How to Use Meridia This Medicine: Follow the directions for using this medicine provided by your doctor. Take this medicine in the morning unless otherwise directed by your doctor. This medicine may be taken on an empty stomach or with food. STORE THIS MEDICINE at room temperature between 59 and 86 degrees F (15 and 30 degrees C) in a tightly-closed container, away from heat, moisture, and light. IF YOU MISS A DOSE OF THIS MEDICINE, skip the missed dose and go back to your regular dosing schedule. Do NOT take 2 doses at once.
Most side effects associated with MERIDIA are mild and transient in nature, including dry mouth, headache, constipation, and insomnia. You cannot take MERIDIA if you are taking prescription medicines called monoamine oxidase inhibitors (MAOIs), which are sometimes used to treat depression or Parkinson's disease. Be sure to inform your doctor of all medications you are taking before starting a Meridia prescription. MERIDIA should not be taken if you are taking other weight-loss medications. This includes prescriptions and over-the-counter medications, as well as herbal products. MERIDIA should not be used by pregnant women or nursing mothers.

