Dexchlorpheniramine - oral

Patient Medicine Information
Why do I need this medicine?
Dexchlorpheniramine helps relieve symptoms of cold and allergy, such as runny nose, itch, watery eyes and sneezing. It also helps relieve symptoms of allergic skin conditions such as dermatitis, eczema and insect bites.
How do I take this medicine?
Take Dexchlorpheniramine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by the doctor.

You may take this medicine with or without food. Try to take it at the same time each day.

Dexchlorpheniramine is available as a tablet or as syrup.

If you are taking the tablet, swallow the tablet whole with a glass of water.

If you are taking the syrup, use the measuring spoon or cup provided to measure your dose.

You may stop taking Dexchlorpheniramine when you no longer have cold or allergies.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.
When should I not use this medicine?
Do not give Dexchlorpheniramine to premature and newborn babies or children below 2 years old unless instructed to do so by the doctor.

Do not breastfeed while you are being treated with this medicine.

This medicine should not be used to treat symptoms of lung diseases including asthma.

Do not take Dexchlorpheniramine if you are currently taking or have taken medicines used to treat depression known as monoamine oxidase inhibitors (MAOIs) in the last 14 days.
What should I take note of while taking this medicine?
Inform your doctor if you have the following conditions:
  • heart disease e.g. high blood pressure, chest pain
  • increased pressure in the eye
  • obstruction of the stomach outlet
  • stomach ulcer
  • bladder or prostate problems
  • thyroid disorder
Let your doctor know if you are pregnant.

Be sure to check with your doctor or pharmacist before giving Dexchlorpheniramine to an elderly. Elderly people may be more sensitive to the side effects.
What side effects could I experience?
Dexchlorpheniramine may cause drowsiness and dizziness. If affected, do not drive or take part in any activity in which you need to be alert.

Other side effects may include any of the following: dry mouth, nausea, vomiting, diarrhoea, hypotension, and dry eyes.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Do not take Dexchlorpheniramine if you are currently taking or have taken medicines used to treat depression known as monoamine oxidase inhibitors (MAOIs) such as isocarboxazid, phenelzine and tranylcypromine in the last 14 days.

Inform your doctor and pharmacist if your taking medicines for anxiety, panic disorder and difficulty sleeping (e.g. clonazepam, diazepam, alprazolam, zolpidem).

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on dexchlorpheniramine - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 MIMS. All rights reserved. Powered by
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