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    Promethazine Uses, Dosage & Side Effects - Drugs.com

    • Promethazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain. Promethazine also acts as an antihistamine. It blocks t… 展开

    Warnings

    Stop using promethazine and call your doctor at once if you have twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs. These could be early si… 展开

    Drugs.com
    Before Taking This Medicine

    Promethazine should not be given to a child younger than 2 years old. Promethazine can cause severe breathing problems or death in very young children. Carefully follow your docto… 展开

    Drugs.com
    How Should I Take Promethazine?

    Take promethazine exactly as prescribed by your doctor. Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the … 展开

    Drugs.com
     
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