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.