• Worsening of seizures

• Hallucinations

• Depression

• Anemia or other blood disorders

• Unusual bruising or bleeding

• Increased infections or infections that do not go away

• Water retention, swelling, or difficulty breathing, which can be signs of congestive heart failure (CHF)

• High blood pressure (hypertension) or low blood pressure (hypotension)

• An irregular heart rhythm (arrhythmia)

• Yellowing of the whites of the eyes or skin (jaundice), which may be a sign of liver damage, including liver failure or hepatitis

• Difficulty passing urine or a sudden, unexplained decrease in urine production (which can be a sign of kidney damage)

• Low sodium levels in the blood (hyponatremia), which may cause symptoms that include:

• Loss of appetite
• Nausea or vomiting
• Irritability
• Excessive tiredness
• Confusion
• Hallucinations
• Muscle weakness
• Muscle spasms or cramps

• Signs of an allergic reaction, including:

• An unexplained rash
• Hives
• Itching
• Unexplained swelling

 

• Suicidal thinking or behavior (see Seizure Medications and Suicide).