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Ferrous sulfate for Iron Deficiency Anemia User Reviews (Page 2)

Brand names: Iron Sulfate, Slow Fe, Feosol Original, Feratab, Ferrousal, Fer-In-Sol, Slow Release Iron, Ferrospace, Fero-Gradumet Filmtab, Chem-Sol Ferro-Time Fe 50 Fe Caps …show all brand names

Reviews for Ferrous sulfate

Commonly mentioned side effects
  • Kee...
  • Taken for less than 1 month
  • November 16, 2020

"Okay, so today when I woke up, I had diarrhea, and it made me feel very weak. I lost energy because of taking ferrous sulfate, I think. I pooped dark and watery, and it is really the worst thing ever. I just want to ask, should I still continue the ferrous sulfate? By the way, it'll be four weeks in two days, and I felt better but still pale. But now I have diarrhea. What do I do?"

6 / 10
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  • Bir...
  • Taken for 1 to 6 months
  • April 28, 2023

"I began to have more energy after about two weeks of taking the iron and vitamin C. Then I began to notice my blood pressure was steadily increasing. Instead of being slightly elevated in the morning and dropping by mid-morning, it was higher levels each morning and staying high all day unless the blood pressure was treated. My doctor and pharmacist say they haven’t heard of this as a side effect. Today was my second morning without the pill, and my systolic pressure has dropped 5 points."

9 / 10
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5 Report
  • Sic...
  • Taken for less than 1 month
  • July 26, 2020

"Do they have lactose in them? Third day taking them and felt so sick I checked the ingredients-they contain lactose. Iron deficiency is a direct cause of lactose intolerance, and it's reported that 70% of us are intolerant anyway. I don't know why they put that in them! Ask for a lactose-free prescription."

1 / 10
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10 Report

Frequently asked questions

  • Cee...
  • Taken for 5 to 10 years
  • November 2, 2023

"The drug makes me severely sick to the stomach with bad stomach pains and frequent loose stools. I have also been having headaches, but I am not 100% sure that it is related. I have taken it off and on for years and never had side effects. Perhaps I need to take it with food or not when I take my other meds."

6 / 10
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3 Report
  • flu...
  • Taken for 1 to 6 months
  • September 7, 2022

Ferrous sulfate "Please pay attention to the comments about the packaging. Always have to look for something-a knife, tine of a fork, etc., etc., to get the stupid pill out-and then hope it doesn't burst out and careen onto the floor."

1 / 10
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7 Report

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  • Cas...
  • Taken for less than 1 month
  • March 11, 2020

"Needed for low iron levels. Reduced my period bleeding, extreme bloating, and some nausea. Even tried taking it with a meal and lots of citrus for vitamin C. Makes stool darker and smellier, I eat lots of vegetables for my normal diet, so no constipation was experienced. Stopped after around a week."

2 / 10
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9 Report
  • Ari...
  • Taken for 1 to 6 months
  • September 3, 2021

"Dr. prescribed iron, and I was feeling better at two weeks. Take 3 months, then follow up at 3 months. Only told to watch for constipation. 2 months later, suddenly began having diarrhea with a sudden urge to go… now. This went on for almost a month, thinking it had something to do with the new hypothyroid med. but honestly, it all began about 4 days before I began this med. I was convinced it was to do with something thyroid-related, as the only other thing I was taking was iron, and everybody knows iron makes iron stool, and the doctor told me only of constipation too… this was not the case. I was waiting for a follow-up with the endocrinologist (thyroid doc) to see what she thought, which was scheduled before my regular doc follow-up for iron. She was as confused as me. Between taking iron that supposedly only will back you up and hypothyroid, which also slows that down."

6 / 10
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4 Report
  • Alv...
  • Taken for 6 months to 1 year
  • December 6, 2023

"Took this for anemia due to menorrhagia. Caused severe abdominal pain, bad taste in my mouth, slight nausea. My doctor was confused and ready to refer me to a gastroenterologist. I got some relief from the abdominal pain with taking low dose OTC iron instead. All these issues stopped when I had a hysterectomy and no longer needed iron."

6 / 10
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1 Report
  • Mol...
  • Taken for less than 1 month
  • April 7, 2025

Ferrous sulfate "It took forever to get the tablets out. I went to my drug store and got one of the medicine plastic containers and spent an afternoon taking the impossible tablets out and putting them loose in the new container. So nice now."

9 / 10
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0 Report
  • mou...
  • October 3, 2018

"I took one tablet and had diarrhea."

2 / 10
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30 Report
  • Anonymous
  • Taken for 1 to 6 months
  • July 31, 2017

"Stomach problems, cramps, constipation, and diarrhea sometimes."

5 / 10
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29 Report
  • HOR...
  • October 9, 2021

Ferrous sulfate "Horrible packaging. Tried to communicate this to the company - similarly impossible. High percentage of seniors using this. Why make it so difficult? Stupid, insensitive management."

1 / 10
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14 Report
  • Whi...
  • February 17, 2018

"These tablets make me vomit, and after taking them for six weeks, my mouth is raw, throat is sore, and I have a thick feeling in my throat. My GP says I have to persevere with them."

1 / 10
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18 Report
  • Mac...
  • Taken for less than 1 month
  • March 3, 2021

"I started taking iron pills 5 days ago, and I woke up this morning with both my ears plugged, and I’ve never had plugged ears before! Has anyone else experienced this?"

2 / 10
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7 Report
  • Mar...
  • August 26, 2020

Ferrous sulfate "Packaging impossible! Whoever invented blister packs should be removed from their job! Also, other products sold in bottles are less costly!"

4 / 10
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13 Report
  • Lis...
  • Taken for less than 1 month
  • December 15, 2020

Ferrous sulfate "This product is impossible to get out of the package and needs to be sold in an ordinary bottle."

3 / 10
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10 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.

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