Serious Side Effects and When to Contact a Provider Serious side effects are uncommon, but medical guidance is important if you experience: Severe or persistent abdominal pain Ongoing vomiting Signs of dehydration such as confusion or minimal urination Symptoms of low blood sugar, including shakiness, sweating, or rapid heartbeat Prompt communication with your provider helps prevent complications
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appetite control, intense energy, stronger calorie-burning support, and aggressive cutting
Phentermine is FDA-approved only as a short-term adjunct (a few weeks) within a weight-reduction plan built on exercise, behavior change, and calorie restriction
Before assuming your dose is the problem, rule out dehydration, low protein intake, and unrealistic comparisons to others
Camilleri M, Atieh J (2021) New developments in prokinetic therapy for gastric motility disorders