Methadose Diluent

Summary of Product Characteristics Updated 15-Jul-2020 | Rosemont Pharmaceuticals Limited

1. Name of the medicinal product

Methadose Diluent

Methadone Diluent

2. Qualitative and quantitative composition

There is no active ingredient in the product

Excipient(s) with known effect:

Propyl Hydroxybenzoate (E216) – 1.5mg/5ml

Methyl Hydroxybenzoate (E218) – 6mg/5ml

Propylene Glycol (E1520) – 155.6mg/5ml

For a full list of excipients, see section 6.1.

3. Pharmaceutical form

Blue solvent for oral administration.

4. Clinical particulars
4.1 Therapeutic indications

For use as a diluent with Methadone Oral Concentrate 10mg/1ml and 20mg/1ml

4.2 Posology and method of administration

For oral administration only.

Dosage recommendations

As required.

4.3 Contraindications

None known

4.4 Special warnings and precautions for use

Excipients warnings:

• Methyl and propyl hydroxybenzoates are contained in this product which may cause allergic reactions (possibly delayed).

• Propylene Glycol. This medicine contains 155.6mg propylene glycol in each 5 ml dose.

4.5 Interaction with other medicinal products and other forms of interaction

None known

4.6 Fertility, pregnancy and lactation

Not applicable

4.7 Effects on ability to drive and use machines

None known

4.8 Undesirable effects

None known

4.9 Overdose

Not applicable

5. Pharmacological properties
5.1 Pharmacodynamic properties

Not applicable

5.2 Pharmacokinetic properties

Not applicable

5.3 Preclinical safety data

Not applicable

6. Pharmaceutical particulars
6.1 List of excipients

Propylene Glycol BP

Propyl Hydroxybenzoate BP

Methyl Hydroxybenzoate BP

Patent Blue V (E131)

Purified Water BP

6.2 Incompatibilities

None known

6.3 Shelf life

Shelf life- 2 years

Shelf life after first opening container - 3 months

6.4 Special precautions for storage

Store below 25° C but not in a refrigerator

6.5 Nature and contents of container

Bottle: Amber (type III) glass bottle

Closure: HDPE, EPE wadded, tamper evident child resistant closure

Pack Size: 500ml

6.6 Special precautions for disposal and other handling

This product is intended for use as a diluent with Methadone Oral Concentrate 10mg/1ml and 20mg/1ml

Administrative Data

7. Marketing authorisation holder

Rosemont Pharmaceuticals Ltd

Rosemont House

Yorkdale Industrial Park

Braithwaite Street


LS11 9XE

8. Marketing authorisation number(s)

PL 00427/0099

9. Date of first authorisation/renewal of the authorisation

31 January 1996

10. Date of revision of the text

03 July 2020

Company Contact Details
Rosemont Pharmaceuticals Limited

Rosemont House, Yorkdale Industrial Park, Braithwaite Street, Leeds, Yorkshire, LS11 9XE


+44 (0)113 244 1400

Customer Care direct line

+44 (0)800 919 312

Out of Hours contact


+44 (0)113 245 3567

Out of Hours Telephone

+44 (0)795 762 3515