Vidalista 60 mg is also called orange pill availabe at Allgenericpills. Tadalafil is active substance in Vidalista. Tadalafil is a substance that is used by many males who have been told of being allergic to it. Those who suffer from allergies should consult doctors before taking Vidalista 20 medication. Vidalista 20 is a FDA approved medicine that is only able to be taken by ED women who are excited to have a the pleasures of sexual sex.