Girls, good day to all of you. Please tell me, I have anemia, hemoglob…

Girls, good day to all of you. Please tell me, I have anemia, hemoglobin 91, ferritin 4.9. The hematologist prescribed several medications, including Sorbiferr. Since I didn't know that these drugs could cause constipation and didn't ask at the pharmacy, I chose Sorbiferr. I took it for about a week or more. But because of the terrible constipation, I stopped taking it. When I was taking it, I felt much better. But now for two days, the condition returns when I don't take Sorbiferr. Weakness, tachycardia, etc. Now the question is, what can I replace Sorbiferr with? I read about Fenulse, many write that