Doctor insights on:
Ferrous Sulfate Side Effects
Constipation: Mild side effects can include constipation; darkened or green stools; diarrhea; nausea; stomach upset.. More severe side effects can include headache, allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); black, tarry stools; blood or streaks of blood in the stool; fever; vomiting with continuing sharp stomach pain. ...Read more
Iron supplements: Ferrous sulfate can interfere with the absorption of certain medications like thyroid hormone. It also can cause stomach upset, constipation, diarrhea, and achiness. If one takes excessive amounts of iron over long periods of time it can very rarely cause organ damage such as heart and liver failure. ...Read more
I was prescribed ferrous sulfate (325mg) on May 29th. For 2 weeks the middle of my bottom lip has been dark brown and chapped. Is this a side effect?
Unrelated: The two are likely to be unrelated. You may use an over the counter emollient like Chap-stick for the lip. Keep taking iron. Unrelated to your question: If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine. ...Read more
Ferrous sulfate: Although it is possible to have side effects from ferrous sulfate ingestion, in small amounts it will probably not hurt you. Ferrous sulfate is used to fortify foods and sometimes used to treat iron deficiency anemia. It should not be used on a regular basis unless prescribed by your physician. Good luck. ...Read more
Iron overdose: Usually, an excessive one-time dose of iron washes through your intestines and doesn't cause any side effects other than nausea, vomitina, and diarrhea. Too much iron over many months can cause iron build-up in your body and may require chelation therapy. You need to visit your healthcare provider and get appropriate testing depending on how much iron you have taken. ...Read more
Is it common for ferritin levels to increase from 33 ug/L to 95 ug/L after taking 300 mg x 3 times a day of ferrous sulfate for 10 days?
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