
Entresto (sacubitril/valsartan) is a medication used to treat heart failure. Like most drugs, it can cause mild to severe side effects. The most common side effect is low blood pressure, which can lead to dizziness, fainting, and vision changes. Other possible side effects include a dry cough and increased potassium levels, which can cause muscle weakness. In rare cases, Entresto may also cause kidney problems, severe allergic reactions, and angioedema (swelling of deep tissues). It is important to consult a healthcare provider to understand the potential side effects and risks associated with taking Entresto.
| Characteristics | Values |
|---|---|
| Muscle pain | Not mentioned |
| Muscle weakness | Yes |
| Other common side effects | Low blood pressure, dizziness, cough |
| Rare side effects | Kidney damage, kidney failure, angioedema |
| Serious side effects | High potassium level (hyperkalemia), severe allergic reactions |
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What You'll Learn

Entresto may cause high potassium levels (hyperkalemia)
Entresto is a medication used to treat heart failure. It contains a combination of sacubitril and valsartan, which work together to lower blood pressure and improve heart function. While Entresto can be an effective treatment for many people, it is important to be aware of its potential side effects, one of which is high potassium levels or hyperkalemia.
Hyperkalemia is a serious condition that can occur as a result of Entresto's impact on the kidneys. Approximately 12% of people taking Entresto will experience problems with high potassium levels. The kidneys play a crucial role in regulating the body's levels of electrolytes, including potassium and sodium. When Entresto affects kidney function, it can lead to a build-up of potassium in the blood, resulting in hyperkalemia.
The risk of developing hyperkalemia may be higher for individuals with certain health conditions, such as diabetes, kidney damage, or low aldosterone (hypoaldosteronism). It is important for patients to disclose their full medical history and medication list to their prescriber before starting Entresto. Additionally, some medications, such as potassium supplements or salt substitutes, may interact with Entresto and further increase the risk of hyperkalemia.
The symptoms of high potassium levels can include nausea, muscle weakness, and fatigue. In some cases, hyperkalemia may not cause any noticeable symptoms until potassium levels become extremely high. At this point, it can lead to arrhythmia (irregular heartbeat) and become life-threatening. Therefore, it is crucial to monitor potassium levels through regular blood tests, especially for those at higher risk.
If a patient taking Entresto experiences symptoms of hyperkalemia, they should seek medical attention promptly. Their healthcare provider may recommend adjusting the dosage of Entresto or switching to an alternative medication. In some cases, supportive medical care may be required to correct extremely high potassium levels, but this is usually resolved within a few hours.
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Low blood pressure is a common side effect
Entresto is a medication used to treat heart failure. It contains a combination of sacubitril and valsartan, which work together to lower blood pressure by dilating blood vessels. While this medication can be effective, it is important to be aware of its potential side effects.
One of the most common side effects of Entresto is low blood pressure, also known as hypotension. This occurs because the active ingredients in Entresto, sacubitril and valsartan, directly impact the body's renin-angiotensin system, which regulates blood pressure. In one clinical trial, 18% of patients taking Entresto experienced clinically diagnosable low blood pressure. This side effect can be particularly common in people who are already taking medication for high blood pressure or those with low fluid or salt levels.
Symptoms of low blood pressure can include dizziness, vision changes, fainting, and problems with concentration. These symptoms can increase the risk of falls, so it is important to be cautious if you experience any of these side effects. Additionally, severe hypotension can be life-threatening and requires immediate medical attention.
If you experience low blood pressure while taking Entresto, it is important to consult with your healthcare provider. They may recommend adjusting your dosage or provide guidance on managing the side effect. Staying hydrated and maintaining normal body fluid levels can also help mitigate the impact of low blood pressure.
It is worth noting that the side effects of Entresto can vary from person to person, and not everyone will experience every possible side effect. Some individuals may also experience high potassium levels (hyperkalemia), which can be a serious and potentially life-threatening condition. Therefore, it is always important to consult with your healthcare provider to ensure you are informed about all the potential risks and benefits of taking Entresto.
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Entresto may cause kidney damage
Entresto is a medication used to treat heart failure. It contains a combination of sacubitril and valsartan, which work together to lower blood pressure and improve heart function. While Entresto can be an effective treatment for many people, it is important to be aware of its potential side effects, including the risk of kidney damage.
