Can Antidepressants Stop Working?

Nancy Schimelpfening, M.S.

Nancy Schimelpfening is the founder of Depression Sanctuary. Unless otherwise stated, all of the content on Depression Sanctuary is written by and maintained by Nancy. Nancy has a master’s degree in community health education from Old Dominion University in Norfolk, VA. She was the About.com (now Verywell.com) expert on depression from 1998 – 2016. She has also written for other online publications, including Healthline and Health Digest.

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For many with depression, antidepressants are a lifesaving treatment that can alleviate symptoms and improve mental health. However, some individuals may find that over time, their medication loses its effectiveness. In this article, we’ll explore the reasons why antidepressants stop working and what solutions are available.

Why Antidepressants Stop Working

One of the main reasons antidepressants can stop working is that the body builds up a tolerance to the medication over time. As the brain adapts to the medication, it may become less effective in reducing the symptoms of depression. This is particularly true of selective serotonin reuptake inhibitors (SSRIs), which are the most commonly prescribed class of antidepressants.

Another reason antidepressants may lose their effectiveness is nonadherence – not taking the medication as prescribed. Failure to follow the doctor’s instructions, including missing doses or stopping the medication, can reduce its effectiveness.

Antidepressants may also not work as well if there are underlying health conditions that are contributing to or exacerbating the depression. For example, if the individual also has a substance abuse disorder or a thyroid problem, the medication may not work as well.

In some cases, the dosage of the medication may not be sufficient to alleviate the symptoms of depression. Your doctor may need to adjust your dose or prescribe a different medication.

Finally, antidepressants can take several weeks or months to take effect, meaning the individual may not see any improvement in their depression symptoms immediately. It’s important to continue taking the medication as prescribed and talk to the doctor if the medication appears to be ineffective.

Solutions for Antidepressants That Stop Working

One solution to antidepressants that are no longer effective is to adjust the dose. This may mean increasing or decreasing the dosage, depending on the patient’s response to the medication.

If the current medication is not providing the desired results, the doctor may also decide to switch the patient to a different medication or combine medications.

Additionally, complementary therapies, such as cognitive-behavioral therapy, can be used in combined with medication to address the underlying issues that may be contributing to depression.

Healthy lifestyle choices, such as exercise, a healthy diet, and stress management techniques, can help support mental health and may augment the effectiveness of antidepressants.

Ultimately, however, the best solution for an antidepressant that is no longer effective is to consult with a doctor. Your physician is the best person to determine what next steps are best for your particular case.

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