How and when to take chlorphenamine

Chlorphenamine comes as 4mg tablets or a liquid that contains 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 for adults and children aged 12 years old or over is 1 tablet every 4 to 6 hours. Do not take more than 6 tablets in 24 hours.

Doses are lower for children under 12 years old, and they may take it less often than adults. Follow the instructions in the box for how much to give, or follow the instructions from their doctor if they've been prescribed chlorphenamine.

Babies under 1 year old should only take chlorphenamine that's been prescribed by a doctor. Do not give children under 6 years old cough or cold medicines that contain chlorphenamine.

The usual dose for older adults who are frail is 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.

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 it

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.