What should we expect? Smoking in Costa Rica. Antibiotics, narcotics, or psychotropic drugs are VERY closely controlled and you will need a prescription, but you can obtain birth control, Viagra, and even injections right over the counter without one. What can we do? What are the laws? Local Pharmacists are registered and qualified through the Colegio de Farmaceticos and are trained to know the difference between an ‘ailment’ and a serious medical condition that requires a certified doctor’s attention. Why shouldn’t I feed the monkeys and other wildlife?Many medications that require a prescription in the United States can be bought over-the-counter in Costa Rica. Blood pressure medicine, sleeping pills, antidepressants, and birth control pills can all be obtained without a prescription. Generally speaking, only antibiotics, opiates or psychotropic drugs will need to be prescribed by a . I just bought Raven Cialis today. 3 boxes of 3 pills each with a 10% discount was c12,that is about c or about $ a pill. I have tried the other brand and did not find it to . Many medications that require a prescription in the United States can be bought over-the-counter in Costa Rica. Blood pressure medicine, sleeping pills, antidepressants, and .