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Effects of antipsychotics on the unborn child: what is known and how should this influence prescribing?
1Department of Psychiatry, Louisiana State University Medical Center, Shreveport 71130, USA. hpinko@lsumc.edu
Insights
Managing psychosis during pregnancy involves complex decisions due to potential risks. Careful assessment of benefits and risks is crucial for both medication and non-medication approaches in pregnant patients.
Area of Science:
- Perinatal Psychiatry
- Neuropharmacology
- Obstetrics
Background:
- Psychosis during pregnancy presents significant management challenges.
- Requires multidisciplinary collaboration between family, healthcare professionals, and physicians.
- Treatment decisions involve balancing maternal and fetal well-being against symptom severity.
Purpose of the Study:
- To review the complexities and risks associated with managing psychosis in pregnant patients.
- To evaluate treatment options, including medication and electroconvulsive therapy.
- To highlight the incomplete research on antipsychotic use during pregnancy.
Main Methods:
- Review of existing literature on psychosis treatment during pregnancy.
- Analysis of risks associated with antipsychotic medications, including teratogenic and neonatal effects.
- Consideration of non-pharmacological interventions like electroconvulsive therapy.
Main Results:
- No treatment is entirely risk-free; decisions require careful risk-benefit assessment.
- First-trimester antipsychotic use, particularly low-potency phenothiazines, may increase congenital abnormality risk.
- Adverse effects of antipsychotics (e.g., hypotension, sedation) and newer atypical agents require consideration.
Conclusions:
- Treatment of psychosis in pregnancy necessitates a thorough evaluation of all factors.
- Electroconvulsive therapy may offer an alternative to antipsychotic medication.
- Further research is needed to fully understand the safety profiles of antipsychotics in pregnancy.
Abstract:
The onset of psychosis during pregnancy presents difficult management decisions. A complete and thorough physical and obstetric examination is always warranted to look for possible physiological precipitants. The treatment of pregnant patients with psychotic symptomatology requires close contacts between family members, non-physician professionals involved in the patient's care (e.g. social workers, case managers and home healthcare nurses), and the physicians overseeing the patient's management (e.g. internists, obstetricians and psychiatrists). In mild and less disabling cases it may be possible to avoid medication intervention but this approach risks adverse behaviour consequences resulting from a possible worsening of the patient's symptomatology. Avoiding medication requires an environment in which the patient has strong social supports. Risks are present whether medication is initiated or not, and treatment decisions require a careful assessment of the risks and benefits involved. Initiating medication raises the possibility of obstetric, teratogenic, neurobehavioural and neonatal toxic effects. Research on the risks imposed by antipsychotic drug use during pregnancy is incomplete and raises questions regarding appropriate management. The first trimester represents a period of increased susceptibility to medication-induced teratogenesis. The use of low potency phenothiazines during the first trimester may increase the risk of congenital abnormalities by an additional 4 cases per 1000 (odds ratio = 1.21, p = 0.04) The pharmacological profiles of antipsychotic medications also present adverse effects which need to be considered during pregnancy (hypotension, sedation, etc.). Less is known about the risk of adverse consequences resulting from the use of newer atypical antipsychotic medications. Electroconvulsive therapy is another treatment modality and its use may circumvent the need to introduce antipsychotic medication during pregnancy. It must be stressed that. given current knowledge, no treatment regimen can be considered completely safe. Ultimately many factors must be evaluated when treating psychosis during pregnancy, however, no decision is risk-free.