Side Effects
Do not drink alcohol while you are taking doxepin (Silenor)
The recommended dosage of doxepin for insomnia is 3–6 milligrams (mg) per day for less than 4–8 weeks
Do not use doxepin if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline