The Food and Drug Administration approved it for moderate to severe pain treatment. The inactive Ingredients of this medicine are Calcium Sulfate, Dibasic Calcium Phosphate, Starch, Stearic Acid, and Talc. Meperidine hydrochloride is the active ingredient.

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Demerol is an oral and injectable opioid used for treatment of moderate to severe pain, Demerol drug. It works in the brain to change how your body feels and responds. It gives instant relief and is also one of the best medicines recommended by the doctors.The Food and Drug Administration approved it for moderate to severe pain treatment. The inactive Ingredients of this medicine are Calcium Sulfate, Dibasic Calcium Phosphate, Starch, Stearic Acid, and Talc. Meperidine hydrochloride is the active ingredient.