Viagra Professional vs Xalatan: side-by-side comparison
Viagra Professional (Erectile Dysfunction (ED)) and Xalatan (Eye Care and Ophthalmic Treatments) 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 | Xalatan |
|---|---|---|
| Active ingredient | Sildenafil Citrate | Latanoprost |
| Manufacturer | Pfizer | Pfizer |
| Class | Erectile Dysfunction (ED) | Eye Care and Ophthalmic Treatments |
| Strengths | 100mg | 0.005% |
| Forms | sublingual tablet | ophthalmic solution |
What's the same
Viagra Professional and Xalatan 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 Xalatan belongs to Eye Care and Ophthalmic Treatments. 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. Xalatan: Latanoprost is a prodrug ester hydrolysed by corneal esterases to its active free acid, which selectively binds the prostaglandin F (FP) receptor.
When Viagra Professional is preferred
Viagra Professional is intended for adult men with erectile dysfunction.
When Xalatan is preferred
Xalatan is approved in adults and children for the reduction of elevated intraocular pressure in patients with chronic open-angle glaucoma or ocular hypertension.
Frequently asked questions
Is Viagra Professional or Xalatan better? ▾
Viagra Professional and Xalatan 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 Xalatan? ▾
Switching between Viagra Professional and Xalatan 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 Xalatan 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.