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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Severe Fatigue And Dizziness While On Anastrozole?

not able to continue taking Aromasin due to insurance, I was switched to Anastrozole 1mg. I ve been on it since 07-28-2017 and i m feeling terrible. Trouble swallowing meat and thick foods, most everything makes me feel like I have the flu, hands hurt more than before, very fatigued, sleepy most the day, memory has worsened and hearing. I didn t take a pill last night. I m really tired of feeling terrible and aching. Really dizzy
Mon, 13 Aug 2018
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General & Family Physician 's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

As per my clinical knowledge, the Anastrozole is estrogen antagonist agent and has severe side effects profile as part of hormone alteration:
- Headache, dizziness
- Dry mouth, coughing
- Sleep disturbances, hot flushes
- Tiredness
- Abdomen discomfort
I strongly recommend to discuss the same with your doctor and get dose alterations or modifications in this issue.

Hope I have answered your query. Let me know if I can assist you further.
Regards,     
Dr. Purva Patel
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What Causes Severe Fatigue And Dizziness While On Anastrozole?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. As per my clinical knowledge, the Anastrozole is estrogen antagonist agent and has severe side effects profile as part of hormone alteration: - Headache, dizziness - Dry mouth, coughing - Sleep disturbances, hot flushes - Tiredness - Abdomen discomfort I strongly recommend to discuss the same with your doctor and get dose alterations or modifications in this issue. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Purva Patel