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BPH patients usually start on 5mg once a day, and individuals with pulmonary artery hypertension usually take 40mg once a day. For those likely to be sexually active twice or more a week, or who prefer to be spontaneous, a lower dose of 5mg once a day can be tried. It's then reduced to 2.5mg a day depending on individual response. It's important to note that Cialis should only be taken under medical supervision and that it's not approved for sexual dysfunction in women.
To take effect, sildenafil can be taken as long as 4 hours prior to sexual activity and as short as 30 to 60 minutes beforehand. The cost of generic sildenafil makes this stand out as an ED medication option