Deferasirox is an oral medication that gets rid of extra iron in your body from blood transfusions or certain blood conditions. It's taken daily, usually for a long time since it can take several months for iron levels to go down. Deferasirox is available in both generic and brand formulations. It comes in tablets (Jadenu), dissolvable tablets (Exjade), and granules (Jadenu Sprinkle). The most common side effects of deferasirox are belly pain, nausea, and diarrhea.
Chronic iron overload (high iron levels in the blood for a long period of time) in:
People age 2 years and older who receive regular blood transfusions
People age 10 years and older with a genetic blood condition called non-transfusion-dependent thalassemias (NTDT)
Deferasirox is a chelating agent. It attaches to iron in your blood and allows your body to get rid of the extra iron through stool.
Source: DailyMed
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Incidence not known
Black, tarry stools
bleeding gums
blood in the urine or stools
dark urine
decrease in the amount of urine
general feeling of tiredness or weakness
hives, welts, skin rash
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
light-colored stools
lower back or side pain
pale skin
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
redness, soreness, itching of the skin
sores, blisters
stomach pain, continuing
unusual bleeding or bruising
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
vomiting of blood or material that looks like coffee grounds
yellow eyes or skin
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Taken by mouth once a day so it's convenient for people with a busy schedule
Granules and soluble tablets can be dissolved in water, so it's easy to take for people who have difficulty swallowing pills
Available as a generic medication so it might be less expensive
Risk of serious side effects in older adults and children
Requires regular blood work and lab tests to monitor for serious side effects
Interacts with a lot of common medications, such as simvastation (Zocor), hormone contraceptives, and antacids with aluminum
Different formulations of deferasirox have different directions on how to take the medication. Check with your provider or pharmacist for instructions before taking deferasirox or giving it to your child.
Directions for deferasirox dissolvable tablets (Exjade): Take deferasirox dissolvable tablets on an empty stomach at least 30 minutes before food. Dissolve the tablets in 4 oz to 8 oz of liquids, such as water, orange juice, or apple juice, and drink the mixture immediately. Add a small amount of liquid to any leftovers, stir, and drink again.
Directions for deferasirox tablets (Jadenu) and granules (Jadenu Sprinkle): Take deferasirox tablets or granules on an empty stomach or with a light meal, such as a turkey sandwich or jelly. Swallow the tablets with water to better help the pills go down. If you have trouble swallowing, you can crush the tablets or take the granules. Sprinkle the crushed tablets or granules on soft food, such as applesauce or yogurt. Make sure to take the entire mixture immediately after mixing.
Certain medications can affect the amount of deferasirox in your body, how well the medication works, and the risk of side effects. Please let your provider and pharmacist know about all your medications, including over-the-counter products and supplements, so they can make sure your medications are safe for you to take.
Tell your provider if you or your child gains or loses any weight before or while taking deferasirox. Your or your child's dose of deferasirox might need to be changed.
Make sure to get your routine blood and urine tests done on time while you’re taking deferasirox so your provider can make sure this medication is safe for you. Your dose might change depending on these test results, so always follow your provider's most updated instructions on how much deferasirox to take.
Don't drive a car or operate machinery until you know how deferasirox affects you, since this medication can make you dizzy.
Please tell your provider right away if you or your child experiences vomiting, diarrhea, or fever. These symptoms can lead to dehydration, especially if you're not drinking fluids as often as usual. Dehydration can raise the risk of serious kidney problems. You might need to stop taking deferasirox temporarily to prevent these problems from happening.
Talk to a provider if you or your child experiences hearing loss, difficulty hearing, vision changes, or seeing halos around lights while taking deferasirox. This is because the medication can cause hearing and visual problems.
Deferasirox can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
Risk factors: History of kidney problems | Severe blood diseases | Taking other medications that can cause kidney problems | Young children | Children who are dehydrated
For certain people with one of the risk factors, such as kidney problems or severe blood diseases, deferasirox can cause sudden kidney problems that might require dialysis. These problems can be life-threatening, leading to kidney failure and death. If you have any of the risk factors, please talk with your provider so they can decide how you can safely take deferasirox.
You’ll need to get blood and urine tests done before you start treatment and while you take deferasirox so your provider can check your kidney health. If you or your child experiences vomiting, diarrhea, fever, or isn’t drinking fluids as often as usual during treatment, talk with your provider right away. You might need to stop deferasirox for a short period of time to prevent kidney problems. Please also talk with your provider if you or your child is urinating less than usual while taking deferasirox. This can be a symptom of kidney problems.
