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Does Prozac Reduce The Effectiveness Of Norethindrone?

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Posted on Tue, 3 Mar 2015
Question: Hello,
Is Norethindrone's effectiveness reduced by prozac?
Also is it safe to use Plan B while while using prozac?

Thanks
doctor
Answered by Dr. Sameer Kumar (8 minutes later)
Brief Answer:
yes prozac reduces efficacy of both...explained.

Detailed Answer:
Hello,
Thanks for contacting HCM,

PROZAC or fluoxetine are antipsychotic medication which can effect the efficacy of all hormonal medications be it norethindrone or plan-b. But if the situation demands in cases to avoid unwanted pregnancy then fluoxetine can be stopped for a week and then plan-b should be taken and further intercourse should be avoided till withdrawal bleed is achieved within 7-10 days.
tHE EFFECTIVENESS is affected but just 20-30% , that should not deter the usage of emergency contraception pill at all.
I hope i have answered your query,
regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Sameer Kumar (17 minutes later)
What if the patient has been taking a 10mg dosage of fluoxetine only for a week and stopping the pill may cause severe depression in them? Can they take the Plan B while using fluoxetine?
doctor
Answered by Dr. Sameer Kumar (7 minutes later)
Brief Answer:
explained..yes still plan b can be taken.

Detailed Answer:
firstly PLAN B is not contraindicated with fluoxetine. It can be used if emergency contraception is a concern here.

Also if the fluoxetine has been taken for a week then it is unlikely to cause a withdrawal depression episodes. i feel the stress of pregnancy would be definitely more than you r concern of getting depressed on withdrawal by stopping fluoxetine. If pregnancy occurs i am sure your depression and anxiety shall double even with fluoxetine.
So you can safely stop prozac and take plan b within 72 hrs of intercourse as it shall not be effective after 72 hrs .
regards
Note: Revert back with your gynae reports to get a clear medical analysis by our expert Gynecologic Oncologist. Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Sameer Kumar

OB and GYN Specialist

Practicing since :2002

Answered : 1782 Questions

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Does Prozac Reduce The Effectiveness Of Norethindrone?

Brief Answer: yes prozac reduces efficacy of both...explained. Detailed Answer: Hello, Thanks for contacting HCM, PROZAC or fluoxetine are antipsychotic medication which can effect the efficacy of all hormonal medications be it norethindrone or plan-b. But if the situation demands in cases to avoid unwanted pregnancy then fluoxetine can be stopped for a week and then plan-b should be taken and further intercourse should be avoided till withdrawal bleed is achieved within 7-10 days. tHE EFFECTIVENESS is affected but just 20-30% , that should not deter the usage of emergency contraception pill at all. I hope i have answered your query, regards