What is the maximum daily dose of buspirone (anxiolytic medication)?

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Last updated: May 8, 2025View editorial policy

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From the Guidelines

The maximum daily dose of buspirone is 60 mg per day, with a typical dosing regimen of 20 mg three times daily. According to the guidelines for managing behavior and mood disorders 1, the initial dosage of buspirone is 5 mg twice daily, with a maximum dosage of 20 mg three times daily. This suggests that the maximum daily dose is 60 mg, which is usually divided into multiple doses to manage anxiety symptoms. It's essential to note that buspirone may take 2 to 4 weeks to become effective, as stated in the guidelines 1.

Some key points to consider when prescribing buspirone include:

  • Starting with a lower dose, often 5 mg taken twice daily, and gradually increasing as needed and tolerated
  • Taking buspirone consistently and at evenly spaced intervals throughout the day for optimal effect
  • Being aware of potential side effects, such as dizziness, headache, nausea, and nervousness
  • Informing patients not to abruptly stop taking buspirone without consulting their healthcare provider, and to disclose all other medications they're taking to avoid potential interactions.

It's crucial to follow the guidelines and recommendations for buspirone dosing to ensure safe and effective treatment of anxiety symptoms, as outlined in the study 1.

From the Research

Buspirone Daily Dose

  • The maximum daily dose of buspirone is not explicitly stated in the provided studies 2, 3, 4, 5, 6.
  • However, one study mentions that patients were assigned to adjunctive treatment with either buspirone, 10 to 30 mg b.i.d. (twice a day), or placebo for 6 weeks 4.
  • This suggests that the daily dose of buspirone can range from 20 to 60 mg, but the maximum daily dose is not specified.

Buspirone Usage

  • Buspirone is mentioned as a potential third-line agent for the treatment of panic disorder 3.
  • It is also mentioned as a potential augmentation therapy for patients with severe depression who have not responded to selective serotonin reuptake inhibitors (SSRIs) 4.
  • However, there is limited evidence to support the use of buspirone for these conditions, and more research is needed to fully understand its effectiveness and optimal dosage.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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