Dosage is one of the most important aspects of any medication so check the dosage first and then Buy Filitra 40 mg online. A slight mistake and the drug can turn in any way. To make the drug act against the disorder you need to consume it in appropriate dosages. And the appropriate dosage is only known to the doctor. Therefore, always refer to the prescription if you are confused about dosage. In case you want to modify the existing dosage, consult the doctor. Do not take such decisions on your own. Dosage is a delicate and sensitive parameter that is assigned after looking at various personal characteristics of the patient like immunity system, allergies, infections, inherited disorders