Side Effects of Lamivudine (Cont.)

Common Side Effects of Lamivudine

Lamivudine has been studied thoroughly in clinical trials. In these studies, the side effects that occur in a group of people taking the drug are documented and are then compared to side effects that occur in another group of people not taking the medicine. This way, it is possible to see what side effects occur, how often they appear, and how they compare to the group not taking the medicine.
 
In these studies, the most common side effects of lamivudine included:
 
  • Ear, nose, or throat infections -- in up to 25 percent of people
  • Fatigue and a general ill feeling (malaise) -- up to 24 percent
  • Headaches -- up to 21 percent
  • Abdominal pain (stomach pain) -- up to 16 percent
  • Nausea and vomiting -- up to 15 percent.
     
Other common lamivudine side effects, occurring in 5 to 14 percent of people, included:
 
  • Fever or chills
  • Sore throat
  • Diarrhea
  • Muscle pain
  • Joint pain.
     

Final Thoughts on Lamivudine Side Effects

It is possible that you may experience some or none of the lamivudine side effects listed in this article. Unfortunately, it can be difficult to tell whether any particular side effect (such as nausea) is actually caused by lamivudine or other factors. Therefore, make sure to let your healthcare provider know if you develop any side effects while taking lamivudine or if something "just does not seem right." While it may not be a side effect, your healthcare provider will be able to diagnose and treat the problem.
 

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;