Allergic (hypersensitivity) reactions, including anaphylaxis: Serious allergic reactions can happen during or after SAPHNELO administration. Tell your healthcare provider or get emergency help right away if you have any of the following symptoms of a serious allergic reaction:
- – swelling of your face, mouth, and tongue
- – breathing problems
- – fainting or dizziness
- – feeling lightheaded (low blood pressure)
Cancer: SAPHNELO may reduce the activity of your immune system. Medicines that affect the immune system may increase your risk of certain cancers
The most common side effects of SAPHNELO include:
- –Upper respiratory infections
- –Bronchitis
- –Infusion reactions (when given intravenously)
- –Shingles (herpes zoster)
- –Cough




