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Oily Phenol injection BP 5%w/v – patient leaflet, side effects, dosage

Medicine strength:
5%w/v
Contains active substance:

Patient leaflet - Oily Phenol injection BP 5%w/v

1. What Oily Phenol is for

Oily Phenol belongs to a group of medicines called anti-haemorrhoidals.

Oily Phenol is for the treatment of piles (haemorrhoids). It relieves pain by numbing the nerves at the site of injection. It also hardens the tissue of the haemorrhoid causing a scar to be formed. Over time the haemorrhoids shrink and eventually disappear.

2. Before you are given Oily Phenol

Do not use Oily Phenol if:

  • You are allergic to phenol or the other ingredient almond oil
  • You are allergic to nuts
  • You are a child or a baby.

If any of the above applies to you talk to your doctor or pharmacist.

Pregnancy and breast-feeding

Do not use Oily Phenol if you are pregnant or breast-feeding unless your doctor tells you to.

Driving and using machines

Oily Phenol may cause dizziness. If this happens to you, do not drive or use machinery.

Important information about one of the ingredients - Almond Oil

Oily Phenol contains almond oil. If you are allergic to nuts, do not use this medicine.

3. How you will be given Oily Phenol Your doctor or nurse will inject this medicine. Adults and the Elderly:

  • The usual dose is 2-3 ml of the medicine

    injected into the skin at the base of the pile (haemorrhoid).

  • If you need more injections your doctor will inject the medicine at a different position on the pile.
  • The maximum total dose injected must not exceed 10 ml.

Children:

  • Oily Phenol is not for use in children.

If you are given more Oily Phenol Injection than you should

As you are given the medicine by a doctor or nurse, it is unlikely you will be given too much. However, if you think you have had too much,

contact your doctor or nurse immediately.

If you have further questions on the use of this product, ask your doctor or pharmacist.

4. Possible side effects

Like all medicines, Oily Phenol can cause side effects, although not everybody gets them.

Seek immediate medical help if you have any of the following:

  • Itchy, red, or swollen skin and difficulty breathing. You may be having an allergic reaction.
  • Swollen, purple and blistered skin with pain, fever, diarrhoea and feeling or being sick. You may have a serious illness that destroys your skin, called Necrotising Fasciitis
  • Rapid heartbeat and breathing, with a fever, chills or confusion. You may have a serious infection of the blood called Retroperitoneal Sepsis.

    Other side effects are:

    • Pain and discomfort at the site of injection
    • Ulcers and loss of skin tissue at the site of injection
    • Abscess (an inflamed swelling containing pus)
    • Abscess of the prostate gland
    • Dizziness
    • A high temperature
    • Hepatitis (inflammation of the liver) causing stomach pain and a yellow colour of the whites of your eyes and your skin
    • Pain when urinating
    • Incontinence
    • Impotence.

If any of the side effects get serious, or if you notice any side effects not listed in this leaflet, please tell your doctor.

5. How to store Oily Phenol

Keep out of the reach and sight of children. Do not use Oily Phenol after the expiry date which is stated on the side of the pack after EXP. The expiry date refers to the last day of that month.

Store Oily Phenol below 25°C.

Your doctor or nurse will ensure your medicine is stored and disposed of correctly.

6. Further information

What Oily Phenol contains

The active substance is phenol at a concentration of 5%.

The other ingredient is almond oil.

What Oily Phenol looks like

Oily Phenol a clear pale yellow solution that comes in a glass container (ampoule). Each ampoule contains 5 ml of solution. There are ten ampoules in a carton.

Marketing Authorisation Holder

Phoenix Labs, Suite 12, Bunkilla Plaza, Bracetown Business Park, Clonee, Co. Meath, Ireland

Manufacturer

Recipharm Ltd, Vale of Bardsley, Ashton-under-Lyne, OL7 9RR, UK

This leaflet was last updated {Approval Date}

If this leaflet is difficult to see or read or you would like it in a different format, please contact Phoenix Labs, Suite 12, Bunkilla Plaza, Bracetown Business Park, Clonee, Co. Meath, Ireland

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 35104/0012

MHRA data as of 13 October 2026

What the sections and the side effect frequencies mean: How to read a patient leaflet

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

Facts about Oily Phenol injection BP 5%w/v

What these facts mean

Active substance? Phenol
Strength? 5%w/v
Excipients? Almond oil
Shelf life? 3 years
Storage Store below 25°C.
Marketing authorisation? PL 35104/0012 (first authorised 20 March 1987)
Marketing authorisation holder? Phoenix Labs

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 11.1.0 of 9 November 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.