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  • Alka Seltzer Original Tablets (Pack of 10)
  • Alka Seltzer Original Tablets (Pack of 10)

Alka Seltzer Original Tablets (Pack of 10)

From £3.29

Medication features

  • Fast efficient pain relief
  • 10 or 20 effervescent tablets


Alka-Seltzer Original is for fast and effective relief of general pain such as migraine, period pains, rheumatic and muscular pain, toothache, sore throat, nerve pain and the symptomatic relief of colds and flu.

Side Effects

Side effects may include
• difficulty in breathing or swallowing,
swelling of the face, lips, throat or tongue, skin
rashes, large or itchy wheals on the skin, attacks of
sneezing, runny nose and itching eyes or water
• Bleeding from the stomach or bowel,
which may result in black or tarry stools.
• Nausea, vomiting, indigestion, diarrhoea or
stomach pain.
• Anaemia (reduction in the number of red blood
• Heart failure with shortness of breath.
• Kidney impairment or failure

Info Leaflet

Before taking any medication, it is important to read the Patient Information Leaflet. You can find information leaflets for your medicines by typing them into the search bar at medicines.org, or by contacting us.


Alka-Seltzer must always be dissolved in water before taking.


Do not take Alka Seltzer if you:

are allergic to aspirin, sodium hydrogen carbonate, citric acid or to any other ingredients.
are allergic to any other pain relieving or anti-inflammatory medicines (e.e NSAIDS or salicylates).
have, or have had, a stomach or duodenal ulcer.
have a disorder which causes excessive bleeding such as haemophilia.
are pregnant or breast feeding.
have severe heart, kidney or live problems.
have asthma that is worsened by aspirin or any other NSAID.

Avoid if you are on a high dose of methotrexate, 15mg per week.

Speak to your doctor before taking Alka Seltzer if you:

suffer from Asthma, nasal polyps, hayfever or allergies.
have low uric acid excretion, which is commonly associated with gout.
have a history of gastrointestinal disorders.
have kidney or liver problems.
have problems with your circulation.
are about to have surgery.
are elderly.

Use in children:

Aspirin has also been associated with increased risk of Reye's Syndrome when given to children with a fever. For this reason the use of aspirin is not recommended in children under 16 years of age.

You should ask your doctor before taking aspirin if you are taking any other medicines including those for blood clots (thrombosis) such as warfarin or gout such as probenecid.

If you are unsure please check with your doctor, always read the label.


Each effervescent tablet contains: aspirin 324mg. sodium content 477mg per tablet.

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