Which of these medications cause hemoglobin to lower

Losartan
Atenolol
Pantoprozole
Lorazepam
Buspar
Aspirin
Norvasc
B12

The medications that are most likely to cause hemoglobin to lower are Atenolol and Aspirin. Atenolol is a beta-blocker that can cause a decrease in red blood cell production, which can lead to a decrease in hemoglobin levels. Aspirin can cause gastrointestinal bleeding, which can lead to a decrease in hemoglobin levels as well. The other medications listed are not typically known to cause a decrease in hemoglobin levels.