Best Phenothiazine for pain
The 2 Phenothiazine options we list for pain are all Promethazine Hydrochloride— the same active ingredient in different brands or formulations, so they aren’t ranked against each other on effectiveness. Our score reflects each product’s FDA recall-safety record; the practical choice is brand vs generic, dose, and cost. Compare them with all treatments for pain or the full Phenothiazine class. Not medical advice — always consult a professional.
Quick answer: Of the 2 phenothiazine drugs we rate for pain, all are available as lower-cost generics, and most are suppository. Our ranking reflects each drug’s FDA recall-safety record — not clinical effectiveness for pain; the right choice depends on your situation, so confirm it with your prescriber.
Other drug classes for pain
These are all Promethazine Hydrochloridein different brands or formulations, so we don’t rank them against each other — the list below is for comparing brand vs generic, dose, and typical cost, not for picking a “best” one on effectiveness.
All 2 phenothiazine products
promethegan
Boxed warningPrescriptionFDA-sourced
Promethegan (Promethazine Hydrochloride) is a phenothiazine used to treat Anaphylaxis, Allergic Conjunctivitis, Motion Sickness, Nausea.
Pharmacy pays
From ~$1.41/30· 8 formspromethazine plain
Boxed warningPrescriptionFDA-sourced
Promethazine Plain (Promethazine Hydrochloride) is a phenothiazine used to treat Anaphylaxis, Allergic Conjunctivitis, Motion Sickness, Nausea.
Pharmacy pays
From ~$1.41/30· 8 formsFrequently asked
- What is the best phenothiazine for pain?
- The Phenothiazine options we list for pain are all Promethazine Hydrochloride — the same active ingredient in different brands or formulations — so there's no single "best" one on effectiveness; the practical choice is brand vs generic, dose, and cost. Always consult a professional.
- Which phenothiazine drugs treat pain?
- pharmaranks lists 2 Phenothiazine products used for pain, per NIH RxClass drug-classification data — each independently rated and ranked above.
- How are these ranked?
- By our independent score, currently based on FDA regulatory recall-safety data (the methodology blends additional sources as they come online). See the How we rate page.