Do you still have Pseudomonas? Or was it cleared? Mine is chronic so i have it all the time. My pulmonologist also said in that same conversation that an iron infusion would be risky for me due to the Pseudomonas. If you do have chronic Pseudomonas can you check this with your pulmonologist? Mine specializes in Bronchiectasis and CF and is in the specialty pulmonary department at the University of Iowa Hospitals and Clinics. Also some iron pills may absorb better than others or taken with Vit C.