비아그라 구입 전에 알아야 할 사항

Sildenafil and tadalafil are alike given that they both of those can treat ED and PAH. Even so, tadalafil has some distinctions from sildenafil.Sildenafil together with other PDE5 inhibitors are employed off-label to ease vasospasm and deal with intense ischemia and ulcers in fingers and toes for those with secondary Raynaud's phenomenon;[nine][21]