Silditop 100 (Sildenafil 100 mg) is a prescription-only medicine in India and most countries. Legally, it cannot be bought by just anyone over the counter without a valid doctor’s prescription. Who can legally buy Silditop 100? 1. Adult men (18+ years) with a valid prescription Silditop 100 is mainly prescribed for erectile dysfunction (ED). Only men diagnosed by a registered medical practitioner (MBBS or equivalent doctor) can legally purchase it. The doctor may prescribe it after checking: Heart health Blood pressure Diabetes or other medical conditions Current medications (especially nitrates) 2. Patients using it for pulmonary hypertension (rare use) Sildenafil is sometimes prescribed for pulmonary arterial hypertension (PAH) under strict medical supervision. In this case, it may be prescribed to both men and women, but still only with a prescription. 3. Purchases from licensed pharmacies Even with a prescription, it must be bought from a licensed pharmacy (offline or online) that follows drug regulations. Who CANNOT legally buy it? People without a doctor’s prescription Minors (under 18) Anyone trying to buy it from unauthorized sellers or informal sources Important legal point In India, sildenafil tablets like Silditop 100 are classified as “prescription drugs” under the Drugs and Cosmetics Act, 1940. This means: Selling without prescription is illegal for pharmacies Buying without prescription is also considered illegal or unauthorized Safety reason behind the law Doctors control access because sildenafil can be dangerous if used incorrectly, especially with: Heart disease Low blood pressure Nitrate medicines (can cause life-threatening BP drop) Simple summary Only a licensed doctor-prescribed adult patient can legally buy Silditop 100, and only from a registered pharmacy. Everyone else is not legally allowed to purchase it. If you want, I can also explain how to get a prescription safely or what safer alternatives exist.