Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• More common
  • Trouble in sleeping 
  
  

• Less common
  • Cough;  dizziness;  irregular heartbeat;  nervousness;  sore throat 
  
  

• Incidence not known
  • Difficult or labored breathing;  difficulty swallowing;  dizziness;  fast heartbeat;  feeling of warmth;  fever;  hives or welts;  itching skin;  itching, puffiness or swelling of the eyelids or around the eyes, face, lips or tongue;  large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs;  reddening of the skin, especially around ears;  redness of the face, neck, arms and occasionally, upper chest;  shortness of breath;  skin rash;  tightness in chest;  swelling of eyes, face, or inside of nose;  unusual tiredness or weakness;  wheezing 
  
  

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

• More common
  • Headache;  nausea 
  
  

• Less common
  • Abdominal or stomach pain;  agitation ;  anxiety;  back pain;  dry mouth;  heartburn 
  
  

• Incidence not known
  • Terrifying dreams causing sleep disturbances 
  
  

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.