• Passing urine more often
• Dizziness and lightheadedness
• This may occur especially when you get up quickly from lying or sitting down. Getting up slowly or changing posture slowly may help. Take a rest by sitting or lying down if you feel dizzy.
• Increased potassium levels in your blood
• Your doctor may monitor your potassium levels and kidney function regularly when you are on this medication. 

Inform your healthcare professional if these side effects do not go away and become bothersome to you.

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 have any kidney problems

Some medications may interact with eplerenone 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)