Bleeding disorders, history of or Stomach ulcer, or history of or—Chance of problems occurring may be increased. If you experience a prolonged or painful erection for 4 hours or more, contact your doctor immediately. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco. Lastly, the pharmacy must have cold storage for medications that require a temperature below zero. There were highly statistically significant improvements on the two principal IIEF questions frequency of successful penetration during sexual activity and maintenance of erections after penetration on VIAGRA compared to placebo. The mean times adjusted for baseline to onset of limiting angina were Save. Asthma inhalers are sold at every pharmacy in Costa Rica. Very common. They run about $ It may not be the same “brand” that he is used to, but it will work. Also, it . Viagra (sildenafil) is a prescription drug that’s used to treat erectile dysfunction (ED). The drug comes as a tablet you’ll take by swallowing. It’s usually taken as needed about 1 hour. For these reason, the Costa Rican culture tends to self medicate and overuse pharmaceutical drugs. For example, at a farmacia and without a prescription you can get .