Filitra 20 mg (vardenafil 20 mg, used for erectile dysfunction), it is generally a prescription-only medicine and should be prescribed after a medical consultation. For an online prescription, you can use a licensed telemedicine service in your country where a registered doctor can review your health history and, if appropriate, issue a prescription. Common options in India include online doctor-consultation platforms and licensed online pharmacies that provide prescription fulfilment after verification. For example, some online pharmacies require a valid doctor’s prescription before dispensing prescription medicines. Before taking vardenafil, a doctor should check for issues such as: heart disease or recent heart attack/stroke use of nitrate medicines (a potentially dangerous interaction) blood pressure problems other medicines that may interact .