If you experience a prolonged erection for more than 4 hours or a painful erection for more than 6 hours, contact your doctor immediately. Ask your healthcare professional how you should dispose of any medicine you do not use. If you will be taking this medicine for pulmonary arterial hypertension, it is very important that your doctor check your progress at regular visits. Prolonged erections can be dangerous. Research has found that a majority of men with ED who used tadalafil at a 10mg dose were able to have penetrative sex with their partner.Domestic source for Cialis and Viagra? Hey fellas, I’m running low on sildenafil and tadalafil. I prefer not to order international because (for whatever reason) US Customs has been cracking down on dick pills like tadalafil and sildenafil. I’ve had one of my packages seized and my cousin had his packages seized as well. 1 day ago · In addition to Viagra, REX MD also offers brand-name Cialis and generic Cialis (tadalafil). Both Viagra and sildenafil are available in mg, mg, and mg doses. US gains is pretty good. is african currency but if you pay credit card you pay in dollars and it converts it to african currency in the portal but your card is charged in dollars. If you were referring to they are not a scam! And drunkenmasta’s response has all the best sources listed, so listen to his comment.