Be cautious with P Force Fort when you have eye or imaginative and prescient troubles, such as an extraordinary inherited eye sickness referred to as retinitis pigmentosa, coronary heart sickness, angina, excessive or low blood pressure, a records of coronary heart attack, or different coronary heart troubles, kidney sickness, liver sickness, stroke, an uncommon or hypersensitivity to sildenafil, different drug treatments, meals, dyes, or preservatives.