Examples: Sudafed PE formulations. Check the exact formulation on your label.
Strong evidenceWhat it is useful for
FDA proposes removing the oral ingredient from the OTC monograph for lack of effectiveness. Its page still permits marketing pending a final order. This finding does not apply to nasal phenylephrine.
Availability: FDA’s checked page describes proposed removal; not a verified final ban.
When to expect a difference
- Initial effect
- Varies by formulation.
- Full benefit
- No single reliable time applies.
- Use period
- Use only as directed on the product label.
- Stop or ask
- Stop for an adverse reaction and seek advice.
How to use it
Follow the exact product label. This guide does not provide a dose schedule for this ingredient.
Use the dose on your specific package. Different concentrations and release types are not interchangeable.
Check suitability
Check allergies, health conditions and all other medicines before use. The finder can flag common restrictions, but it is not a complete interaction checker.
Pregnancy, breastfeeding, children, immune suppression and postoperative care are outside this finder.