Malegra 100 mg is an oral medication containing the active ingredient Sildenafil Citrate 100 mg, manufactured by Sunrise Remedies Pvt Ltd in It belongs to the class of drugs known as phosphodiesterase‑5 (PDE5) inhibitors and is primarily indicated for adult men with erectile dysfunction (ED) — that is, the inability to achieve or maintain a penile erection sufficient for satisfactory sexual performance. Malegra 100 mg way it works is that, during sexual stimulation, nitric oxide is released in the penile tissue and activates guanylate cyclase, increasing levels of cyclic guanosine monophosphate (cGMP), which causes smooth muscle relaxation and increased blood flow into the corpus cavernosum. Sildenafil in Malegra blocks the PDE5 enzyme which normally breaks down cGMP, thereby facilitating better erection when