Drug Uses EVISTA is very useful in treating osteoporosis that sets in post menopause in women and it must be combined with a diet rich in calcium and external sources of Vitamin D. Usage Following the dosage instructions of your doctor is the best way to use any medication. If you are unsure or do not remember the instructions then you may read the medicine label for more detailed information. You may choose to take EVISTA with a meal to avoid an upset stomach or without one. Drug Class and Mechanism EVISTA falls under oral selective estrogen receptor modulator (SERM) and it must be combined with a diet rich in calcium and external sources of Vitamin D. Missed Dose Despite your best attempts at remembering, if you still miss out on a dose, then take it as soon as you remember about it. But keep in mind that you will have to adjust your next dose by spacing it out by 4 to 5 hours. If this is not possible, then the best thing to do would be to skip the missed dose and continue with your normal dosage schedule. Never try to compensate for the missed dose by taking a double dose together. It may cause adverse effects. Storage Store EVISTA at room temperature(read medicine label if unsure). Always keep it in a cool dark place that is not directly exposed to sources of heat or moisture and sunlight. Protect it from kids and pets. Overdose An overdose of EVISTA may have adverse effects that require immediate medical attention.