Depression is one of the most common mental health conditions in the world. It affects hundreds of millions of people and can cause deep sadness, loss of energy, sleep problems, and difficulty enjoying daily life. Doctors usually treat depression with medications called antidepressants.
These medicines help balance certain chemicals in the brain that affect mood and emotions. For many people, antidepressants work well and can greatly improve quality of life. However, not every patient responds to the first medication they try.
When the first antidepressant does not work well enough, doctors often try other strategies. One option is to switch to a different antidepressant. Another option is to add a second antidepressant to the first one.
In recent years, some doctors have also started prescribing newer antipsychotic drugs together with antidepressants to treat difficult cases of depression. These medications were originally designed to treat serious mental illnesses such as schizophrenia and bipolar disorder, but they are now sometimes used as an additional treatment for depression.
Some of the newer antipsychotic drugs include aripiprazole, quetiapine, and olanzapine. These medicines can affect many systems in the body. While they may help improve mood in some patients, they are also known to cause important side effects.
For example, they can lead to weight gain, problems with blood sugar, changes in cholesterol levels, and other metabolic issues. Because of these risks, scientists have been trying to understand whether these medications are truly safe when used for depression.
A new study led by researchers from Rutgers University and Columbia University has raised serious concerns about this issue.
The research suggests that adults with depression who begin treatment with these newer antipsychotic drugs may have a higher risk of death than patients who add a second antidepressant instead. The findings were published in the scientific journal PLOS ONE.
To better understand the risks, the research team analyzed medical records from a large group of patients in the United States. The study included 39,582 adults between the ages of 25 and 64 who were enrolled in Medicaid, a health insurance program that helps people with limited income.
All of the patients in the study had been diagnosed with depression and were initially treated with one antidepressant medication. Later, their doctors decided that additional treatment was needed.
The researchers divided the patients into two main groups. One group added a second antidepressant medication to their treatment plan. The other group started taking a newer antipsychotic drug along with their antidepressant. The scientists then followed the patients and compared the outcomes between the two groups.
The results showed a clear difference in risk. Patients who began treatment with an antipsychotic medication had a 45 percent higher risk of death compared with those who added a second antidepressant.
When the researchers looked at the numbers more closely, they estimated that for every 265 patients who used antipsychotics for one year, there would be one additional death compared with those who used a second antidepressant instead.
These findings are important because antipsychotic medications are widely used in the treatment of depression that does not respond well to initial therapy.
In some cases, these drugs can help patients whose symptoms remain severe despite other treatments. However, the study suggests that the possible benefits of these medications must be carefully balanced against their risks.
The study also highlights another concern about current prescribing practices. In some cases, patients begin antipsychotic medications before fully trying standard antidepressant treatments for the recommended period of time.
Clinical guidelines generally suggest that patients should stay on a single antidepressant for four to six weeks before deciding whether it is effective. Starting stronger medications too early may expose patients to unnecessary risks.
Experts say that more research is still needed to understand exactly why antipsychotics may increase the risk of death in patients with depression.
The increased risk could be related to the metabolic side effects of these drugs, such as weight gain and problems with blood sugar. These changes can raise the risk of heart disease and other serious health conditions over time.
For patients and doctors, the findings serve as an important reminder that treatment decisions should always be made carefully. Doctors need to consider both the possible benefits and the potential dangers of each medication.
Patients should also feel comfortable discussing different treatment options with their healthcare providers and asking questions about possible side effects.
Depression can be a difficult illness to treat, and every patient responds differently to medication. While antipsychotic drugs may still help some people, the new study suggests they should be used cautiously and only after safer options have been fully explored.
If you care about mental health, please read studies about how dairy foods may influence depression risk, and 6 foods you can eat to improve mental health.
For more mental health information, please see recent studies about top foods to tame your stress, and Omega-3 fats may help reduce depression.
Copyright © 2026 Knowridge Science Report. All rights reserved.
