Viagra Professional vs Prilosec: side-by-side comparison
Viagra Professional (Erectile Dysfunction (ED)) and Prilosec (Gastrointestinal Medications) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Viagra Professional | Prilosec |
|---|---|---|
| Active ingredient | Sildenafil Citrate | Omeprazole |
| Manufacturer | Pfizer | AstraZeneca / P&G |
| Class | Erectile Dysfunction (ED) | Gastrointestinal Medications |
| Strengths | 100mg | 10mg, 20mg, 40mg |
| Forms | sublingual tablet | delayed-release capsule, delayed-release tablet, oral suspension |
What's the same
Viagra Professional and Prilosec are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Viagra Professional belongs to Erectile Dysfunction (ED) while Prilosec belongs to Gastrointestinal Medications. Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Viagra Professional: Sildenafil citrate inhibits PDE5, allowing the cyclic GMP produced during sexual arousal to accumulate in penile tissue, which relaxes the smooth muscle of the penile arteries and increases blood inflow. Prilosec: Omeprazole is a substituted benzimidazole prodrug activated in the acidic environment of the gastric parietal cell, where it irreversibly inhibits the H+/K+-ATPase enzyme — the proton pump responsible for the final step…
When Viagra Professional is preferred
Viagra Professional is intended for adult men with erectile dysfunction.
When Prilosec is preferred
Prilosec is approved in adults and children for the treatment of gastro-oesophageal reflux disease, including erosive oesophagitis healing, peptic ulcer disease, prevention of NSAID-induced ulcers, Zollinger-Ellison syndrome and as part of triple-therapy regimens for Helicobacter…
Frequently asked questions
Is Viagra Professional or Prilosec better? ▾
Viagra Professional and Prilosec are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Viagra Professional to Prilosec? ▾
Switching between Viagra Professional and Prilosec is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Viagra Professional and Prilosec have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Viagra Professional comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.