Kidney damage is a rare but possible side effect of taking Entresto. This medication can negatively impact kidney function, and in some cases, it may even lead to sudden kidney failure. The risk of kidney-related side effects is higher for individuals who already have kidney problems or are taking certain other medications, such as non-steroidal anti-inflammatory drugs (NSAIDs). Therefore, it is crucial to inform your doctor about your complete medical history and any other medications you are currently taking before starting Entresto.
The kidneys play a vital role in regulating the body's levels of electrolytes, including sodium and potassium. Entresto's impact on kidney function can lead to an increased risk of high blood potassium, or hyperkalemia, which is a potentially serious condition. Hyperkalemia can cause symptoms such as chest pain, irregular heartbeat, muscle weakness, nausea, vomiting, and diarrhea. In severe cases, very high potassium levels can be life-threatening and require immediate medical attention.
If you are taking Entresto, it is important to be vigilant about monitoring your kidney function and potassium levels. Your doctor may recommend regular blood tests to check for any signs of kidney damage or abnormal potassium levels. In some cases, they may also suggest a creatinine blood test specifically to evaluate your kidney function. If any issues are detected, your doctor may adjust your Entresto dosage or recommend alternative medications to minimize the risk of kidney-related complications.
While Entresto may cause kidney damage in rare cases, it is important to remember that ARBs like valsartan, one of the active ingredients in Entresto, can also help protect the kidneys in many instances. However, due to the potential risks, individuals taking Entresto should be proactive in monitoring their kidney health and staying hydrated to maintain normal body fluid levels.
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Angioedema is a rare but serious side effect
In clinical trials, around 0.5% of patients experienced angioedema, with a significantly higher incidence in African-American patients (2.4%). People who have previously experienced angioedema are also at an increased risk of developing it as a side effect of Entresto. Therefore, it is not recommended for individuals with a history of angioedema, even if it was caused by a different medication.
If you experience any swelling of the face, lips, tongue, or throat, or have difficulty breathing while taking Entresto, it is crucial to stop taking the medication immediately and seek emergency medical assistance. Although most cases of angioedema resolve on their own, breathing difficulties require immediate medical intervention.
It is important to note that Entresto may also cause other allergic reactions, such as mild itching, which tends to occur with mild reactions, and shortness of breath, which is more common in severe reactions. If you experience any signs of an allergic reaction, it is advisable to consult your healthcare provider for further evaluation and guidance.
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Other side effects include dizziness, nausea, fatigue, and more
Entresto (sacubitril/valsartan) is a medication that treats heart failure. The most common side effects of Entresto include low blood pressure, dizziness, cough, and nausea. However, other side effects may include:
Dizziness and Lightheadedness: These symptoms can lead to falls, so it is important to be cautious and consult a doctor if you experience them.
Fatigue: This can vary from mild to severe and may impact daily activities.
Nausea: Nausea is a common side effect and may be accompanied by vomiting or diarrhea.
Kidney Problems: Kidney damage and sudden kidney failure are rare but possible side effects of Entresto. People with existing kidney problems may be at higher risk.
High Potassium Levels (Hyperkalemia): Approximately 12% of people taking Entresto will experience high potassium levels, which can cause muscle weakness, chest pain, irregular heartbeat, and potentially lead to a heart attack.
Allergic Reactions: Entresto may cause mild to severe allergic reactions, including angioedema (swelling of deep tissues), which can be life-threatening. It is recommended to stop taking Entresto and seek immediate medical attention if you experience any signs of an allergic reaction.
It is important to note that side effects can vary depending on the individual, and some may be temporary or easily managed. Always consult a healthcare provider to ensure the information applies to your personal circumstances and to discuss any concerns or ongoing symptoms.
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Frequently asked questions
Entresto is not known to cause muscle pain directly. However, it can cause muscle weakness, which may be experienced as muscle pain. This is due to high potassium levels or hyperkalemia, which is a common side effect of the medication.
The most common side effect of Entresto is low blood pressure, which can cause dizziness, vision changes, fainting, and problems concentrating. Other side effects include an increased cough, kidney problems, and allergic reactions.
If you experience any side effects from Entresto, consult your healthcare provider immediately. They will be able to advise you on any necessary adjustments to your medication or treatment. It is important to monitor your symptoms and seek medical attention if needed.







