Propafenone

• ​Headache, dizziness
• Try to avoid sudden changes in posture – stand up slowly from sitting or lying positions, and sit or lie down if feeling giddy.
• Problems with your vision – sudden change (blurring) in eyesight, yellow vision
• Do not drive or operate tools or heavy machinery if your vision is affected. Your doctor may also recommend an eyesight test to monitor for such side-effects.
• Nausea, vomiting
• Dry mouth, changes in taste

It is very important that you are on regular follow-up with your doctor to monitor for any possible side-effects. Inform your healthcare professional if you have any of the following side-effects.
This medication may worsen existing abnormal heart rhythm, or cause new irregular heartbeats. Symptoms of abnormal heart rhythm include one or more of the following:

• Irregular heartbeat e.g. slowed heartbeat or palpitations
• Severe dizziness or fainting spells
• Difficulties in breathing or chest pain

The symptoms of a drug allergy include one or more of the following:

• Swollen face/eyes/lips/tongue
• Difficulty in breathing
• Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

​Inform your healthcare professional if:

• You are allergic to this medication or any of the other ingredients of this medication.
• You are pregnant, planning to become pregnant, or breastfeeding.
• You are taking any other medications, including supplements, traditional medications and herbal remedies.
• You have kidney or liver disease.
• You have a heart condition known as heart failure, or recently had a heart attack.
• You have a pacemaker or defibrillator.

​Avoid taking grapefruit when you are taking this medication as grapefruit may interact with your medication and increase the risk of side-effects.
Some medications may interact with Propafenone and affect their effectiveness or increase the risk of side-effects. However, these medications may also be important for your treatment. Inform your healthcare professional of the other medications you are currently taking. Examples include:

• Medications for bacterial infections (e.g. clarithromycin, erythromycin)
• Medications for fungal infections (e.g. itraconazole, ketoconazole)
• Medications for viral infections (e.g. Ritonavir)

Consult your healthcare professional if you are unsure whether your existing medications can be taken together with this medication.

• ​Do not stop taking your medication without checking with your healthcare professional.
• You may take this medication with or without food.
• The doctor may adjust the dose based on your condition. Do not take this medication more often than directed and do not stop until instructed by your doctor.

​If you forget to take a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose. Then take your next dose at the usual time. Do not take two doses to make up for the missed dose.

​For liquid medicine: Store in the refrigerator between 2-8℃. Do not freeze.

​For general waste: Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.