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- Pharmacist-written guides
Guides, reviews
& medical advice
Every article reviewed by Dr. James Mitchell, PharmD. Honest
, evidence-based information about sildenafil, Cenforce, and
erectile dysfunction.
, evidence-based information about sildenafil, Cenforce, and
erectile dysfunction.
How long does sildenafil last? Duration, factors & what to expect
Everything you need to know about sildenafil’s duration — how long different doses last, what factors affect timing, and when to take it for best results.
Dr. James Mitchell, PharmD 6 min read May 2025
Cenforce 100mg review: clinical efficacy, safety & honest verdict
A detailed clinical review of Cenforce 100mg — comparing it to Viagra, examining the evidence, and what real patients experience.
Dr. James Mitchell, PharmD 8 min read Apr 2025
Sildenafil vs Tadalafil: which ED medication should you choose?
A comprehensive comparison of the two most prescribed ED medications — onset, duration, side effects, cost, food interactions, and lifestyle fit.
Sildenafil and alcohol: how much is safe, and what to expect
Can you drink alcohol while taking sildenafil? What the evidence says about how alcohol affects onset time, effectiveness, and side effects.
Can you take sildenafil every day? Daily use guide
Is it safe to take sildenafil daily? What’s the difference between on-demand and daily dosing? This guide answers every question.
Cenforce 100mg vs 200mg: when do you need a higher dose?
The clinical difference between 100mg and 200mg — when to consider stepping up, what the evidence says, and who benefits from the higher strength.
Ask our pharmacist
Dr. Mitchell reviews patient questions personally. Get expert advice on sildenafil and ED treatment.