Usually the doctor will start you off with a 10mg dose. This dose can be adjusted based on individual response and tolerance, with a maximum recommended dose of 20mg per day.
Several studies have compared different dosages of tadalafil for ED treatment. One study found that a daily dose of 5mg tadalafil was effective in improving ED in men with both diabetes and ED. [popover id=ref2]
Another study found that a higher dose of 20mg tadalafil was more effective than a lower dose of 10mg in men with severe ED. However, it's important to note that individual responses to Ciafill can vary, and a doctor should determine the appropriate dosage for each individual.