See the DrugPatentWatch profile for nivolumab

Nivolumab is a type of medication known as an immune checkpoint inhibitor, which helps the body's immune system fight against cancer cells. It is used to treat several types of cancer, including melanoma, non-small cell lung cancer, and renal cell carcinoma. As with any medication, nivolumab can cause side effects.

Common side effects of nivolumab include:

* Fatigue
* Muscle or joint pain
* Diarrhea
* Decreased appetite
* Nausea
* Rash
* Itching

More serious side effects of nivolumab include:

* Severe stomach pain, diarrhea, or constipation
* Cough, chest pain, or shortness of breath
* Vision changes
* Seizures
* Headache
* Confusion
* Changes in mood or behavior
* Tremors or jerking movements
* Weakness or numbness in an arm or leg
* Swelling in the arms or legs
* Rapid heartbeat
* Feeling cold or pale
* Easy bruising or bleeding

In rare cases, nivolumab can cause severe immune-related side effects, such as:

* Pneumonitis (inflammation of the lungs)
* Hepatitis (inflammation of the liver)
* Colitis (inflammation of the colon)
* Endocrinopathies (hormonal imbalances)
* Nephritis (inflammation of the kidneys)
* Dermatologic reactions

Patients should contact their healthcare provider immediately if they experience any of these symptoms.

It's important to note that the risk and severity of side effects may vary depending on the individual and the dose of nivolumab. Patients should speak with their healthcare provider for a complete list of potential side effects and to discuss any concerns they may have.

Sources:

1. [Nivolumab (PD-1 Inhibitor)](https://www.drugpatentwatch.com/drugs/nivolumab)
2. [Nivolumab (Opdivo)](https://www.cancer.gov/about-cancer/treatment/drugs/nivolumab)
3. [Nivolumab (Opdivo) Side Effects](https://www.webmd.com/drugs/2/drug-168858/nivolumab-opdivo-intravenous/details)