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How Long Does Doxepin Side Effects Take To Diminish?

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Posted on Fri, 23 May 2014
Question: I have been taking doxepin for years in four ten mg capsules a day. Almost a month ago, my pharmacy made a mistake and gave me 100 mg capsules instead of ten mg capsules. I took this medicine for three days before we caught the mistake. How long should I experience an adverse reaction to this mistake?
doctor
Answered by Dr. Enrique Molina (17 minutes later)
Brief Answer:
24 hours at most

Detailed Answer:
the medication usually reaches a maximum level in your blood system 2 hours after taking it. It stays in your system less than 24h (even though the anti-depressive effect takes 2 weeks to kick in).
So the side effects if you were to have any, you should have had them by now. These most commonly are: fatigue, weakness, constipation, dry mouth, headaches, nausea, rash, sweating. There are other side effects in your blood (anemia, low platelets, abnormal liver tests, etc) but these usually happen after taking high dosage for a long period of time, usually not just 3 days.
Hopefully that helps.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Follow up: Dr. Enrique Molina (17 minutes later)
What if I am still having mood changes or irritability?
doctor
Answered by Dr. Enrique Molina (36 minutes later)
Brief Answer:
medication change

Detailed Answer:
if you are having mood changes or irritability this is not related to taking higher than your routine dose of medication. You should talk to your psychiatrist and decide if it is necessary to change or add a medication for you.
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Enrique Molina

Internal Medicine Specialist

Practicing since :2004

Answered : 364 Questions

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How Long Does Doxepin Side Effects Take To Diminish?

Brief Answer: 24 hours at most Detailed Answer: the medication usually reaches a maximum level in your blood system 2 hours after taking it. It stays in your system less than 24h (even though the anti-depressive effect takes 2 weeks to kick in). So the side effects if you were to have any, you should have had them by now. These most commonly are: fatigue, weakness, constipation, dry mouth, headaches, nausea, rash, sweating. There are other side effects in your blood (anemia, low platelets, abnormal liver tests, etc) but these usually happen after taking high dosage for a long period of time, usually not just 3 days. Hopefully that helps.