Tadarise Black 80 mg to choose, I would not choose an 80 mg tadalafil dose for erectile dysfunction. Standard tadalafil dosing for ED is 5–20 mg, with 20 mg the usual maximum as-needed dose; daily treatment is generally 2.5–5 mg. D DailyMed +1 So, rather than choosing between different “strengths” of an 80 mg product: Occasional use: 10 mg is the usual starting dose; 20 mg may be used if needed and tolerated. Frequent/daily use: 2.5–5 mg daily is the usual regimen. 80 mg: don't take it for ED unless a physician has specifically prescribed that dose for a different medical indication. Tadalafil can remain effective for up to 36 hours, and taking more does not necessarily make the erection better or last longer—it mainly increases the risk of side effects such as headache, dizziness and low blood pressure. U UCL Hospitals If you have a Tadarise Black 80 mg package, send me a photo of the front and back. I can check what it actually contains, because products marketed under unusual “Black” strengths may not correspond to standard tadalafil dosing.