Osiden Adenosine Fludarabine Phosphate
ModerateThe leaflet doesn't say that adenosine itself affects fludarabine. It says that medicines which block the uptake of adenosine, such as dipyridamole, may make fludarabine phosphate work less well. Adenosine is not named as an interacting medicine in this sentence, so the text gives no direct effect between fludarabine phosphate and adenosine.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.