Qsymia Side Effects

​Qsymia is a weight loss prescription drug that is made up of immediate-release Phentermine and extended-release Topiramate. Phentermine is an appetite suppressant which makes you eat less.

This helps you to take in fewer calories every day which helps you to lose weight. Topiramate is a seizure drug (anticonvulsant) that helps you to feel full also helping you to eat less. Qsymia is used in conjunction with a low calorie diet and exercise as a chronic weight management program for obese individuals.

​Depending on you body mass index (BMI), Qsymia is prescribed differently to be determined by your doctor. Generally, treatment starts with Qsymia (3.75 mg Phentermine and 23 mg Topiramate) daily for 14 days. Then the dose is increased to Qsymia 7.5 mg/46 mg once a day. Then, initial weight loss is determined 12 weeks (3 months) after the starting point.

Below is a list of possible Qsymia side effects and this is by no means a complete list so other symptoms are possible so keep that in mind.

Qsymia Side Effects

  • Allergic reactions – you may be allergic to the ingredients in Qsymia including dyes, fillers, binders and the drugs themselves. Symptoms include: rash (hives), difficulty breathing, swelling of the face, lips, tongue or throat. You need to get immediate medical help – emergency room.
  • Pregnancy – if you become pregnant while taking Qsymia, stop taking it and contact your doctor immediately. Qsymia can potentially harm your fetus. Birth defects such a cleft palate have been observed in trials
  • Heart complications – this drug can cause pounding heartbeats and/or a fluttering feeling in your chest.
  • Mood changes – it can cause depression and/or thoughts of suicide.
  • Brain dysfunction – lack of focus, concentration and attention. Problems with finding the right words for speech, confused thinking.
  • Visual disturbances – eye pain, seeing halos around light sources, blurred vision.
  • Low blood sugar – as an appetite suppressor you eat less and have fewer nutrients and sugar for your body to work with. This can cause hunger, weakness, headache, sweating, confusion, irritability, dizziness and/or fast heart rate.
  • Kidney/bladder problems – red or pink urine and possibly severe lower back pain. Very thirsty or hot, unable to urinate, sweating or hot and dry skin.
  • Potassium loss – low levels of potassium may occur causing confusion, uneven heart rate, extreme thirst, increased urination, muscle weakness or leg discomfort.
  • High blood pressure – causing severe headache, blurred vision, buzzing in your ears, chest pain, confusion, shortness of breath and possible seizure.
  • Mouth issues – altered sense of taste, unpleasant taste in your mouth and/or dry mouth.
  • Digestive issues – constipation due to dehydration. Make sure to keep well hydrated by drinking a lot of water. Hot or cold tea is good as well but don’t add sugar to it.
  • Sleep disturbances – insomnia, sleepiness during the day.

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