Mild Side Effects
Let’s take a look at some of the mild side effects people taking Neulasta may experience:
- Bone pain [1]
- Pain or tenderness at Neulasta injection sites
- Skin-related side effects when taking the Neulasta Onpro patch
- Pain in your arms or legs
In most cases, mild side effects of Neulasta go away after a few days or some weeks. Seek medical attention immediately if they persist or worsen over time. You can speak with your pharmacist or doctor to learn more about mild side effects of this drug.
Serious Side Effects
Serious side effects of Neulasta are less common than mild side effects. It is important to call your doctor immediately if you experience serious side effects of the drug. Contact 911 or your local emergency number if you think you’re experiencing a medical emergency.
Here are some serious side effects of Neulasta:
- Capillary leak syndrome: This is a condition that occurs when there’s a leakage from tiny blood vessels, known as capillaries. [2]
- Elevated levels of white blood cells: This is usually a sign of infection and may lead to breathing difficulty, bruising or bleeding, and fever.[3]
- Allergic reaction
- Acute respiratory distress syndrome: This is a lung condition that results in sudden breathing difficulties. [4]
- Aortitis (inflammation of the aorta, the heart’s main artery): This can lead to back pain or spasm, fatigue, belly ache, and fever. [5]
- Kidney problems, like glomerulonephritis (inflammation of a certain part of your kidneys) [6]