Rimantadine

Nausea, Insomnia (difficulty in sleeping), Anxiety, Dizziness, Headache, Fatigue, Vomiting, Dryness in mouth, Abdominal pain, Decreased appetite, Diarrhea, Dyspepsia, Abnormality of voluntary movements, Sleepiness, Agitation, Depression, Rash, Ringing in ear, Breathlessness, Walking difficulties, Hyperkinesia, Tremors, Hallucination, Convulsion, Bronchospasm, High blood pressure, Cerebrovascular disease, Lower limb edema, Anemia (low number of red blood cells)