[vandaair]

There is a problem with injectables, in that the drug used is very sensitive to temperature. If it's not kept cool, its efficiacy is greatly reduced, and therefore does not have the desired effect. Check out nasal sprays that can act almost immediately, unlike Viagra which may take 20 to 30 mins to act. Cialis is a take daily (once) medication that has a half life of 17.5 hours, but may last 24 - 30 hours.This may be more useful to men as its a take and forget drug that is there working for you when you need it most! NO GTNs (nitrates) with these meds however as this might provoke potentially life-threatening hypotension (low blood pressure)!!