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Why are you not suppose to take phentermine if you have an underactive thyroid?

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27 Jan 2012

Hello conniehumphrey06. I'm not a doctor so I'll take a guess at your question. Since the Phentermine is a weight loss stimulant, and your thyroid is underactive, you might be losing to much weight to quickly as well as a possible drop in your blood pressure. You might ask your doctor or pharmacist to confirm, or get thier opinion. Good health and wishes to you,pledge

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