Silditop 100 mg is a prescription medicine, so it should be prescribed by a qualified medical doctor. Who can prescribe Silditop 100 mg? It is usually prescribed by: General physicians (MBBS doctors) Urologists (specialists in urinary and male reproductive health) Andrologists / Sexologists (male ***** health specialists) Cardiologists (if ED is linked with heart or blood vessel conditions) Why a prescription is needed Silditop 100 mg contains Sildenafil, which affects blood pressure and blood flow. A doctor needs to check: Heart health (to avoid risk with chest pain medicines like nitrates) Blood pressure levels Diabetes or hormonal problems Other medicines you may be taking Important point Even though it is commonly available in pharmacies, it should not be taken without medical advice, because the wrong dose or unsafe use can cause side effects like low blood pressure, headache, dizziness, or heart-related complications.