MYSOLINE vs PHENERGAN W/ CODEINE
Independent side-by-side comparison.
Possible drug interaction. MYSOLINE and PHENERGAN W/ CODEINE are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.
Rating
Pharmacy pays
Type
Active ingredient
Manufacturer
Dosage forms
Drug class
Boxed warning
Half-life
Treats
Frequently asked questions
Which is better-rated, Mysoline or Phenergan W/ Codeine?
By our independent rating, Mysoline scores higher — 3.7 vs 3.6 out of 5 for Phenergan W/ Codeine. Ratings are based on FDA regulatory (recall-safety) data.
Which is cheaper, Mysoline or Phenergan W/ Codeine?
Mysoline costs pharmacies less to acquire — about $2.89 vs $20.54 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.
What is the difference between Mysoline and Phenergan W/ Codeine?
Mysoline contains Primidone, while Phenergan W/ Codeine contains Codeine Phosphate and Promethazine Hydrochloride and Phenylephrine Hydrochloride — they have different active ingredients.
Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.