If you mean “Which Sildisoft tablet is used for erectile dysfunction?”: Sildisoft 100 mg is commonly marketed as containing sildenafil citrate 100 mg, a PDE5 inhibitor used for ED. Sildenafil helps erections by increasing penile blood flow when sexual stimulation occurs. It does not cause an  Sildisoft Tablets erection. Common side effects can include headache, flushing, indigestion, nasal congestion, and dizziness. Do not use sildenafil with nitrate medicines because the combination can cause a dangerous drop in blood pressure. Because Sildisoft formulations can vary by market, check the active ingredient and strength printed on your specific pack before using it.