Medical & Legal Disclaimer

1. Not Medical Advice

The information contained on this website — including all content regarding pharmacological compounds, drug mechanisms, clinical trial data, pharmacokinetic parameters, adverse effects, and drug interactions — is provided purely for educational and academic purposes. It does not constitute, and must not be interpreted as, medical advice, clinical guidance, therapeutic recommendations, or a substitute for the professional judgment of a licensed and qualified healthcare provider.

No content on this website should be used as a basis for making medical decisions, including but not limited to: initiating, modifying, or discontinuing any pharmaceutical treatment; self-diagnosing any medical condition; or substituting for a consultation with a licensed physician, pharmacist, or other qualified healthcare professional.

2. No Physician–Patient Relationship

Use of this website does not create a physician–patient relationship, a pharmacist–patient relationship, or any other professional healthcare relationship between the Pharmacological Sciences Research Institute and any user of this website. The institute's personnel are not providing individual medical advice or recommendations. Any questions about your personal health, medications, or medical conditions should be directed exclusively to your personal physician or other licensed healthcare provider who has knowledge of your specific medical history.

3. No Sale, Promotion, or Endorsement of Pharmaceutical Products

This website does not sell, distribute, promote, advertise, or facilitate access to any pharmaceutical product, prescription drug, or controlled substance. There are no purchase links, affiliate marketing relationships, vendor referrals, or commercial connections to any pharmaceutical manufacturer, online pharmacy, or medication supplier on this website.

Any pharmaceutical products discussed on this website — including Viagra® (sildenafil citrate), Cialis® (tadalafil), Levitra® (vardenafil), and various generic preparations — are discussed purely in the context of their scientific and pharmacological properties for academic study. The mention of trade names, manufacturers, or products does not constitute an endorsement, recommendation, or commercial relationship.

All prescription medications, including the PDE5 inhibitors discussed on this website, require a valid prescription from a licensed physician in the United States and most jurisdictions worldwide. Obtaining prescription medications without a valid prescription is illegal and potentially dangerous.

4. Accuracy, Currency, and Completeness of Information

While the Pharmacological Sciences Research Institute endeavors to provide accurate, current, and complete information drawn from primary scientific literature and FDA regulatory documents, we make no representations or warranties — express or implied — regarding the accuracy, completeness, currency, suitability, or fitness for any particular purpose of any information on this website.

Pharmacological science evolves continuously. New clinical trial data, regulatory agency updates, drug safety communications, and scientific findings may alter the understanding of any drug's properties, safety profile, or clinical use after the publication date of any content on this website. Users are responsible for verifying the currency and applicability of any information obtained from this website against current authoritative sources including, but not limited to, current FDA prescribing information, peer-reviewed primary literature, and the guidance of qualified healthcare professionals.

5. Strictly Academic and Educational Purpose

The Pharmacological Sciences Research Institute is an independent academic organization. The content of this website is intended for:

• Pharmacology students and educators seeking comprehensive reference material
• Medical and healthcare professionals seeking background pharmacological information
• Researchers requiring a synthesized overview of the published literature
• Journalists and science communicators requiring scientifically accurate information
• Members of the general public with a scientific interest in pharmacology, who understand and accept that this information does not constitute personal medical guidance

This website is not designed for, and should not be used by, individuals seeking to self-diagnose medical conditions, self-prescribe medications, or make treatment decisions without qualified medical supervision.

6. Medical Emergency Notice

7. Drug Interaction Warning

The academic drug interaction information presented on this website, while based on published regulatory and clinical information, is illustrative and non-exhaustive. Drug interactions can be highly individualized, dependent on specific patient factors including renal and hepatic function, age, concomitant medications, and genetic pharmacokinetic variability.

A licensed pharmacist or physician should be the sole authority advising any individual on drug interactions for their specific circumstances. The absolute contraindication between PDE5 inhibitors and organic nitrates discussed on this website is presented for academic purposes and reflects established pharmacological fact, but this information cannot substitute for individualized clinical assessment.

8. Limitation of Liability

To the fullest extent permitted by applicable law, the Pharmacological Sciences Research Institute, its contributors, editors, and affiliated researchers disclaim all liability for any direct, indirect, incidental, consequential, or punitive damages arising from your use of, reliance upon, or inability to use any content on this website. This includes any health-related decisions made based on information obtained from this website. By using this website, you expressly acknowledge and agree to these limitations.

9. Intellectual Property and Attribution

All original content on this website is the property of the Pharmacological Sciences Research Institute and is protected by applicable intellectual property laws. Factual pharmacological data cited from FDA prescribing information and published scientific literature is attributed in accordance with academic standards. Trade names (Viagra®, Cialis®, Levitra®, Kamagra®, Cenforce®) are the property of their respective registrants and are used herein solely for the purpose of identification and academic discussion, without commercial intent and without implication of any affiliation with or endorsement by those trademark holders.

10. Governing Jurisdiction

This website is operated from the United States and is intended for users located in the United States. The content has been prepared with reference to US regulatory frameworks (primarily FDA regulations and guidance documents) and US clinical practice standards. Users accessing this website from outside the United States are responsible for ensuring that such access and use complies with the laws and regulations of their respective jurisdictions. Drug approval status, prescribing practices, regulatory classifications, and legal status of pharmaceutical compounds described on this website may differ in other countries.