What is Eltrombopag: Uses, Dosage, Side Effects and More

Eltrombopag is a prescription medication that helps your body make more platelets when you don't have enough of them. Think of platelets as tiny helpers in your blood that stop bleeding by forming clots when you get a cut or injury.

This medication works like a gentle nudge to your bone marrow, encouraging it to produce more of these essential blood cells. It's particularly helpful for people with certain blood conditions where their platelet count has dropped too low.

What is Eltrombopag Used For?

Eltrombopag treats conditions where your body doesn't make enough platelets or destroys them too quickly. The main reason doctors prescribe this medication is for chronic immune thrombocytopenic purpura (ITP), a condition where your immune system mistakenly attacks your own platelets.

Your doctor might also recommend eltrombopag if you have severe aplastic anemia, a rare condition where your bone marrow doesn't produce enough blood cells. In some cases, it's used to help raise platelet counts before surgery or medical procedures when bleeding could be dangerous.

The medication is also prescribed for chronic hepatitis C patients who have low platelet counts that prevent them from receiving proper antiviral treatment. Each of these conditions requires careful monitoring and individualized treatment plans.

How Does Eltrombopag Work?

Eltrombopag works by mimicking a natural protein in your body called thrombopoietin. This protein sends signals to your bone marrow to make more platelets, much like a factory manager telling workers to increase production.

The medication binds to specific receptors on cells in your bone marrow called megakaryocytes. These are the cells that eventually become platelets. By activating these receptors, eltrombopag encourages your body to naturally increase platelet production.

This is considered a moderately strong medication that requires regular blood monitoring. Unlike some treatments that work immediately, eltrombopag typically takes 1-2 weeks to show meaningful increases in your platelet count.

How Should I Take Eltrombopag?

Take eltrombopag exactly as your doctor prescribes, usually once daily on an empty stomach. The timing of when you eat around taking this medication is crucial for it to work properly.

You should take eltrombopag either 1 hour before eating or 2 hours after eating. This empty stomach requirement helps your body absorb the medication effectively. If you take it with food, especially foods high in calcium, iron, or magnesium, your body won't absorb enough of the medication.

Swallow the tablet whole with water, and try to take it at the same time each day to maintain steady levels in your system. If you have trouble swallowing tablets, talk to your pharmacist about proper ways to take your medication safely.

Avoid taking eltrombopag with dairy products, antacids, or mineral supplements within 4 hours of your dose. These can significantly reduce how well the medication works.

How Long Should I Take Eltrombopag For?

The duration of eltrombopag treatment varies greatly depending on your specific condition and how well you respond to the medication. Most people with ITP need to take it for several months to years, while others may need it indefinitely.

Your doctor will regularly monitor your platelet counts through blood tests, typically every week when you first start, then less frequently as your levels stabilize. The goal is to find the lowest effective dose that keeps your platelet count in a safe range.

Some people may eventually be able to stop taking eltrombopag if their condition improves or goes into remission. However, never stop taking this medication suddenly without talking to your doctor first, as your platelet count could drop dangerously low.

For chronic conditions like severe aplastic anemia, you may need lifelong treatment. Your healthcare team will work with you to determine the best long-term plan for your specific situation.

What Are the Side Effects of Eltrombopag?

Like all medications, eltrombopag can cause side effects, though not everyone experiences them. Most side effects are mild to moderate and often improve as your body adjusts to the medication.

The most common side effects you might experience include nausea, diarrhea, upper respiratory tract infections, and fatigue. These typically occur in the first few weeks of treatment and often become less bothersome over time.

Here are the more frequently reported side effects that patients experience:

• Nausea and stomach upset
• Diarrhea or changes in bowel movements
• Headache and dizziness
• Fatigue or feeling unusually tired
• Muscle aches and back pain
• Cough or cold-like symptoms

These common side effects usually don't require stopping the medication, but do discuss them with your doctor if they persist or worsen.

More serious side effects are less common but require immediate medical attention. These include severe liver problems, blood clots, and cataracts with long-term use.

Watch for these warning signs that need prompt medical care:

• Yellowing of skin or eyes (jaundice)
• Dark urine or pale stools
• Severe abdominal pain
• Sudden severe headache or vision changes
• Chest pain or difficulty breathing
• Swelling in legs or arms

These serious side effects are rare, but recognizing them early can prevent complications. Your doctor will monitor you regularly to catch any problems before they become serious.

Who Should Not Take Eltrombopag?

Eltrombopag isn't suitable for everyone, and certain medical conditions or circumstances make it unsafe to use. Your doctor will carefully review your medical history before prescribing this medication.

You should not take eltrombopag if you're allergic to it or any of its ingredients. People with certain types of blood cancers or those at high risk for blood clots may not be good candidates for this medication.

Several health conditions require special consideration before starting eltrombopag:

• Liver disease or elevated liver enzymes
• History of blood clots or clotting disorders
• Cataracts or eye problems
• Kidney disease
• Pregnancy or breastfeeding
• Certain blood cancers or bone marrow disorders

Your doctor will weigh the benefits against the risks for your specific situation. Even if you have one of these conditions, you might still be able to take eltrombopag with extra monitoring and precautions.

Age can also be a factor, as older adults may be more sensitive to side effects and require dose adjustments. Children and teenagers require special dosing considerations based on their weight and condition.

Eltrombopag Brand Names

The most common brand name for eltrombopag is Promacta in the United States and Revolade in Europe and other countries. Both contain the same active ingredient but may have slightly different inactive ingredients.

Generic versions of eltrombopag are becoming available in some countries, which can help reduce costs while providing the same therapeutic benefits. Always check with your pharmacist to ensure you're getting the correct medication.

If you're traveling internationally or getting your prescription filled in different countries, the brand name might vary. Always carry your prescription information and know the generic name (eltrombopag) to avoid confusion.

Eltrombopag Alternatives

Several alternatives exist for treating low platelet counts, depending on your specific condition and medical history. Your doctor will consider factors like your age, overall health, and how well you've responded to previous treatments.

Other medications that can help increase platelet counts include romiplostim (Nplate), which is given as an injection, and avatrombopag (Doptelet), which works similarly to eltrombopag but may be better tolerated by some people.

Non-medication treatments might include immunosuppressive drugs like corticosteroids, immunoglobulins, or in severe cases, procedures like splenectomy (surgical removal of the spleen). Each option has different benefits and risks that need careful consideration.

For some people, newer treatments like rituximab or other targeted therapies might be appropriate. The choice depends on your specific condition, previous treatments, and individual response patterns.

Is Eltrombopag Better Than Romiplostim?

Both eltrombopag and romiplostim are effective treatments for low platelet counts, but they work in slightly different ways and have different advantages. The choice between them depends on your lifestyle, preferences, and medical factors.

Eltrombopag is taken as a daily pill at home, while romiplostim requires weekly injections at a healthcare facility. This makes eltrombopag more convenient for many people, though some prefer the weekly monitoring that comes with romiplostim injections.

In terms of effectiveness, both medications show similar success rates in increasing platelet counts. However, some people respond better to one than the other, which is why doctors sometimes switch between them if the first choice isn't working well enough.

The side effect profiles are somewhat different, with eltrombopag more commonly causing digestive issues and romiplostim potentially causing more injection site reactions. Your doctor will help you weigh these factors based on your specific situation.