Clean, convenient and the perfect location for all that they sell. This does not mean that the FDA will allow individuals to import medications from Mexico at will. Beyond that amount, you will need a prescription from a licensed U. In addition, some prescription medications in the U. They are definitely the best Farmacia I have ever worked with and I will now only work with them. Customs officials will generally want a letter from the individual patient stating that the drug from a Mexican pharmacy is intended for personal use to treat a serious medical condition.5 years ago. Save. I will not say for certain, but for the most part the only things requiring a prescription are antibiotics. And even then, for a price you can often get them. I . Save. Oddly enough you don’t necessarily need a prescription to pick up your meds in Mexico. In Cozumel recently I noticed a number of places where you could purchase a . Sildenafil Prices, Coupons and Patient Assistance Programs. Sildenafil is a member of the agents for pulmonary hypertension drug class and is commonly used for Erectile .