Fildena Double 200 mg is not legally an over-the-counter medicine. It contains sildenafil, a prescription ED medicine, and prescription medicines under Schedule H are supposed to be sold only on a registered medical practitioner's prescription. C CDSCO +1 Also, 200 mg sildenafil is a high Fildena Double 200 mg usual maximum recommended dose for sildenafil for erectile dysfunction is generally 100 mg in 24 hours. Taking 200 mg without medical supervision can increase the risk of side effects such as low blood pressure, dizziness, headache, and vision changes. If a pharmacy offers Fildena Double 200 mg without asking for a prescription, that doesn't necessarily mean the sale is legally OTC. If you tell me your age and whether you're taking any heart/BP medicines (especially nitrates), I can explain whether sildenafil is safe for you.