Alka Seltzer Effervescent 20 Tablets


Code 819C16A404DB9C03

Alka Seltzer are effervescent pain tablets which dissolve in water to give a sparkling solution.

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Product Information

Alka-Seltzer can be used for the treatment of mild to moderate pain including headache, migraine, backache (including lumbago), nerve pain (neuralgia and sciatica), period pain, toothache and sore throat. It can also be used for the symptomatic relief of colds, influenza, rheumatic pain (arthritis), muscle tenderness and stiffness (including fibrositis), muscular aches and pains, the pain of joint swelling and stiffness, strains and sprains. It effectively reduces high temperatures.

Alka-Seltzer Effervescent Tablets contain Sodium and Sodium Benzoate (E 211). This medicine contains 477 mg Sodium (main component of cooking/table salt) in each tablet. This is equivalent to 23.85% of the recommended maximum daily dietary intake of sodium for an adult. Talk to your doctor or pharmacist if you need one or more Alka Seltzer Effervescent Tablets daily for a prolonged period, especially if you have been advised to follow a low Salt (Sodium) diet.

  • Contains Sodium, Sodium Benzoate and Aspirin
  • Dissolves in water to give a sparkling solution
  • Treats pain, fever and also has anti inflammatory properties

How To Use

Alka Seltzer tablets must always be dissolved in water before use.
Adults and children over 16:
Two tablets dissolved in half a glass (100ml) of water may be taken every 4 hours as required.
You should not take more than 8 tablets in 24 hours.
Not recommended in children under 16.
The tablets should preferably be taken after eating.
Make sure you follow the dosage instructions and do not take more than the stated dose.
Do not take Alka Seltzer for more than 3 days in a row.

If symptoms persist, speak to your doctor or pharmacist.

Use in children:
There is a possible association between Aspirin and Reye’s syndrome when given to children.
Reye’s syndrome is a very rare disease, which can be fatal.
For this reason aspirin should not be given to children under 16 years, unless on the advice of a doctor.
Do not take Alka Seltzer if you:
Are allergic (hypersensitive) to aspirin, Sodium Hydrogen Carbonate, Citric Acid or any of the other ingredients of Alka Seltzer.
Are allergic to any other pain relieving or anti-inflammatory medicines (e.g. NSAIDS or Salicylates).
Have a disorder which causes excessive bleeding such as haemophilia.
Have, or have had, a stomach or duodenal ulcer.
Are on a high dose of Methotrexate (15mg per week or more).
Are pregnant or breastfeeding, unless advised by a doctor.
Have severe heart, liver or kidney problems.
Have asthma that is worsened by aspirin or any other NSAID.
Speak to your doctor before taking Alka Seltzer if you:
Suffer from tightness in the chest, asthma, nasal polyps, hay fever or allergies.
Have low uric acid excretion, which is commonly associated with gout.
Have a history of gastrointestinal disorders (regular stomach upsets).
Have kidney or liver problems.
Have problems with your circulation (kidney or heart disease).
Have Glucose-6-phosphate Dehydrogenase (G6PD) deficiency (a hereditary condition that may result in anaemia).
Are about to have surgery.
Before the operation tell the doctor or surgeon that you are taking aspirin.
Are elderly, as you are more likely to experience unwanted side effects.

Active Ingredients

Ingredients: Each effervescent tablet contains the active substances Aspirin (Acetylsalicylic Acid) (324mg per tablet), Sodium Hydrogen Carbonate (1744mg per tablet) and Citric Acid (965mg per tablet). The other ingredients are Povidone, Dimeticone, Calcium Silicate, Docusate Sodium, Sodium Benzoate (E211), Sodium Saccharin, natural and artificial Lemon flavour and natural and artificial Lime flavour.

Delivery Info

In store collections are free of charge.

Free Delivery for orders over €39 in Ireland and NI. €4.95 charge applies for orders under €39.

Deliveries in Republic Of Ireland
Delivery by Fastway.

Deliveries to Northern Ireland
Delivery by Royal Mail, No custom charges to Northern Ireland.

Deliveries to England, Wales and Scotland
Delivery by Royal Mail. Customs charges may be incurred, depending on your order value.

International Deliveries
Orders subject to review. Orders Delivery by Royal Mail or An Post. Customs charges may be incurred, depending on your order value.Please note, for security and legal reasons, certain items are prohibited with An Post  and Royal Mail. We will contact you if your items are on the prohibited list. Orders may require a signature upon receipt.

Shipping delivery times may vary depending on the following:

  • During promotional campaigns.
  • During busy postal periods including, bank holidays and weekends.
  • Location.

For orders to the rest of the world, please contact before ordering.

Returns Policy

We are sorry that you are seeking information on a return or refund, we will endeavor to solve any problems or queries you may have.
Please send the returns information to our email address within 14 days from the date of receipt. If the item is passed 28 days we are able to issue a gift certificate for Ronaghan’s Pharmacy.
Read our complete Returns Policy here »

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