special liquid to nebulize for you. Today we are talking about a medicine called Acetylcysteine, which is used in such cases. This is often used to help dissolve the mucus in the lungs and help them come out more easily.
What is this acetylcysteine?
Simply put, acetylcysteine is a medicine that helps loosen the thick, sticky mucus in your lungs, making it easier to cough up. Think of it like adding a little water to thick jelly.
This medication is commonly prescribed by doctors to help with breathing difficulties and mucus congestion associated with the following medical conditions:
- Bronchitis
- Cystic Fibrosis
- Emphysema
- Tuberculosis
- Other lung-related conditions
That means that rather than directly curing the disease, this medicine only provides you with relief by reducing the discomfort caused by the disease, namely the congestion of mucus.
Things you need to tell your doctor before taking this medicine
Before giving you this medicine, the doctor will ask you a few questions. Be sure to mention these things at that time.
- If you have asthma .
- If there is any other congestion or obstruction in the lungs.
- If you have a condition such as a stomach ulcer or gastritis.
- If you have an allergic reaction to acetylcysteine or any other medicine, food, or dye.
- If you are pregnant or trying to get pregnant.
- If you are a breastfeeding mother.
It is very important for your safety to provide this information to your doctor accurately.
How exactly do you use this medicine?
The main way to use this medicine is to deliver it into the lungs as a mist through a machine called a nebulizer. If you are using a nebulizer at home, you will be taught exactly how to do it.
- Dilution: Sometimes this medicine needs to be diluted. If this is necessary, your doctor or nurse will explain to you the type of liquid (sterile saline or water) and the amount to use. Remember to use the medicine within an hour of dilution.
- Take it at the right time: Take the right amount, at the right time, exactly as your doctor prescribed. Do not take it too often or too much.
- Other methods: In some emergencies, in a hospital or clinic, a doctor may give this medicine directly into the lungs through a tube placed in the windpipe (trachea tube).
When given to small children
Special care is needed when giving this medicine to young children. Therefore, consult your pediatrician and follow his/her instructions.
What if I take too much medicine? (Overdose)
If you think you have taken too much medicine, immediately call the National Poisons Information Centre at the Colombo National Hospital, or go to the Emergency Department (ETU) of the nearest hospital. Treat this as an emergency.
Things to keep in mind when using the medicine
The most important thing is to tell your doctor immediately if your symptoms do not improve or if they get worse.
- Drink plenty of water: Drink plenty of water as your doctor recommends. This will help thin the mucus and make it easier to come out.
- Rinse your mouth and face: This medicine may leave a sticky residue on your mouth and face after taking the medicine. Therefore, rinse your mouth and face thoroughly with water after each use.
- If you miss a dose: Take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take your next dose at the scheduled time. Never take two doses at the same time.
What are the possible side effects?
Like any medicine, this one can have side effects. But not everyone gets them. Let's see what they are.
| Side effect | Description |
|---|---|
| Things to report to your doctor immediately | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips or tongue. |
| Difficulty breathing | If you have difficulty breathing or feel suffocated. |
| Chest tightness or pain | If you feel a tightness or pain in your chest. |
| Coughing up blood | If there is blood with the mucus. |
| Fever | If you get a fever and feel hot. |
| Things to tell your doctor if they persist or are bothersome | |
| Change in taste in the mouth | Feeling a strange taste in the mouth after taking the medicine. |
| Drowsiness | Feeling unusually sleepy. |
| Mouth sores | Small sores inside the mouth. |
| Nausea, vomiting | Feeling sick or vomiting. |
| Soto fluid leakage | Runny nose. |
This list does not include all possible side effects. If you experience anything unusual, talk to your doctor about it.
How do you store the medicine?
- Keep away from children.
- Unopened bottles: Store at room temperature (between 15 and 30 degrees Celsius).
- Opened bottles: If you have used some of the bottle, store the remaining medicine (undiluted) in the refrigerator . Use opened bottles within 4 days (96 hours).
- Diluted medicine: Use within one hour .
- After expiration: Throw away any medicine left after the expiration date.
Take-Home Message
- Acetylcysteine is a medicine that thins thick mucus in the lungs and makes breathing easier.
- Before using this medicine, tell your doctor about any medical conditions you have, such as asthma, allergies, or stomach ulcers.
- If you want to use the medicine with a nebulizer, learn the correct way to use it. Use the diluted medicine within an hour.
- If you experience any serious side effects, such as difficulty breathing, chest pain, or coughing up blood, seek medical advice immediately.
- Drink plenty of water while using the medicine. It helps to remove mucus.


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