As a key medication for treating Parkinson's disease, the side effects of Azilect (Rasagiline) have attracted significant attention.
What Are the Side Effects of Azilect (Rasagiline)?
Common Reactions with Monotherapy
Systemic symptoms: Flu-like symptoms (5%), fatigue.
Musculoskeletal system: Arthralgia (7%), falls (5%).
Digestive system: Dyspepsia (7%).
Psychiatric system: Depression (5%), headache (14%).
Others: Conjunctivitis, fever, paresthesia (incidence ≥ 2%).
Additional Reactions When Combined with Levodopa
Dyskinesia: 18% of patients experience dyskinesia (e.g., involuntary tremors), which is significantly higher than that in the placebo group (10%).
Cardiovascular system: Orthostatic hypotension (9% in the combination therapy group).
Digestive system: Nausea (12%), constipation (9%), vomiting (7%).
Weight changes: 9% of patients experience weight loss.
Cutaneous reactions: Rash (6%), ecchymosis (5%).
Serious Side Effects of Azilect (Rasagiline) Requiring Vigilance
Hypertensive Crisis ("Cheese Reaction")
Rasagiline may inhibit monoamine oxidase (MAO).
If patients consume tyramine-rich foods (e.g., aged cheese, pickled herring, red wine) or amine-containing medications (e.g., pseudoephedrine).
It may trigger life-threatening sudden blood pressure elevation.
Symptoms include severe headache, blurred vision, chest pain, convulsions, and coma; seek medical attention immediately.
Serotonin Syndrome
May occur when combined with antidepressants (e.g., SSRIs, tricyclic antidepressants).
High fever, muscle rigidity.
Confusion, autonomic dysfunction.
Contraindicated combination: Rasagiline can only be initiated 5 weeks after discontinuing fluoxetine.
Hepatic Toxicity
Patients with mild to moderate hepatic impairment need to reduce the dose to 0.5mg per day.
Contraindicated in patients with severe hepatic impairment (Child-Pugh score ≥ 10).
Risk of Malignant Melanoma
Patients with Parkinson's disease themselves have a higher risk of developing melanoma; regular skin examinations are required during medication use.
Precautions for Taking Azilect (Rasagiline)
Dietary and Medication Contraindications
Avoided foods: Fermented foods, soy products, draft beer, red wine.
Contraindicated medications: Pethidine, tramadol, dextromethorphan, St. John's wort, sympathomimetic drugs (e.g., ephedrine).
Dosage and Monitoring
Monotherapy: 1mg per day; no dose adjustment is needed.
Combination therapy: Initial dose of 0.5mg per day, which can be increased to 1mg per day.
Levodopa dosage: If dyskinesia or hallucinations occur, the dose of levodopa can be reduced by 10%-13%.
Patient Education
Recognize the symptoms of hypertensive crisis and seek medical attention immediately.
Avoid taking cold medicines or supplements without authorization.
Conduct regular dermatological examinations.
