What are the most common side effects? March 19, 2025 11:53 Updated Headache Flushing Rash Cyanopsia (blue-tinted vision) Mild blurred vision Indigestion Irritation of the skin within the mouth and under the tongue Nasal Congestion Nausea Back Pain Muscle pain (myalgia) Dizziness Drowsiness Related articles How long do the effects of Rugiet Ready last? What is Rugiet Ready's mechanism of action? What symptoms are serious enough where I should seek medical attention immediately? If Viagra® and Cialis® didn’t work for me, will Rugiet Ready? How does Rugiet Ready work?