Flunarizine side effects include drowsiness, fatigue, abdominal pain, increased appetite, and headache. Different people experience different side effects and there is no way to tell which is the greatest. Flunarizine is used clinically for the treatment of diseases such as insufficient blood supply to the brain. Side effects of Flunarizine include drowsiness, fatigue, depression, etc. in the mental system; gastrointestinal disorders such as abdominal pain, diarrhea, nausea, increased appetite, etc.; neurological problems such as bradykinesia, ankylosis, inability to sit still, orofacial dyskinesia and tremor, etc.; and discomfort such as dizziness and headache. Contraindications for Flunarizine include people with a history of allergy to any of the ingredients of this product, patients with a history of depression, patients with Parkinson’s disease or other extrapyramidal disorders, patients with acute cerebral hemorrhagic disease and the acute stage of cerebral infarction, and pregnant and breastfeeding women. It is recommended that patients use the drug under the guidance of a doctor and read the instructions before taking the drug to have a certain understanding of the drug. If any discomfort occurs in the course of taking the medicine, please consult a doctor promptly for examination and treatment.