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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Fatigue And Flu Like Symptoms After Taking Macrobid?

My daughter is having some pretty bad side effects to Macrobid. The last capsule was taken this past Tuesday night and she is still experiencing fatigue and flu like symptoms. Is this normal and how long until the drug clears her system? YYYY@YYYY
Tue, 5 Jan 2021
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General & Family Physician,  's  Response
Hi,

Macrobid contains nitrofurantoin which is an antibiotic is used for treating urinary tract infections caused by several types of bacteria. It is effective against E.coli, Enterobacter cystitis, Enterococcus, Klebsiella and Staphylococcus aureus. Macrobid interferes with the production of bacterial proteins, DNA and cell walls. Bacteria can't survive without a cell wall or multiply without DNA.

Side effects of Macrobid are nausea, vomiting, headache, rash, itching, loss of appetite, diarrhea, abdominal pain, change in urine color, lung injury, anemia, liver damage, breathing difficulties, vasculitis, chills, chest pain, fever, dizziness, flu like symptoms, fatigue, allergic reactions etc. These symptoms usually resolve within a week if the medication is stopped. If these side effects persist for long or bother you, then you should consult your doctor promptly for medical help.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Zubayer Alam, General And Family Physician
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What Causes Fatigue And Flu Like Symptoms After Taking Macrobid?

Hi, Macrobid contains nitrofurantoin which is an antibiotic is used for treating urinary tract infections caused by several types of bacteria. It is effective against E.coli, Enterobacter cystitis, Enterococcus, Klebsiella and Staphylococcus aureus. Macrobid interferes with the production of bacterial proteins, DNA and cell walls. Bacteria can t survive without a cell wall or multiply without DNA. Side effects of Macrobid are nausea, vomiting, headache, rash, itching, loss of appetite, diarrhea, abdominal pain, change in urine color, lung injury, anemia, liver damage, breathing difficulties, vasculitis, chills, chest pain, fever, dizziness, flu like symptoms, fatigue, allergic reactions etc. These symptoms usually resolve within a week if the medication is stopped. If these side effects persist for long or bother you, then you should consult your doctor promptly for medical help. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Zubayer Alam, General And Family Physician