Common Side Effects

• These side effects are usually not considered to be cause for alarm, as they tend to subside as the body adapts to the introduction of Wellbutrin. However, if the side effects intensify or linger, medical attention might be necessary. Common side effects include dizziness, lightheadedness, dry mouth, drowsiness, constipation, changes in taste, difficulty sleeping, weight fluctuations, vomiting, restlessness, increased sweating, headache, nausea, anxiety, nervousness and loss of appetite.
  
  

Serious Side Effects

• There are also numerous serious side effects of Wellbutrin. In these cases, seek emergency medical assistance as soon as possible. Some potentially harmful side effects of Wellbutrin include extreme dizziness or headache, impulsiveness, aggressiveness, panic attacks, agitation, hostility, irritation, restlessness, extreme muscle or joint pain, severe nausea, stomachache, intensified depression, jaundice, severe anxiety, chest ache, disorientation, confusion, dark-colored urine, unconsciousness, delusions, irregular or rapid heartbeat, chills, sore throat, fever, shortness of breath, suicidal thoughts, abnormal swelling, tremors, changes in vision, hallucinations and problems with hearing.
  
  

Allergic Reactions

• Wellbutrin can also cause allergic reactions, and if this occurs it is crucial to get medical assistance as soon as possible. Some signs of allergic reaction to Wellbutrin include swelling of the tongue, mouth, lips and face; difficulty breathing; chest tightness; and skin rash, hives and itchiness.
  
  

Warnings

• Certain people are advised against taking this antidepressant, including those who have an eating disorder (such as bulimia or anorexia), people with epilepsy or other conditions that involve seizures, those using another type of bupropion (such as Zyban), and people who have suddenly ceased the use of sedatives or alcohol.
  
  

Overdose

• If an overdose is possible, seek immediate medical assistance. Some signs of Wellbutrin overdose are hallucinations, uneven or rapid heartbeat, fainting, stiffness of the muscles, convulsions and shallow breathing.