Which medications are known to cause frequent urination at night?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Nocturia, or frequent nighttime urination, can be a side effect of certain medications. Common culprits include clozapine (an antipsychotic) and selective serotonin reuptake inhibitors (SSRIs), which are widely prescribed for depression and anxiety. If you've recently started a new prescription and noticed increased overnight bathroom trips, your medication may be the cause.

Because nocturia can also signal other underlying conditions—such as diabetes, urinary tract issues, or sleep disorders—it's important not to assume medication is the only factor. Taking a free, instant, online symptom check can help you quickly identify possible causes based on your unique symptoms, so you can have a more informed conversation with your doctor and take confident next steps toward better sleep and health.

Reviewed for medical accuracy: 07/15/2026

Important Next Steps

Learn likely causes of frequent urination Find if nighttime urination needs care Discover if symptoms suggest a serious issue See OTC options for frequent urination Find a doctor for urinary symptoms Learn medically valid home remedies for urination Understand if frequent urination needs checking

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Explanation

Frequent urination at night, called nocturia, can be caused by some medications. Clozapine, which is used for mental health conditions, is one such medication. It can lead to increased nighttime urination. If you're experiencing symptoms like frequent nighttime urination along with other concerns, you can check your symptoms with Ubie's free AI-powered tool to better understand what might be causing them.

Another group of medications that can cause this problem are Selective Serotonin Reuptake Inhibitors (SSRIs). These are often used to treat depression and anxiety. Some people taking SSRIs may find themselves needing to urinate more often at night.

As people get older, they might also experience more frequent urination due to changes in their bodies or because of other medications they are taking. It is important to talk to a healthcare provider if you notice changes in your urination pattern, especially if it is affecting your sleep or daily life. They can help determine if a medication is causing the issue and discuss possible solutions.

(References)

Kallas HE, Chintanadilok J, Maruenda J, Donahue JL, & Lowenthal DT. (1999). Treatment of nocturia in the elderly. Drugs & aging, 10641954.
Tanzer T, Warren N, McMahon L, Barras M, Kisely S, Brooks E, et al. (2022). Treatment strategies for clozapine-induced nocturnal .... CNS spectrums, 35086595.
Movig KL, Leufkens HG, Belitser SV, Lenderink AW, & Egberts AC. (2002). Selective serotonin reuptake inhibitor-induced urinary .... Pharmacoepidemiology and drug safety, 12138594.

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