Does Viagra and Cialis lose their effectiveness when used over time?!
Question:
Does Viagra and Cialis lose their effectiveness when used over time?
Answers:
Sildenafil citrate or similar drugs useful to give momentary erection often are also cure for healing some ED. It will be the doctor to put a diagnosis and propose the treatment, according to the subject condition. Anyway, between the intakes a pause of 24 hours is necessary, at least!