👉 Viagra, specifically the medication sildenafil, is primarily used to treat erectile dysfunction by increasing blood flow to the penis, but it can also have systemic effects that may influence the immune system. When taken, sildenafil can potentially interact with certain infections, particularly those caused by bacteria or viruses. For instance, individuals taking Viagra may experience increased susceptibility to urinary tract infections (UTIs) due to reduced urine flow, which can create an environment conducive to bacterial growth. Additionally, while there is no direct evidence linking Viagra to viral infections like herpes or HIV, the medication's impact on blood flow and immune function could theoretically affect how the body responds to these infections. It's crucial for individuals using Viagra to consult healthcare providers if they suspect an infection, as this can help manage potential side effects and ensure appropriate treatment.