Evidence-Based Reviews

Psychiatric considerations in menopause

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Treating mental illness in menopause

Changes to drug pharmacokinetics occur because some metabolising enzymes are estrogen-dependent and their levels decline after menopause, which leads to greater variability in drug response, particularly for oral medications. Other factors that can contribute to variability in medication response are polypharmacy, alcohol, illicit drugs, liver mass, smoking, caffeine, and nutritional intake.

While antidepressants are the first-line treatment for MDD and anxiety disorders, some patients remain unresponsive or inadequately responsive to currently available medications. In perimenopausal women with MDD, there may be an indication for adjunctive therapy with transdermal E2 in refractory cases; estrogen may augment the effects of selective serotonin reuptake inhibitor (SSRI) antidepressants as well as hasten the onset of antidepressant action.22 Estrogen also may be worth considering in women with mild depressive symptoms. For MDD, SSRIs plus estrogen may be more beneficial in improving mood than either agent alone. The effectiveness of E2 is less certain in postmenopausal depression.


Hormonal therapy for mental health disorders has equivocal evidence. The individual’s history and risk factors (eg, cardiovascular and osteoporosis risks) must be considered. A recent trial found that treatment with either venlafaxine or low-dose estrogen improved quality of life in menopausal women with vasomotor symptoms.23 Venlafaxine improved the psychosocial domain, while estrogen improved quality of life in other domains. Escitalopram, duloxetine, and citalopram have also been identified as having a possible positive impact on menopausal symptoms.22 SSRIs and serotonin-norepinephrine reuptake inhibitors may help reduce hot flashes and improve sleep.11

Regarding schizophrenia and estrogen, there may be improved symptoms during the high estrogen phase of the menstrual cycle, followed by a premenstrual aggravation of symptoms. Recall that women have a second peak of onset of schizophrenia after age 45, around the age of the onset of menopause.24 In a study of geropsychiatric hospital admissions, women were overrepresented among those with schizophrenia and schizoaffective disorder, compared with other psychiatric disorders.25 Postmenopausally, some women experience a decreased responsiveness to antipsychotics and worsening symptoms. In menopausal women with schizophrenia, check prolactin levels to help determine whether they are experiencing a natural menopause or medication-induced amenorrhea. Gender differences in pharmacotherapy responses and the decreasing response to antipsychotics in women older than age 50 have been observed26 and have led to exploration of the role of estrogen for treating schizophrenia in menopausal women. There have been contradictory results regarding use of estrogen as an adjunct to antipsychotics, with some reports finding this approach is effective and results in lower average doses of antipsychotics. Kulkarni et al27,28 have reported improvements in positive symptoms of treatment-resistant schizophrenia with transdermal use of E2, 200 mcg, as an adjunct to antipsychotics in women of childbearing age. However, they expressed caution regarding the health risks associated with prolonged use of E2. Long-term risks of high-dose estrogen therapies include thromboembolism, endometrial hyperplasia, and breast cancer, and individual factors should be considered before starting any form of hormone therapy. Selective estrogen receptor modulators (SERMs), such as raloxifene, which can cause activation of E2 receptors in a tissue-specific fashion and have less estrogen-related adverse effects, offer hope for future development in this field.27,28 While the use of adjunctive hormone therapy to manage psychotic symptoms in menopause is not routinely advised, the dosages of previously effective antipsychotics may need to be reviewed, or long-acting depot routes considered.29 Increased risk of prolonged QTc interval and tardive dyskinesia in geriatric women also should be considered in decisions regarding changes to antipsychotics or dosages.30

There are no guidelines regarding change in dosage of either individual antidepressants or antipsychotics in women at the time of menopause for managing pre-existing conditions. This may be due to the high variability in the effect of menopause on mental health and recognition that menopause is also a time for deterioration in physical health, as well as psychosocial changes for women, and thus other forms of intervention need to be considered.

Continued to: The biopsychosocial approach to treatment...

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