The FDA has published the Q3 of 2014 data for adverse events relating to Belviq. There were 301 reports during the quarter on about 144,000 scripts written. Adverse event data typically runs about 6 months behind.
The highest level of events for 1 person was 11. The average person had 2.1 adverse reactions. There were 156 different types of reactions reported. the most common reactions were:
- 57 Reports of Fatigue
- 54 Reports of Dizziness
- 45 Reports of Headache
- 36 Reports of the Drug Being Ineffective
- 21 Reports of Nausea
- 17 Reports of Weight Increasing
- 13 Reports of Dry Mouth
- 11 Reports of Constipation
- 11 Reports of Somnolence
- 10 Reports of Irritability
- 10 Reports of Chills
- 10 Reports of Back Pain
In Q2 of 2014 there were 170 Adverse Events reported. Competitor Qsymia had 241 adverse events reported. Contrave data is not yet available.
Disclosure: The author is long ARNA.
Additional disclosure: I have no position in Vivus