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A member asked:
Can taking fastin (phentermine) cause severe headaches?
4 doctors weighed in across 2 answers
Yes: It's not common, but it happens, and it's probably not a good medicine for you. Most people have no problems with it, but some are very sensitive, and have spikes in blood pressure or other severe symptoms, and they shouldn't take it without discuss first with their doctor.
Answered 12/9/2014
6.3k views
Thank
Yes: Fasting would cause hypoglycemia which in turn would commonly cause severe headaches.
Answered 9/28/2016
5.5k views
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