Withdrawal Symptoms: Though not indicative of addiction, abrupt cessation of treatment after prolonged therapy may produce nausea, headache, and malaise. In isolated cases: Gynecomastia in the male, breast enlargement and galactorrhea in the female, testicular swelling, elevation or depression of blood sugar levels, weight loss, inappropriate antidiuretic hormone ADH secretion syndrome. Always seek the advice of your health care professional if you have any questions about this product or imipramine overnattning your medical condition. Endocrine: Gynecomastia in the breast enlargement and galactorrhea in the increased or decreased libido, testicular elevation or depression of blood sugar inappropriate antidiuretic hormone ADH secretion syndrome. Receptor Short-lived protein molecules embedded in the cell wall of neurons, especially of their synapses, to which neurotransmitters attach to initiate an action. Aluminum lake, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, sodium starch glycolate, titanium dioxide.