Pseudoephedrine is used to treat nose stuffiness. It relieves the symptoms of a blocked nose and blocked sinuses to help you breathe more easily.
Take Pseudoephedrine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
You may take it with or without food. Try to take it at the same time each day.
Pseudoephedrine is available as a tablet or as an oral liquid.
If you are taking the extended-release type of tablet (usually labelled “ER”), swallow it whole. Do not divide, chew or crush the tablet.
If you are taking an oral liquid, shake the bottle well before you take it to ensure that the liquid is evenly mixed. Use the measuring spoon or cup provided to measure your dose.
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.
Alert your doctor if you have the following conditions:
- severe high blood pressure
- narrowing of the blood vessels of the heart
as Pseudoephedrine may not be suitable for you.
Do not give this medicine to children below 12 years old unless instructed to do so by the doctor.
Do not take Pseudoephedrine if you are currently taking or have taken a medicine that is used to treat depression known as a monoamine oxidase inhibitor (MAOI) such as isocarboxazid, phenelzine and tranylcypromine in the last 14 days.
Inform your doctor if you have the following conditions:
- high blood pressure
- heart disease
- glaucoma (increased pressure in the eye)
- prostate enlargement
- inability to completely empty the bladder when urinating
- thyroid disease
- kidney disease
- liver disease
Let your doctor know if you are pregnant or breastfeeding.
Be sure to check with your doctor or pharmacist before giving this medicine to a child and the elderly. Children and elderly people may be more sensitive to the side effects.
Inform your doctor if symptoms do not improve within 7 days or are accompanied by fever.
Pseudoephedrine may cause dizziness. If affected do not drive or take part in any activity in which you need to be alert.
Other side effects of include any of the following: headache, vomiting, nausea, dry mouth, restlessness, nervousness, anxiety, tremors, sleeping problems, difficulty urinating, and rash.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Do not take Pseudoephedrine if you are currently taking or have taken medicine to treat depression known as a monoamine oxidase inhibitor (MAOI) such as isocarboxazid, phenelzine and tranylcypromine in the last 14 days.
Inform your doctor and pharmacist if you are taking any of these medicines:
- other decongestants e.g. phenylephrine
- medicines for high blood pressure e.g. guanethidine, debrisoquine, prazosin, propranolol
- medicines for irregular heartbeat e.g. bretylium
- medicine to treat depression e.g. imipramine, amitriptyline
- medicines used to treat Parkinson’s disease e.g. rasagiline, selegiline
This list does not include all medicines that may interact with Pseudoephedrine.
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.
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.