TCP Liquid Antiseptic Original – 50ml

Description

TCP Liquid Antiseptic Original – 50ml

TCP Liquid Antiseptic Original is a well-known antiseptic solution used to help relieve discomfort and reduce the risk of infection. It can be used both internally (e.g. for sore throats and mouth ulcers) and externally (e.g. for minor cuts, grazes, spots, and boils).

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How It Works

TCP contains halogenated phenols, including phenol and halogenated phenol derivatives, which work by killing bacteria and other germs on contact. This antiseptic action helps prevent infection in minor wounds and soothes irritated tissue in the mouth and throat.

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Directions for Use

For sore throats and mouth use (adults and children aged 6 and over): Dilute one part TCP with five parts warm water and use as a gargle or mouthwash. Do not swallow. Repeat up to three times daily as needed.

For external skin use (adults and children aged 6 and over): Apply undiluted directly to spots, boils, or minor skin blemishes. For minor cuts, grazes, or abrasions, dilute one part TCP with one part water before applying.

TCP is not recommended for children under 6 years of age unless directed by a doctor. Always read the patient information leaflet before use. If you are unsure about the correct dose, speak to your PillSorted pharmacist.

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Active Ingredients

• Phenol 0.175% w/v
• Halogenated phenols (including chlorinated and iodinated phenols) — total phenol content approximately 0.68% w/v

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Possible Side Effects

• Skin irritation or redness at the site of application
• Burning or stinging sensation in the mouth or throat when used as a gargle
• Allergic skin reactions such as rash or itching (uncommon)
• Irritation to sensitive or broken skin if used undiluted in vulnerable areas

If you experience any serious side effects, stop taking this medicine and seek medical advice immediately.

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Who Should Not Take This Medicine

• People with a known allergy to phenol, halogenated phenols, or any other ingredient in TCP
• Children under 6 years of age (unless advised by a doctor)
• Do not use in or near the eyes
• Do not swallow the liquid
• Do not use on large areas of broken or damaged skin without medical advice

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Interactions

TCP Liquid Antiseptic is applied topically or used as a gargle and is not significantly absorbed into the body in normal use, so clinically significant drug interactions are unlikely. However, you should avoid using TCP alongside other antiseptic preparations on the same area of skin without guidance. Tell your PillSorted pharmacist or doctor about all medicines you are currently taking, including herbal remedies and supplements.

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Pregnancy and Breastfeeding

There is limited data on the use of TCP during pregnancy and breastfeeding. As a precaution, it is advisable to limit use to small areas and avoid swallowing the product. Speak to your doctor or PillSorted pharmacist before use if you are pregnant, trying to conceive, or breastfeeding.

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Alcohol

TCP Liquid Antiseptic does not contain alcohol and there are no known interactions between TCP and alcoholic beverages when used as directed. No special precautions regarding alcohol consumption are required with this product.

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Driving and Operating Machinery

TCP Liquid Antiseptic is used topically or as a gargle and is not known to cause drowsiness or affect concentration. It is not expected to impair your ability to drive or operate machinery when used as directed.

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Storage

Store below 25°C in a dry place, away from direct sunlight. Keep the cap tightly closed when not in use. Keep out of sight and reach of children. Do not use after the expiry date shown on the packaging.

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Important Information

• This product is a medicine. Speak to your doctor or PillSorted pharmacist before taking this product if you have an underlying medical condition or are taking any other medication or complementary therapy.
• If symptoms worsen or persist, contact your doctor.
• If pregnant, trying to conceive or breastfeeding, seek medical advice before use.
• If you suffer from allergies, confirm suitability with your PillSorted pharmacist before use.
• Store out of sight and reach of children.
• Read the enclosed patient information leaflet carefully before use.
• Contact your GP where appropriate.

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Patient Information Leaflet

For the full Patient Information Leaflet (PIL) for this medicine, visit the electronic Medicines Compendium (EMC). For further information about this medicine, visit NHS.uk.

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This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: February 2026.

Brand	TCP