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Beechams All In One Tablets – patient leaflet, side effects, dosage

Last updated: · Text from the MHRA, as of · About this document

Medicine status: General sale (GSL) Details

Medicine strength:
250 mg + 100 mg + 5 mg

Patient leaflet - Beechams All in One tablets

1. What Beechams All in One Tablets do

Beechams All in One Tablets are used for the short term relief of the symptoms of colds, chills and flu with chesty coughs. These symptoms include headache, shivers, aches and pains, blocked nose and painful sinuses, catarrh, sore throat and a chesty, productive cough.

This medicine contains three active ingredients. Paracetamol is a painkiller and reduces your temperature when you have a fever. Guaifenesin is an expectorant which loosens phlegm and relieves a chesty cough. Phenylephrine hydrochloride is a decongestant which unblocks your nose and sinuses helping you breathe more easily.

2. Check before you take Beechams All in One Tablets

Do not take Beechams All in One Tablets:

  • if you have ever had an allergic reaction to paracetamol, guaifenesin, phenylephrine hydrochloride or to any of the other ingredients (listed in Section 6)
  • if you have kidney or liver problems (including alcoholic liver disease), overactive thyroid, diabetes, high blood pressure or heart disease

  • if you have phaeochromocytoma or glaucoma
  • if you are taking tricyclic antidepressants (e.g. imipramine or amitriptyline) or if you are taking or have taken in the last two weeks monoamine oxidase inhibitors (MAOIs) (e.g. moclobemide) prescribed for depression
  • if you are taking beta blockers (e.g. atenolol).

Do not take anything else containing paracetamol while taking this medicine.

Do not take with any other flu, cold, decongestant products or cough suppressants.

Take special care with Beechams All in One Tablets

  • This product may cause dizziness. If affected do not drive or operate machinery.

Ask your doctor before you take this medicine:

  • if you have been told by your doctor you have an intolerance to some sugars
  • if you have a blood vessel disease such as Raynaud’s Phenomenon
  • if you have an enlarged prostate
  • if you have asthma or chronic cough
  • if you have heart or circulation disease
  • if you have severe illnesses, including severe renal impairment or sepsis (when bacteria and their toxins circulate in the blood leading to organ damage), or you suffer from malnutrition, chronic alcoholism or if you are also taking flucloxacillin (an antibiotic). A serious condition called metabolic acidosis (a blood and fluid abnormality) has been reported in patients in these situations when paracetamol is used at regular doses for a prolonged period or when paracetamol is taken together with flucloxacillin. Symptoms of metabolic acidosis may include: serious breathing difficulties with deep rapid breathing, drowsiness, feeling sick (nausea) and being sick (vomiting).

If you are taking other medicines

Talk to your doctor or pharmacist before taking Beechams All in One Tablets if you are taking any prescribed medicines; particularly metoclopramide or domperidone (for nausea [feeling sick] or vomiting [being sick]) or ergotamine or methylsergide (for migraine) or colestyramine (to lower blood cholesterol) or drugs to lower blood pressure; appetite suppressants or stimulants; drugs to treat depression such as tricyclic antidepressants (e.g. amitriptyline) or heart disease (e.g. digoxin) or if you take blood thinning drugs (anticoagulants e.g. warfarin) or if you are taking flucloxacillin (antibiotic), due to a serious risk of blood and fluid abnormality (called metabolic acidosis) that must have urgent treatment (see section 2).

Pregnancy and breast feeding

Talk to your doctor before taking this product if you are pregnant or breast feeding.

3. How to take Beechams All in One Tablets

For oral use. Adults and children 12 years and over:

Swallow 2 tablets every 4 hours as needed.

  • Do not take more frequently than every 4 hours.
  • Do not take more than 8 tablets in 24 hours.
  • Do not take more than the recommended dose.
  • Do not take for more than 5 days without asking your doctor.
  • Do not give to children under 12 years.

If you take too many tablets

Talk to a doctor at once if you take too much of this medicine, even if you feel well. This is because too much paracetamol can cause delayed, serious liver damage.

If your symptoms persist, see your doctor.

4. Possible side effects

Like all medicines, Beechams All in One Tablets can have side effects, but not everybody gets them. A small number of people have had side effects.

Stop taking this medicine and tell your doctor immediately if you experience:

  • Allergic reactions which may be severe such as skin rash and itching sometimes with swelling of the mouth or face or shortness of breath.
  • Skin rash or peeling, or mouth ulcers.
  • Breathing problems. These are more likely if you have experienced them before when taking other painkillers such as ibuprofen or aspirin.
  • Unexplained bruising or bleeding.
  • Reoccuring fevers or infections.
  • Nausea, sudden weight loss, loss of appetite and yellowing of the eyes and skin.
  • Visual disturbances. This is rare but is more likely in those with glaucoma.
  • Unusually fast pulse rate or a sensation of an unusually fast or irregular heartbeat.
  • Difficulty passing water. This is more likely to occur in men with an enlarged prostate gland.

The following side effects may also occur. Tell your doctor if you get them.

  • Raised blood pressure, headache, dizziness, difficulty sleeping, nervousness, anxiety, diarrhoea, sickness or a serious condition that can make blood more acidic (called metabolic acidosis), in patients with severe illness using paracetamol (see section 2.

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.

5. How to store Beechams All in One Tablets

Keep out of the sight and reach of children.

Do not use this medicine after the ‘EXP’ date shown on the pack.

Do not store above 25°C.

6. Further information

Active ingredient Each tablet contains Paracetamol 250 mg, Guaifenesin 100 mg and Phenylephrine Hydrochloride 5 mg.

Other ingredients Lactose, microcrystalline cellulose, maize starch, stearic acid, colloidal anhydrous silica, purified talc, povidone, potassium sorbate (E 202), hypromellose, titanium dioxide (E 171), and polyethylene glycol.

Packs of Beechams All in One Tablets contain 8, 12, 16 or 24 tablets.

Not all pack sizes may be marketed.

The marketing authorisation holder is Haleon UK Trading Limited, The Heights, Weybridge, KT13 0NY, U.K.

The manufacturer is Haleon Alcala, S.A., Ctra de Ajalvir, Km 2500, 28806 Alcala de Henares, Madrid, Spain.

This leaflet was last revised in December 2024.

Trade Marks are owned by or licensed to the Haleon group of companies.

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 44673/0009

Last revision stated in the text: December 2024 · MHRA data as of 13 October 2026

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Beechams All in One tablets

Prescription needed? No, general sale list medicine (GSL) – also sold outside pharmacies
Active substances Paracetamol, Phenylephrine hydrochloride, Guaifenesin
Strength 250 mg + 100 mg + 5 mg
Pharmaceutical form Oral tablet
White, film-coated tablets embossed with a ‘B’ on one side.
How is it taken Oral
Excipients Tablets: Lactose, microcrystalline cellulose, maize starch, stearic acid, colloidal anhydrous silica, purified talc, povidone and potassium sorbate. Film coating: hypromellose E464, titanium dioxide E171, polyethylene glycol 4000, lactose monohydrate
Pack sizes 16 tablet
Is it available? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life Three years.
Storage Do not store above 25°C
Drug group (ATC)
  1. N Nervous system drugs
    1. N02 Analgesics
      1. N02B Other analgesics and antipyretics
        1. N02BE Anilide analgesics and antipyretics
          1. N02BE51 paracetamol, combinations excl. psycholeptics
Marketing authorisation PL 44673/0009 (first authorised 15 July 2002)
Marketing authorisation holder Haleon UK Trading Limited
Codes GTIN 5000347087844 · BNF 04070100

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.1.0 of 12 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.