Ibrance Side Effects

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Right now, Ibrance is only approved for postmenopausal women. But it’s important to know that women who are pregnant or are planning to get pregnant should not take Ibrance. Doctors don’t know if Ibrance will harm your unborn baby. It’s important that you don’t get pregnant while you’re taking Ibrance; you must use effective birth control while you’re taking it and for at least 2 weeks after your last dose.

Also, women who are breastfeeding or plan to breastfeed shouldn’t take Ibrance. Together, you and your doctor will decide if you should take Ibrance or breastfeed.

The most common side effects of Ibrance are:

Ibrance also may cause serious side effects, including:

Neutropenia (low white blood cell count): Low white blood cell counts are a common side effect of Ibrance. Still, some women’s white blood cell counts may drop so low that they have to decrease the dose or of Ibrance or stop treatment. Your doctor will check your white blood cell count before and during treatment with Ibrance.

Infections: Ibrance may make some women more likely to develop infections such as pneumonia or other upper respiratory infections. Tell your doctor right away if you have a temperature higher than 100.5 degrees F, chills, or don’t feel well.

Blood clots: Ibrance may cause serious or life-threatening blood clots in your arteries or lungs. Tell your doctor right away if you have shortness of breath, rapid heart rate, rapid breathing, or a sudden sharp chest pain.

Because Ibrance is given with Femara, you also may have Femara side effects. Common side effects of Femara are bone thinning and bone and joint pain.  



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