Qsymia Warnings and Precautions
Before starting treatment with Qsymia, let your healthcare provider know if you have high blood pressure, a mental health condition, or other medical conditions before starting this medication. This medication is not suitable for everyone, and it has the potential to cause serious complications, including suicidal thoughts and behaviors. Warnings and precautions for Qsymia also extend to women who are pregnant or nursing.
You should talk with your healthcare provider prior to taking Qsymia® (phentermine and topiramate) if you have:
- Kidney disease, such as kidney failure (renal failure)
- Liver disease, such as hepatitis, cirrhosis, or liver failure
- Kidney stones
- A fast heart rate (tachycardia)
- High blood pressure (hypertension)
- Had a heart attack or stroke
- An abnormal heart rhythm (arrhythmia)
- Heart problems, such as heart failure
- Ever had thoughts of suicide or attempted to harm yourself
- A mental health condition, such as depression or anxiety
- Glaucoma (an eye condition)
- A seizure disorder
- Been told you have low blood potassium levels (hypokalemia)
- Hyperthyroidism (an overactive thyroid)
- Ever had a condition known as metabolic acidosis (when there is too much acid in the blood)
- Chronic (ongoing) diarrhea
- Plans for an upcoming surgery
- Severe lung disease or breathing problems
- Weak bones, such as osteoporosis or osteopenia
- A history of drug abuse or dependence
- Any allergies, including to foods, dyes, or preservatives.
Also, let your healthcare provider know if you:
- Follow a ketogenic diet (a diet high in fats and low in carbohydrates)
- Are pregnant or thinking of becoming pregnant (see Qsymia and Pregnancy)
- Are breastfeeding (see Qsymia and Breastfeeding).
Make sure to tell your healthcare provider about all other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.