'Piriton' is a common medicine that comes to mind when most of us have an allergy, a cold, or a small itchy rash. Although it is a small yellow pill, do we really know how it affects our bodies and what we should be careful about when using it? Some people buy it from the pharmacy without even asking a doctor. But how dangerous can it be? Today, let's talk about Chlorpheniramine, that is, this 'Piriton' that we all know.
What is Chlorpheniramine?
Simply put, Chlorpheniramine is an antihistamine . Okay, so what is an antihistamine? When our body has an allergy, it produces a chemical called histamine. This histamine is what is responsible for the symptoms we experience when we have an allergy. That is, things like a runny nose, sneezing, watery eyes, itching, and red spots or blisters on the skin.
So what this Chlorpheniramine medicine does is block the action of that chemical called histamine inside our body. Then those annoying allergic symptoms gradually decrease.
That means using this:
- For conditions such as runny nose and sneezing caused by allergies.
- For nasal discomfort caused by the common cold.
- Control the symptoms of an allergic reaction.
But keep one thing in mind. This only controls the symptoms of the allergy. It does not cure an infection in any way. For example, if you have a sore throat due to a bacterial infection, taking this medicine will not cure it.
Things you need to tell your doctor before taking this medicine
This is the most important part. Some people think that Piritan is a very common medicine that anyone can take. But that is not true. If you have certain medical conditions, using this medicine can be dangerous. Therefore, before taking this medicine, if you have any of the following medical conditions, be sure to tell your doctor about it.
| Your medical condition | Why is notification important? |
|---|---|
| Glaucoma | This medicine may cause further increase in eye pressure. |
| Heart disease or high blood pressure | It can affect heart rate and blood pressure. |
| Lung diseases (e.g. asthma) | The mucus in the lungs may thicken and breathing may become more difficult. |
| Difficulty urinating or prostate problems | It can make it more difficult to urinate. |
| Stomach ulcers or other gastrointestinal problems | May increase stomach discomfort. |
| Allergies to chlorpheniramine or other medications or foods | This is essential to prevent a serious allergic reaction. |
| If you are pregnant, trying to get pregnant, or breastfeeding | In such cases, never take this medicine without medical advice. |
How exactly do I use this medicine?
Use the medicine exactly as your doctor has prescribed. This is usually with a glass of water. Take the prescribed dose at the prescribed time. Never take more than your doctor has told you to.
- If giving to children: Always consult a pediatrician when giving this medicine to children. In some cases, even if it is prescribed to children, great care should be taken.
- People over 60 years of age: Older people may be more sensitive to the effects of this drug, so they are usually prescribed a lower dose.
If you accidentally take too much medicine, go to the nearest hospital Emergency Department (ETU) immediately. Or call the National Poisons Information Centre at the Colombo National Hospital . This medicine is for your own use only. Never share your medicine with others.
What if I miss a dose of medicine?
If you forget to take 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. Do not take two doses at once for any reason.
Things to be careful about while taking the medicine
When taking this medicine, you have to think a little more about some things in your daily life.
- Drowsiness and dizziness: This is the main and most common side effect of Chlorpheniramine. You may feel very sleepy and dizzy after taking the medicine. Therefore, avoid driving, operating machinery, or doing anything that requires concentration while taking this medicine.
- Alcohol: Avoid alcohol completely while taking chlorpheniramine. Combining this medication with alcohol can make drowsiness and dizziness worse.
- Dry mouth and eyes: Dry mouth is common. This can be controlled by chewing sugar-free gum and drinking plenty of water. Your eyes may also feel dry. Contact lens wearers may experience discomfort. Lubricating drops may be used. If this discomfort persists, tell your doctor.
- Sun sensitivity: This medication may make some people's skin sensitive to the sun. Therefore, protect yourself from the sun as much as possible. If you are going to be in the sun, wear clothing that covers your face and use sunscreen.
Possible side effects
Like any medicine, Chlorpheniramine can cause side effects. Some are not serious, but if you experience any symptoms, you should seek immediate medical attention.
| Side effect | Description |
|---|---|
| Serious side effects that should be reported to your doctor immediately | |
| Serious allergic reactions | Skin rash, severe itching, swelling of the face, lips or tongue. |
| Difficulty breathing | Shortness of breath or rapid breathing. |
| Vision changes | Blurred vision, seeing things in two. |
| Mental changes | Confusion, restlessness, agitation. |
| Changes in heart rate | Rapid heartbeat, irregular heartbeat. |
| Other serious symptoms | Severe dizziness, fainting, seizures, tremors, difficulty urinating. |
| Common side effects that should be reported to the doctor if they persist or are bothersome: | |
| Drowsiness | This is most common. |
| Digestive system problems | Constipation, diarrhea, stomach upset, vomiting, loss of appetite. |
| Other minor features | Dry mouth, nose, throat, headache, insomnia. |
Take-Home Message
- Chlorpheniramine (also known as Pyrithione) is a medicine that controls the symptoms of allergies, not an infection.
- If you have other medical conditions (especially glaucoma, heart disease, asthma, prostate problems), do not take this medicine without telling your doctor.
- This medicine can make you very drowsy. Therefore, never drive or do anything that requires attention while taking this medicine.
- Avoid drinking alcohol completely while taking chlorpheniramine.
- If you experience any serious side effects such as difficulty breathing, rapid heartbeat, or facial swelling, seek medical advice immediately.
- Always take only the dose prescribed by your doctor, and do not share your medicine with others.
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