Positives

• Patients on 1.5-3 mg at bedtime reported reduced migraine frequency and severity, with benefit in 40-80% of users across studies Patient.info.
  
  
• A pediatric series found 84.6% of children improved with acceptable tolerance, supporting use in refractory cases PubMed.
  
  

Negatives

• A patient reported sedation, dry mouth, drowsiness, and increased appetite with weight gain as the dominant downsides Patient.info.
  
  
• Forum users described difficulty tapering off and concerns about long-term continuation HealthUnlocked.
  
  

Hurdles & Side Effects

• Patients commonly experienced significant weight gain that limited tolerability, with side effects in roughly 17% of users PubMed.
  
  
• Reviewers were typically offered pizotifen only after failing first-line preventives because drowsiness limits front-line use Wikipedia.