Before taking tadalafil, tell your doctor and pharmacist if you are allergic to tadalafil, any other medications, or any of the ingredients in tadalafil tablets. Further, it allows more blood to flow and increases the cGMP hormone secretion. You can take it orally. The following information includes only the average doses of this medicine. Soon, in , ICOS received a patent for compound IC structurally unlike sildenafil and vardenafil , and Phase 1 clinical trials began in If you buy through links on this page, we may earn a small commission. your tadalafil dosage will be 5 mg once daily for up to 26 weeks. Child dosage (ages 0–17 years) 40 mg (taken as. Vidalista 40 mg. Rated out of 5 based on 3 customer ratings. (3 customer reviews) $ – $ Vidalista 40 mg is a generic variant of Cialis. Vidalista 40 mg is taken by men to treat male erectile dysfunction. Vidalista contains Tadalafil in the strength of 40 mg. Pills. Tadalafil – STADA T20 – 20 Milligramm. Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. It is taken by mouth. Onset is typically within half an hour and the duration is up to 36 hours. Common side effects include headache, muscle pain, .