Some of the possible effects of Ristenza’s® patented formula include: nausea, gastro-intestinal disturbances, drowsiness, dizziness, constipation, headache, vomiting, pruritus/itchiness, agitation, diarrhea, dry mouth, sweating, skin flushing, dyspepsia, prolonged erection, nasal congestion, abnormal or blurred vision, abnormal hearing, decreased memory.
A rare but possible serious side effect of using Ristenza’s® formula is Serotonin Syndrome. This is a constellation of symptoms including fever, high blood pressure, and an irregular heartbeat. This can be life threatening. Men who experience any of the mentioned symptoms should discontinue the use of Ristenza’s® formula and advise their physician immediately.