| Seizure | 47 |
| Drug effect less than expected | 34 |
| Decreased appetite | 24 |
| Echocardiogram abnormal | 20 |
| Weight decreased | 19 |
| Off label use | 16 |
| Somnolence | 15 |
| Mitral valve incompetence | 15 |
| Tricuspid valve incompetence | 14 |
| Drug ineffective | 14 |
| Aortic valve incompetence | 11 |
| Pyrexia | 9 |
| Diarrhoea | 9 |
| Prescribed overdose | 8 |
| Therapeutic product effect incomplete | 7 |
| Insomnia | 7 |
| Generalised tonic-clonic seizure | 7 |
| Tremor | 6 |
| Aortic dilatation | 6 |
| Vomiting | 5 |
| PULMONARY HYPERTENSION | 5 |
| Lethargy | 5 |
| Fatigue | 5 |
| Epilepsy | 5 |
| COVID-19 | 5 |
| Product dose omission issue | 4 |
| Pneumonia | 4 |
| Inappropriate schedule of product administration | 4 |
| Aggression | 4 |
| Abnormal behaviour | 4 |
| Weight increased | 3 |
| Thrombocytopenia | 3 |
| Sudden unexplained death in epilepsy | 3 |
| Status epilepticus | 3 |
| Seizure cluster | 3 |
| Sedation | 3 |
| Pulmonary arterial pressure increased | 3 |
| Product use in unapproved indication | 3 |
| Oxygen saturation decreased | 3 |
| Nausea | 3 |
| Heart rate increased | 3 |
| Gait disturbance | 3 |
| Drooling | 3 |
| Blood prolactin increased | 3 |
| Blood glucose decreased | 3 |
| Agitation | 3 |
| Therapeutic response unexpected | 2 |
| Right ventricular systolic pressure increased | 2 |
| Pulmonary valve incompetence | 2 |
| Petit mal epilepsy | 2 |
| Overdose | 2 |
| Ocular hyperaemia | 2 |
| Myoclonus | 2 |
| Myoclonic epilepsy | 2 |
| Muscle twitching | 2 |
| Left ventricular dysfunction | 2 |
| Irritability | 2 |
| Intestinal ischaemia | 2 |
| Increased appetite | 2 |
| Incorrect dose administered | 2 |
| Hypersomnia | 2 |
| Hyperdynamic left ventricle | 2 |
| Hepatic enzyme increased | 2 |
| Hallucination | 2 |
| Eyelid myoclonus | 2 |
| Ejection fraction decreased | 2 |
| Drug interaction | 2 |
| Crying | 2 |
| Cough | 2 |
| Cardiac valve disease | 2 |
| Bradycardia | 2 |
| Blood albumin decreased | 2 |
| White blood cell count decreased | 1 |
| Vocal cord disorder | 1 |
| Vision blurred | 1 |
| Viral infection | 1 |
| Vasoconstriction | 1 |
| Vagal nerve stimulator implantation | 1 |
| Thinking abnormal | 1 |
| Therapy interrupted | 1 |
| Therapeutic response shortened | 1 |
| Therapeutic response decreased | 1 |
| Therapeutic product effect decreased | 1 |
| Terminal state | 1 |
| Tachycardia | 1 |
| Stereotypy | 1 |
| Starvation | 1 |
| Speech disorder | 1 |
| Skin disorder | 1 |
| Seasonal allergy | 1 |
| Right ventricular hypertension | 1 |
| Rhinovirus infection | 1 |
| Rhinorrhoea | 1 |
| Rhabdomyosarcoma | 1 |
| Respiratory disorder | 1 |
| Rehabilitation therapy | 1 |
| RAYNAUD'S PHENOMENON | 1 |
| Rash pruritic | 1 |
| Rash | 1 |
| Pulmonary arterial pressure abnormal | 1 |
| Pulmonary arterial hypertension | 1 |
| Psychomotor hyperactivity | 1 |
| Pruritus | 1 |
| Protein total decreased | 1 |
| Product use issue | 1 |
| Product prescribing issue | 1 |
| Poor peripheral circulation | 1 |
| Pneumonia aspiration | 1 |
| Platelet count decreased | 1 |
| Pharyngitis streptococcal | 1 |
| Peripheral swelling | 1 |
| Pericardial effusion | 1 |
| Partial seizures | 1 |
| Parkinsonism | 1 |
| Paraesthesia | 1 |
| Pancreatitis | 1 |
| Pain | 1 |
| Oxygen consumption increased | 1 |
| Onychoclasis | 1 |
| Obstructive sleep apnoea syndrome | 1 |
| Neutrophil count decreased | 1 |
| Neutropenia | 1 |
| Nervousness | 1 |
| Nephrolithiasis | 1 |
| Nasal congestion | 1 |
| Myocardial necrosis marker increased | 1 |
| Muscular weakness | 1 |
| Muscle spasms | 1 |
| Movement disorder | 1 |
| Mitral valve thickening | 1 |
| Metapneumovirus infection | 1 |
| Mania | 1 |
| Leukaemia | 1 |
| Left ventricular hypertrophy | 1 |
| Left atrial enlargement | 1 |
| Intestinal resection | 1 |
| Infection | 1 |
| Increased upper airway secretion | 1 |
| Impaired gastric emptying | 1 |
| Idiopathic generalised epilepsy | 1 |
| Hypoxia | 1 |
| Hypoglycaemia | 1 |
| Hypoaesthesia | 1 |
| Hypertension | 1 |
| Hyperammonaemia | 1 |
| Hospitalisation | 1 |
| Hepatic failure | 1 |
| Haemoglobin decreased | 1 |
| Gastrostomy | 1 |
| Gastrointestinal tube insertion | 1 |
| Full blood count abnormal | 1 |
| Frequent bowel movements | 1 |
| Flushing | 1 |
| Feeling abnormal | 1 |
| Feeding tube user | 1 |
| Febrile status epilepticus | 1 |
| Faeces discoloured | 1 |
| Eye movement disorder | 1 |
| Enterovirus test positive | 1 |
| Enterostomy | 1 |
| Endotracheal intubation complication | 1 |
| Endotracheal intubation | 1 |
| Electrocardiogram abnormal | 1 |
| Ear pain | 1 |
| Ear infection | 1 |
| Dyspnoea | 1 |
| Drug level increased | 1 |
| Drug ineffective for unapproved indication | 1 |
| Dizziness | 1 |
| Disturbance in attention | 1 |
| Device deposit issue | 1 |
| Developmental delay | 1 |
| Dermatitis allergic | 1 |
| Depressed mood | 1 |
| Death | 1 |
| Cyanosis | 1 |
| Coronary artery disease | 1 |
| Contusion | 1 |
| Constipation | 1 |
| Cardiac disorder | 1 |
| Calcium ionised increased | 1 |
| Brain injury | 1 |
| Blood pressure increased | 1 |
| Blood pressure diastolic increased | 1 |
| Blood pH decreased | 1 |
| Blood glucose increased | 1 |
| Blood chloride increased | 1 |
| Blepharospasm | 1 |
| Behaviour disorder | 1 |
| Back pain | 1 |
| Autism spectrum disorder | 1 |
| Atonic seizures | 1 |
| Asthenia | 1 |
| Aortic valve thickening | 1 |
| Angina pectoris | 1 |
| Anger | 1 |
| Anal fistula | 1 |
| Alopecia | 1 |
| Affect lability | 1 |
| Abdominal pain | 1 |
| Abdominal discomfort | 1 |
