The difference between sildenafil citrate and tadalafil is mainly in the indications, methods of use and pharmacokinetics.
Sildenafil and tadalafil are both phosphodiesterase type 5 inhibitors, and in terms of indications they are mainly used for the treatment of erectile dysfunction in men, but tadalafil can also be used for the treatment of erectile dysfunction combined with the signs and symptoms of benign prostatic hyperplasia.
In terms of usage, sildenafil is recommended to be taken on an as-needed basis, whereas tadalafil can not only be used on an as-needed basis, but can also be used on a daily basis at low doses for long periods of time, which can lead to sustained improvement. In terms of pharmacokinetics, sildenafil’s effect lasts for about 8 hours, while tadalafil’s effect lasts for about 36 hours.
Both have similar adverse reactions and contraindications, common adverse reactions include dizziness, headache, flushing, dyspepsia, nausea, visual abnormalities, etc. Allergy to this drug is prohibited, and it can not be combined with nitrate.
It is recommended that under the guidance of a physician to choose the appropriate medication according to the situation, not blindly use their own medication.