Medication Information Leaflet

What is this medication for?

Nadolol belongs to a group of medications known as beta-blockers.

These medications are used in the treatment of different heart conditions such as high blood pressure, irregular heartbeats, and chest pain/discomfort (also known as angina)

How should I take or use this medication?

• Do not stop taking your medication without checking with your healthcare professional.
• You may take this medication with or without food. 
• If you have been taking this medication regularly for several weeks or more, do not stop this medication suddenly without consulting your healthcare professional. Stopping your medication suddenly may worsen your condition.

What should I do if I forget to take or use this medication?

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

What precautions should I take when taking or using this medication?

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 kidney problems
• You have asthma or other breathing problems – this medication may worsen or cause an asthma attack
• You have pre-diabetes or diabetes - this medication may hide symptoms of low blood sugar such as fast heartbeat or tremors. You may need to monitor your blood sugar more closely

What are some common side effects of this medication?

Some side effects may include:

• Dizziness and lightheadedness
  • This may occur especially when you get up quickly from lying or sitting down. Getting up or changing posture slowly may help. Take a rest by sitting or lying down if you feel dizzy.
• Coldness, numbness, or tingling sensation of your fingers or toes
• Feeling weak and tired
• Shortness of breath

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

What are some rare but serious side-effects that I need to seek medical advice immediately?

This medication may worsen an 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 (having a fast heartbeat or ‘racing heart’)
• 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

What food or medication should I avoid when I take or use this medication?

This medication may interact with other medications. If you intend to take any over the counter medication, supplements, herbal remedy or traditional Chinese medicine, consult your doctor or healthcare professional first to confirm that it is safe to take with Nadolol.

How should I store this medication?

Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.

How do I throw away this medication safely?

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

Disclaimer

Please take note that the above is not a complete list of all possible side effects. If you have any concerns about your medication or if you have other side effects that you think are caused by this medication, please consult your doctor or pharmacist.

If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.

This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.

Last updated on May 2023