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Concerned about the side effects of anastrozole

Breast Cancer | Last Active: Nov 21 7:48am | Replies (1935)
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@trixie1313

I was on anastrozole (Arimidex) for about a month and had headaches 25 days and then none for 5 days. Then....Boom...horrendous headaches, nausea, sweats,, fevers, extreme weakness, etc. but found out that it was from a bacterial infection and diverticulitis. My oncologist has told me to go off of anastrozole for 2 weeks and we'll talk again then. I probably had the infection for about 2 weeks before seeing my doctor while blaming the anastrozole for all the side effects! Now that I'm off of it, I've noticed more bone and joint pain and sweats which I think must be withdrawal from it. The joint pain I had from the AI had been managed by 5,000 U of vitamin D3. So I guess I'll find out what's really what once I get put back on whatever it is I have to go on.

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Replies to "I was on anastrozole (Arimidex) for about a month and had headaches 25 days and then..."
kathyomaha55 | @kathyomaha55 | Apr 26, 2019

I've been on anastrozole for about 6 months now. I'm only taking 1,000 U of D3 oil. I will try your dosage. My doctor said EXERCISE, Exercise & Exercise! Of course I do not feel like exercise but have been trying and - it really does make me feel better! The YMCA has a program called Livestrong, a free 12 week program for cancer survivors. It is worth looking into if you have a Y nearby. I have arthritis in my knees, so it was hard to tell if the pain was from that or from the drug. I'm going to try to keep up the exercise & my best wishes for you. Yeah - 5 years seems like a long time (I'm 63) and 10 years seems like forever. I'm at least going to try for the 5 years. 🙂

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sparklegram | @sparklegram | Apr 26, 2019

Trixie, I'm sorry to hear about all of these issues you've had to deal with. Please do let us know how you respond to your next bout with an AI. It's all so confusing. I'm 74 and it's difficult to discern what is being caused by age or the AI. All I know is I never felt this fatique and weakness before I began taking Arimidex. Of course, I won't stop taking the meds because I don't want a recurrence of cancer.

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