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首页 / 药物A–Z 伪麻黄碱

伪麻黄碱

有助于松弛痰(粘液)和薄的支气管分泌物,以消除支气管通道的烦恼粘液,使咳嗽更有成效。

在某些国家/地区无处方销售 口服

如何使用伪麻黄碱

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

Helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive temporarily relieves nasal congestion due to: common cold hay fever upper respiratory allergies temporarily restores freer breathing through the nose promotes nasal and/or sinus drainage temporarily relieves sinus congestion and pressure

How to take it and how often
  • Do not crush, chew, or break tablet
  • Take with a full glass of water this product can be administered without regard for timing of meals
  • Adults and children 12 years and older: 2 tablets every 12 hours; not more than 4 tablets in 24 hours
  • Children under 12 years of age: do not use
While you are taking it

do not use more than directed

Talk to a doctor first if

heart disease high blood pressure thyroid disease diabetes trouble urinating due to an enlarged prostate gland persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough accompanied by too much phlegm (mucus)

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 an 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 persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough accompanied by too much phlegm (mucus) When using this product do not use more than directed Stop use and ask …

Possible side effects

Stop use and ask doctor if you get nervous, dizzy, or sleepless symptoms do not get better within 7 days, come back or occur with a fever, rash, or persistent headache. These could be signs of a serious illness.

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 2025-12-10.

Registered products

United States (FDA)

Guaifenesin And Pseudoephedrine HclGUAIFENESIN 600 mg/1, PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 · Tablet, Extended Release · Dr. Reddy's Laboratories Limited
NDC 55111-798Label
Allergy And CongestionFEXOFENADINE HYDROCHLORIDE 60 mg/1, PSEUDOEPHEDRINE HYDROCHLORIDE 120 mg/1 · Tablet, Extended Release · Rite Aid Corporation
NDC 11822-7388Label
Nasal Decongestant Maximum Strength Maximum StrengthPSEUDOEPHEDRINE HYDROCHLORIDE 30 mg/1 · Tablet, Film Coated · Better Living Brands, LLC
NDC 21130-112Label
Mucus Relief DGUAIFENESIN 1200 mg/1, PSEUDOEPHEDRINE HYDROCHLORIDE 120 mg/1 · Tablet, Extended Release · Rite Aid Corporation
NDC 11822-7399Label
Chlorpheniramine Maleate, Ibuprofen, Pseudoephedrine HclCHLORPHENIRAMINE MALEATE 2 mg/1, IBUPROFEN 200 mg/1, PSEUDOEPHEDRINE HYDROCHLORIDE 30 mg/1 · Tablet, Coated · Haleon US Holdings LLC
NDC 10158-061Label

Nigeria (NAFDAC)

NAFDACNocof Drops A4-1043NAFDACNocin Tablet A4-101051NAFDACAsylin Drops A11-0483NAFDACSinufed Syrup 04-1900NAFDACKold Go Extra A11-100433NAFDACG-Fed Tablets A4-1070NAFDACSinufed Tablet 04-2014NAFDACAvrofed Syrup_ B4-1401NAFDACFlu-Cof Tablets B4-4561NAFDACSinufed Capsule A11-0783NAFDACPanda Cold Drops A4-1051NAFDACAlben Cold Drops A11-0126

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

Check your pack of Pseudoephedrine

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

Questions about Pseudoephedrine

What is Pseudoephedrine used for?

helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive temporarily relieves nasal congestion due to: common cold hay fever upper respiratory allergies temporarily restores freer breathing through the nose promotes nasal and/or sinus drainage temporarily relieves sinus congestion and pressure (From the official U.S. FDA label.)

How do I take Pseudoephedrine?

Follow your prescription or the leaflet in your pack. The official label says: do not crush, chew, or break tablet take with a full glass of water this product can be administered without regard for timing of meals adults and children 12 years and older: 2 tablets every 12 hours; not more than 4 tablets in 24 hours children under 12 years of age: do not use…

Do I need a prescription for Pseudoephedrine?

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

What brands contain Pseudoephedrine?

Pseudoephedrine is sold under names such as Wal-act, Wal-itin D, Lortuss Ex, Wal-fex D, M-end Max D, Stahist Ad, Zephrex-d, Nexafed. Brand names differ between countries.

How can I check that my Pseudoephedrine 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.