Cenforce 100 mg and Viagra 100 mg can have very similar effects because both contain the same active ingredient: sildenafil citrate. How Cenforce 100 mg works Cenforce 100 (Ценфорс) Силденафіл (Sildenafil) 100 мг — Купити блістер Cenforce 100 mg Active ingredient: Sildenafil citrate 100 mg. Purpose: Helps men achieve and maintain an erection. How it works: Improves blood flow to the penis during sexual stimulation. Typical timing: Starts working in about 30–60 minutes and may help for around 4 hours. Why the effects Cenforce 100 mg Viagra Same mechanism: Both contain sildenafil, which inhibits the PDE5 enzyme. Same dose: If both contain 100 mg of sildenafil, their expected effects are broadly similar. Similar side effects: Headache, facial flushing, indigestion, nasal congestion and dizziness can occur with either. Product quality may differ: Similar ingredients do not guarantee identical manufacturing quality, absorption or reliability. Is Cenforce 100 as good as Viagra 100? They may have similar effects if Cenforce is genuine and contains the stated amount of sildenafil. However, I can't guarantee that every product sold under either brand has equivalent quality or authenticity. Important: Do not take Cenforce together with Viagra or Fildena, since they may contain the same medicine. Combining them can cause a dangerous drop in blood pressure. One question Are you comparing Cenforce 100 mg with Fildena 100 mg, or with Viagra 100 mg? I can explain the differences between the specific products.