The most common side effects with PritorPlus (seen in between 1 and 10 patients in 100) are bronchitis (inflammation of the lungs), pharyngitis (sore throat), sinusitis (inflammation of the sinuses, air-filled passageways in the bones around the nose and eyes), upper respiratory tract infections (colds), urinary tract infections (infections of the structures that carry urine), hypercholesterolaemia (high blood cholesterol levels), hypokalaemia (low blood potassium levels), anxiety, dizziness, vertigo (a spinning sensation), abdominal (tummy) pain, diarrhoea, dyspepsia (heartburn), gastritis (inflammation of the stomach lining), eczema (itchy, scaly skin), arthralgia (joint pain), osteoarthritis (swelling and pain in the joints), muscle spasms, pain in the extremities (arms and legs), myalgia (muscle pain), erectile dysfunction (inability to get or keep an erection), flu-like illness and pain.