Risk factors: History of liver problems | History of serious medical conditions, such as organ failure | People older than 55 years of age | Children who are dehydrated
Deferasirox can cause liver problems that can be life-threatening. These problems are more common in older people and people with organ failure or cirrhosis of the liver (long-term liver damage). Liver failure can also happen in children who become severely dehydrated. If you have any of the risk factors, please talk with your provider so they can decide how you can safely take deferasirox.
You’ll need to get blood tests done before you start treatment and while you take deferasirox so your provider can check your liver health. If you or your child experiences signs and symptoms of liver damage, such as feeling sleepy, upper right stomach pain, yellowing of the skin or eyes, or dark urine, please talk with your provider immediately.
Risk factors: Older people with serious blood diseases | Low platelet count | Taking other medications that can cause stomach problems
People who take deferasirox can experience stomach bleeding and ulcers. In older people with serious blood problems, stomach bleeding can be life-threatening. Some medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids, bisphosphonates, or blood thinners, can raise your risk of stomach bleeding. Tell your provider about all the medications that you take before starting deferasirox. If you have severe stomach pain, black and tarry stools, or blood in the urine while taking this medication, get medical help promptly.
Risk factors: History of blood problems
Taking deferasirox can lower the level of blood cells in your body. This can sometimes be life-threatening, especially if you have other serious blood problems. Your provider will do blood tests to check your blood cell counts for these problems. Please let your provider know if you have signs and symptoms of bleeding and infection, such as frequent fever or nose bleeds that don't stop.
Sometimes, deferasirox can remove too much iron from the blood, which can cause harm to your kidneys and liver. To prevent this from happening, your provider will prescribe the lowest possible dose of deferasirox that works well for you. If you're receiving blood transfusions, your provider will check your iron levels, kidney health, and liver health through blood tests at least every month to make sure your dose is safe for you. If you have NTDT, your provider will check the iron levels in your blood every month and measure the iron levels in your liver at least every 6 months.
Deferasirox can sometimes cause rash and other severe skin reactions. If you have a mild or moderate rash, continue to take deferasirox and let your provider know. Oftentimes, the rash goes away on its own. If you have a severe rash or your rash gets worse, talk with your provider right away. You might need to stop taking deferasirox for a short period of time and restart at a lower dose after your rash is gone. If you have a rash with blisters on your lips, skin peeling, skin pain, mouth sores, or high fever, get medical help immediately and stop taking deferasirox.
Risk factors: Children taking higher dose
People who take deferasirox can sometimes experience vision or hearing problems. These side effects are more common in children taking higher doses of deferasirox. You’ll need to get an eye exam and take a hearing test before starting deferasirox and once every year during treatment so your provider can make sure this medication is safe for you. If you experience hearing loss, difficulty hearing, cloudy, blurry, or dim vision, or see halos around lights while taking deferasirox, please talk with your provider right away.
The dose depends on which form of deferasirox you have and your body weight. Your provider will adjust your dose based on how much iron is in your blood.
Chronic iron overload due to blood transfusions:
Tablets (Jadenu) or granules (Jadenu Sprinkle): The usual starting dose is 14 mg/kg of body weight by mouth once daily on an empty stomach or with a light meal, such as jelly or skim milk. The maximum dose is 28 mg/kg of body weight once daily.
Dissolvable tablets (Exjade): The usual starting dose is 20 mg/kg of body weight by mouth once daily on an empty stomach, at least 30 minutes before food. The maximum dose is 40 mg/kg of body weight once daily.
Chronic iron overload in NTDT:
Tablets (Jadenu) or granules (Jadenu Sprinkle): The usual starting dose is 7 mg/kg of body weight by mouth once daily on an empty stomach or with a light meal, such as jelly or skim milk. The maximum dose is 14 mg/kg of body weight once daily.
Dissolvable tablets (Exjade): The usual starting dose is 10 mg/kg of body weight by mouth once daily on an empty stomach, at least 30 minutes before food. The maximum dose is 20 mg/kg of body weight once daily.
Please note:
There are different instructions on how to take the tablets, granules, and soluble tablets. Please read the FAQ and Pharmacist tips sections for details.
Your dose might differ if you have kidney or liver problems.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Moderate or severe kidney disease
High-risk myelodysplastic syndromes(MDS), a group of blood conditions that causes low blood cells in the body
Aggressive tumor or late-stage blood cancers
Severely low platelet counts
Have poor performance status (e.g., not able to fully care for self, in bed or chair more than half of the time while awake)
Chronic iron overload (high iron levels in the blood for a long period of time) in:
People age 2 years and older who receive regular blood transfusions
People age 10 years and older with a genetic blood condition called non-transfusion-dependent thalassemias (NTDT)
Too much iron as a result of multiple blood transfusions in people with certain types of anemia
Severe and sudden iron poisoning
Transfusion iron overload in people with certain blood diseases (thalassemia, sickle cell disease, or other anemias)
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