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Phenylephrine

• temporarily relieves sinus congestion and pressure • temporarily relieves nasal congestion due to the common cold, hay fever or other upper respirat.

Checked against the official label · Updated

Sold without prescription in some countries Oral Safety alerts on record

How to use Phenylephrine

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

• temporarily relieves sinus congestion and pressure • temporarily relieves nasal congestion due to the common cold, hay fever or other upper respiratory allergies

How to take it and how often
  • Adults and children 12 years and over take 1 tablet every 4 hours
  • Do not take more than 6 tablets in 24 hours
  • Children under 12 years
  • Ask a doctor
While you are taking it

do not exceed recommended dose

Talk to a doctor first if

• heart disease • high blood pressure • thyroid disease • diabetes • trouble urinating due to an enlarged prostate gland

Warnings

Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains a MAOI, ask a doctor or pharmacist before taking this product. Ask a doctor before use if you have • heart disease • high blood pressure • thyroid disease • diabetes • trouble urinating due to an enlarged prostate gland When using this product do not exceed recommended dose Stop use and ask a doctor if nervousness, dizziness, or sleeplessness occur symptoms do not improve within 7 days or occur with a fever If pregnant or …

Possible side effects

Nervousness, dizziness, or sleeplessness occur symptoms do not improve within 7 days or occur with a fever

Pregnancy and breastfeeding

If pregnant or breast-feeding, ask a health professional before use.

How to store it

Keep out of reach of children.

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2026-05-26.

Registered products

United States (FDA)

Daytime Severe Cold Multi-symptom Multi-symptomACETAMINOPHEN 325 mg/1, DEXTROMETHORPHAN HYDROBROMIDE 10 mg/1, GUAIFENESIN 200 mg/1 · Tablet, Film Coated · United Natural Foods, Inc. dba UNFI
NDC 41163-503Label
Phenylephrine HydrochloridePHENYLEPHRINE HYDROCHLORIDE 10 mg/mL · Injection · Par Health USA, LLC
NDC 42023-214Label
Maximum Strength Mucus Relief Severe Congestion And CoughDEXTROMETHORPHAN HYDROBROMIDE 20 mg/20mL, GUAIFENESIN 400 mg/20mL, PHENYLEPHRINE HYDROCHLORIDE 10 mg/20mL · Liquid · Wal-Mart Stores,Inc.,
NDC 49035-774Label
Vicks Dayquil Hot Remedy Rapid Relief Multi-symptom Cold And Flu Plus Congestion Cold And Flu Plus CongestionACETAMINOPHEN 500 mg/5g, PHENYLEPHRINE HYDROCHLORIDE 10 mg/5g, DEXTROMETHORPHAN HYDROBROMIDE 20 mg/5g · Powder, For Solution · Procter & Gamble Manufactura S de RL de CV
NDC 58933-550Label
Alka Seltzer Cold Cold Flu And Congestion Severe Fast DissolveDEXTROMETHORPHAN HYDROBROMIDE 10 mg/1, CHLORPHENIRAMINE MALEATE 2 mg/1, PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 · Tablet, Effervescent · Bayer HealthCare LLC.
NDC 0280-8268Label

Nigeria (NAFDAC)

NAFDACRealflex B4-0599NAFDACAlkold Plus_ B4-2113NAFDACAnuheal Cream_ A4-101258NAFDACBoscold Tablet A11-100710NAFDACLifeflu Tablets A4-2594NAFDACKoldoff Caplets 04-8678NAFDACKescold Capsule 00-0000NAFDACSkoned Capsules C4-1345NAFDACFluezze Tablets B4-9729NAFDACColman Capsules 04-8784NAFDACTekold Capsules C4-1151NAFDACAvrocold Tablets A4-4554

Other countries: check your pack's registration number and we point you to your regulator.

Safety alerts and recalls

Phenylephrine Hydrochloride Injectable Solution, 40mg, 250*mL Bag, wells pharma of Houston, NDC 73702-122-03U.S. FDA Class II
1 Apr 2026 · Wells Pharma of Houston LLC · OngoingcGMP deviations.
Tropicamide 1%/Cyclopentolate 1%/Phenylephrine 2.5%/Ketorolac 0.5% Topical Ophthalmic Solution, 0.5mL Single-Use Syringe, For Topical Ophthalmic Use Only. Not for IV Use. Fagron SU.S. FDA Class II
20 Nov 2025 · Fagron Compounding Services · OngoingIncorrect Product Formulation
Phenylephrine HCI, 1000 mcg / 10 mL, 10 mL Total Volume, Rx Only, Park Avenue Compounding, 3662 Park Ave, Saint Louis, MO, 63110-2512, NDC 83863-0104-1.U.S. FDA Class II
17 Sep 2025 · Park Avenue Compounding · OngoingCGMP Deviations
Tropicamide-Proparacaine-Phenylephrine-Ketorolac, Sterile Ophthalmic Solution, 1% 0.5% 2.5% 0.5%, 5mL, 2x5ML vial per carton, Rx Only, Imprimis NJOF, LLC, 1705 Route 46 West, Unit U.S. FDA Class III
9 Jul 2025 · Imprimis NJOF, LLC · CompletedSub-Potent Drug: Subpotent assay results during stability testing.

A recall usually affects certain batches only. Compare the lot number on your pack.

Check your pack of Phenylephrine

Type the registration number on the pack, or scan it with your camera.

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Phenylephrine

What is Phenylephrine used for?

• temporarily relieves sinus congestion and pressure • temporarily relieves nasal congestion due to the common cold, hay fever or other upper respiratory allergies (From the official U.S. FDA label.)

How do I take Phenylephrine?

Follow your prescription or the leaflet in your pack. The official label says: adults and children 12 years and over take 1 tablet every 4 hours do not take more than 6 tablets in 24 hours children under 12 years ask a doctor…

Do I need a prescription for Phenylephrine?

In many countries Phenylephrine is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Phenylephrine?

Phenylephrine is sold under names such as Wal-dryl-d, Wal-four, Wal-phed Pe, Dallergy Reformulated Nov 2011, Sudo-tab, Nasopen Pe, Biorphen, Omidria. Brand names differ between countries.

What are the side effects of Phenylephrine?

The official label lists: nervousness, dizziness, or sleeplessness occur symptoms do not improve within 7 days or occur with a fever Tell your doctor about any side effect that bothers you or does not go away.

Can children take Phenylephrine?

The label gives a separate dose by age: children 12 years and over take 1 tablet every 4 hours do not take more than 6 tablets in 24 hours children under 12 years ask a doctor. Check the pack or ask a pharmacist.

Can I take Phenylephrine when pregnant or breastfeeding?

If pregnant or breast-feeding, ask a health professional before use. Ask your doctor or midwife first.

How can I check that my Phenylephrine is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.