Promethazine – Oral

Why do I need this medicine?

Promethazine is used to relieve allergic conditions, such as runny nose, sneezing, watery and itchy eyes, rashes and hives.

 

This medicine may also be used to facilitate sleep and prevent vomiting, motion sickness, and apprehension or anxiety prior to or after surgery.

 

This medicine may be used to treat other conditions, as decided by your doctor.

 

How do I take this medicine?

Take Promethazine 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 Promethazine with or without food.

 

You may stop taking Promethazine once you feel better, unless your doctor has instructed you otherwise.

 

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?

Alert your doctor if you have lung diseases e.g. asthma as this medicine may not be suitable for you.

 

Do not give Promethazine to children below 2 years of age.

 

Do not take this medicine if you are currently taking or have taken a medicine to treat depression known as a monoamine oxidase inhibitor (MAOI) such as isocarboxacid, phenelzine and tranylcypromine in the last 14 days.

 

What should I take note of while taking this medicine?

Inform your doctor if you have the following conditions:

 

– lung problems e.g. asthma, or bronchitis , difficulty breathing during sleep

– epilepsy (seizures or fits)

– heart disease

– kidney disease

– liver disease

– glaucoma (increased pressure in the eyes)

– stomach or bowel disorder e.g. stomach ulcer, bowel obstruction

– enlarged prostate or difficulty in passing urine

 

Let your doctor know if you are pregnant or breastfeeding.

 

Promethazine may mask the symptoms of undetected conditions like Reye’s syndrome. If unsure, alert a doctor immediately.

 

What side effects could I experience?

Promethazine causes drowsiness, dizziness, and blurred vision. It may also cause you to suddenly fall asleep during your daily activities such as eating and watching television. You may not feel drowsy before you fall asleep. If affected, you feel dizzy or drowsy, 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, blurred vision, tiredness, headache, restlessness, nervousness, nightmares, confusion (especially in the elderly), nausea, vomiting, loss of appetite, stomach upset, constipation.

 

Promethazine at high doses may make you more sensitive to sunlight. If this occurs, avoid direct sunlight and sun lamps. When outdoors, you may also use sun protection such as hats, umbrellas, long-sleeved shirts, long pants and sunblock.

 

Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:

 

– itch, swelling or rashes

– chest tightness or difficulty breathing

– faintness

– yellowing of the skin or eyes

– unusual bleeding or bruising with frequent and persistent sore throat with fever

 

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 this medicine if you are currently taking or have taken a medicine to treat depression known as a monoamine oxidase inhibitor (MAOI) such as isocarboxacid, phenelzine and tranylcypromine in the last 14 days.

 

Inform your doctor and pharmacist if you are taking any of these medicines:

 

– medicines for anxiety and sleep disorder e.g. alprazolam, lorazepam

– other medicines for depression e.g. amitriptyline, fluoxetine

– medicines for moderate to severe pain e.g. codeine, morphine, tramadol

 

This list does not include all medicines that may interact with Promethazine.

 

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. Keep away from light.

 

The solution must be thrown away 1 month after opening the bottle.

 

Medicines must not be used past the expiry date.