Fildena 100 mg is a sildenafil-based medication used to treat erectile dysfunction (ED) in men. Its active ingredient, sildenafil citrate, belongs to a group of medicines called phosphodiesterase type 5 (PDE5) inhibitors. These medications work by supporting the natural processes involved in achieving and maintaining an erection.
The science behind Fildena 100 mg focuses on blood circulation and smooth muscle relaxation. During sexual stimulation, the body releases nitric oxide, which increases cyclic guanosine monophosphate (cGMP) levels. Sildenafil helps prevent the breakdown of cGMP by blocking the PDE5 enzyme, allowing blood vessels in the penis to relax and improving blood flow. However, sexual stimulation is still necessary for the medication to work.
Fildena 100 mg generally begins working within 30–60 minutes, although its onset can vary depending on food intake, metabolism, and individual health conditions. Its effects may last approximately four hours, but this does not mean an erection continues throughout that period.
**Safety Considerations:** Fildena 100 mg is a high-strength sildenafil formulation and is not suitable for everyone. Possible side effects include headaches, flushing, dizziness, and nasal congestion. It must not be combined with nitrate medications or riociguat because of the risk of dangerously low blood pressure.
**Final Thoughts:** Understanding the science behind Fildena 100 mg helps patients make informed decisions about erectile dysfunction treatment. Always consult a qualified healthcare professional before using sildenafil to determine the appropriate dosage and ensure safe use.