Eriacta 100 mg is a medication primarily used to treat erectile dysfunction (ED). It contains sildenafil, which belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Nitrate medications, such as nitroglycerin, are commonly prescribed to treat certain heart conditions like angina. Combining Eriacta 100 mg with nitrate medications can lead to a dangerous drop in blood pressure, potentially causing dizziness, fainting, or even heart attack or stroke. This interaction occurs because both Eriacta 100mg and nitrate medications can cause vasodilation, or widening of blood vessels, leading to a synergistic effect on lowering blood pressure. It's crucial to inform your healthcare provider about all medications you are taking, including prescription, over-the-counter, and herbal supplements, to avoid potentially harmful interactions. If you are prescribed Eriacta or any other PDE5 inhibitor and are taking nitrate medications, your doctor will likely advise against using them together and may suggest alternative treatments for your ED. Always follow your healthcare provider's instructions and never combine medications without their approval.