Can Tadalafil (Cialis) show up on a drug test?

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Last updated: May 9, 2025View editorial policy

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From the Guidelines

Tadalafil is unlikely to show up on a standard drug test, as these tests are designed to detect illegal substances and commonly abused drugs, not prescription medications like tadalafil. According to the provided evidence, tadalafil is mentioned in the context of its interaction with nitrates, which is relevant for patients with cardiovascular conditions, but there is no direct information about its detectability in drug tests 1.

Key Points to Consider

  • Standard drug screenings typically detect substances like marijuana, cocaine, amphetamines, opioids, and benzodiazepines, not prescription medications like tadalafil.
  • Tadalafil belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors and is not included in standard drug panels.
  • Specialized or expanded drug tests could potentially detect tadalafil if they are specifically designed to look for it, though this is uncommon.
  • If concerned about drug testing, disclosing prescription medication to the testing facility beforehand can help, as legitimate prescribed medications are generally not grounds for test failure. Some important considerations when taking tadalafil include:
  • Informing healthcare providers about all medications, including tadalafil, especially when being treated for conditions like STEMI, as noted in the guideline update for the management of ST-segment elevation myocardial infarction 1.
  • Being aware of potential interactions, such as those with nitrates, which are crucial for managing certain cardiovascular conditions.

From the Research

Tadalafil and Drug Tests

  • There is no direct evidence in the provided studies that suggests Tadalafil can show up on a drug test 2, 3, 4, 5, 6.
  • The studies primarily focus on the efficacy and safety of Tadalafil in treating benign prostatic hyperplasia (BPH) and erectile dysfunction (ED) 2, 3, 4, 5, 6.
  • Tadalafil is a phosphodiesterase type-5 (PDE5) inhibitor, and its mechanism of action is well understood 3, 4, 5, 6.
  • However, none of the studies mention the likelihood of Tadalafil being detected in a drug test, which may be due to the fact that drug tests typically screen for substances of abuse, and Tadalafil is a prescription medication used to treat legitimate medical conditions 2, 3, 4, 5, 6.

Detection of Tadalafil in Drug Tests

  • Without specific information on the type of drug test being used, it is difficult to determine whether Tadalafil would be detected 2, 3, 4, 5, 6.
  • Standard drug tests may not include Tadalafil as a target substance, as it is not typically considered a substance of abuse 2, 3, 4, 5, 6.
  • However, specialized tests or those designed to detect PDE5 inhibitors may be able to identify Tadalafil 3, 4, 5, 6.

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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