Chlorphenamine (Piriton) – Other brand names: Allerief, Hayleve, Pollenase

If you or your child has been prescribed chlorphenamine, follow your doctor’s instructions about how and when to take it.

If you have bought chlorphenamine or any medicine containing chlorphenamine from a pharmacy, follow the instructions that come with the packet, or ask your pharmacist for advice.

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If you or your child’s symptoms do not get better within a few days, talk to a doctor.

Dosage and strength

Chlorphenamine comes as 4mg tablets and the liquid comes as 2mg in 5ml.

If you’re taking liquid chlorphenamine, follow the instructions that come with the medicine for how much to take.

The usual dose is:

• adults and children aged 12 years and older – 1 tablet every 4 to 6 hours. Do not take more than 6 tablets in 24 hours
• children aged under 12 years – doses are lower for children and babies, and they may take it less often than an adult. Your doctor will use your child’s age to work out the right dose. Children should only take chlorphenamine that has been prescribed by a doctor. Do not give children under 6 years cough or cold medicines that contain chlorphenamine
• older adults who are frail – 1 tablet every 6 to 8 hours. Do not take more than 3 tablets in 24 hours. Speak to your doctor or pharmacist before taking it as you’re more likely to get side effects

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When used for coughs and colds, chlorphenamine is mixed with other medicines in a liquid that you swallow. Follow the instructions on the bottle or packaging for how much to take.

How to take chlorphenamine

You can take chlorphenamine with or without food.

Swallow chlorphenamine tablets with a drink of water, milk or juice. The 4mg tablets can be broken in half for children and people taking lower doses.

Chlorphenamine liquid may be easier for children to take than tablets. The medicine will come with a plastic syringe or spoon to help you measure out the right dose.

If you do not have a syringe or spoon, ask your pharmacist for one. Do not use a kitchen teaspoon because it will not measure the right amount.

When to take it

Only take chlorphenamine when you need to.

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For allergies, you may only need to take chlorphenamine on the days you feel you need to. For example, coming into contact with something like animal hair may have triggered your symptoms.

For hay fever, you may need to take it regularly to prevent symptoms during spring and summer.

If you forget to take it

Take your forgotten dose as soon as you remember, unless it’s nearly time for your next dose.

Do not take 2 doses at the same time, or take an extra dose to make up for a forgotten one.

If you forget doses often, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to help you remember to take your medicine.

If you take too much

If you have taken more than the recommended dose of chlorphenamine, you may:

• feel very sleepy
• feel nervous or restless
• feel or be sick (nausea or vomiting)
• get blurred vision
• get a very fast, uneven or pounding heartbeat (palpitations)

In serious cases, you can have a fit or seizure, or become unconscious, and may need emergency treatment in hospital.

Nguồn: https://duhochanquocchd.edu.vn
Danh mục: Khám Phá