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 Formulary Chapter 4: Central nervous system - Full Chapter
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04.03.03  Expand sub section  Selective serotonin re-uptake inhibitors
 note 

Use liquid formulations only where clinically required, for example swallowing difficulties or deprescribing where small dose decreases are required. At time of writing products are listed in order of preference of prescribing.

Citalopram
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First Choice
Green
  • Tablets: 10mg, 20mg and 40mg.
  • Oral drops: 40mg/ml oral drops are available as a licensed liquid formulation. Not bioequivalent to tablets.
    • High-cost preparation: oral drops are significantly more costly than tablets and should not be used for routine dose administration where tablets are suitable.
  • Please note maximum doses
    • Adults - 40mg
    • Older adults - 20mg
 
Fluoxetine
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First Choice
Green
  • Capsules: 10mg and 20mg. 
    • Higher strength capsules are available although there may be an increased potential for undesirable effects at higher doses.
    • Higher strength capsules are more cost effective than doubling the number of capsules taken.
  • Dispersible tablets: 20mg; where a patient is unable to swallow capsules but can take a dispersed solid-dose formulation.
  • Oral solution: 20mg/5ml licensed liquid formulation.
    • High-cost preparation: oral solution is more costly than capsules and dispersible tablets; use the lowest-cost suitable formulation wherever clinically appropriate. Sugar free oral solution is more costly than regular solution.
  • Note 10mg tablets are not approved
 
Paroxetine
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First Choice
Green
  • Tablets: 10mg, 20mg and 30mg.
  • Oral suspension: 10mg/5ml licensed liquid formulation.
    • High-cost preparation: oral suspension is significantly more costly than tablets and should not be used routinely where tablets are suitable.
  • Note 40mg tablets are not approved
 
Sertraline
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First Choice
Green
  • Tablets: 25mg, 50mg and 100mg.
  • Oral suspension: 50mg/5ml licensed liquid formulation.
  • Concentrate for oral solution: 100mg/5ml;
    • must be diluted before use in line with the product information.
    • High-cost preparation: liquid preparations are more costly than tablets; prescribe tablets where suitable and reserve liquids for swallowing difficulties or dose reductions requiring small decrements.
  • 150mg and 200mg tablets are not approved
 
Escitalopram
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Formulary
Green
  • Tablets: 5mg, 10mg and 20mg.
  • Oral drops: 20mg/ml licensed liquid formulation. Where a patient is unable to swallow tablets.
  • Orodispersible tablets 5mg, 10mg, 15mg and 20mg are available and may be an option where appropriate but may not be suitable for people unable to control their swallow.
    • High-cost preparation: oral drops and orodispersible tablets are more costly than standard tablets; use only where there is a clear clinical need.
  • Please note maximum doses
    • Adults - 20mg
    • Older adults - 10mg
 
Link  MHRA Drug Safety Update (Dec 2014): Citalopram and escitalopram: QT interval prolongation
Link  MHRA Drug Safety Update (Jan 2021): SSRI/SNRI antidepressant medicines: small increased risk of postpartum haemorrhage when used in the month before delivery
 
 ....
 Non Formulary Items
Paroxetine
(40mg tablets)

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Non Formulary
Not Recomended

40mg tablets

  
Key
Restricted Drug Restricted Drug
Unlicensed Drug Unlicensed
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Link to adult BNF
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Link to children's BNF
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Link to SPCs
Cytotoxic Drug
Cytotoxic Drug
CD
Controlled Drug
High Cost Medicine
High Cost Medicine
NHSE
NHS England
Homecare
Homecare
CCG
ICB
Green Low Carbon

Low carbon footprint

Amber Medium Carbon

Medium carbon footprint

Red High carbon footprint

High carbon footprint

Status Description

Red

Drugs for hospital use only. The responsibility for initiation and monitoring treatment should rest with an appropriate hospital clinician and the drug should be supplied through the hospital throughout the duration of treatment. In some very exceptional circumstances (e.g. due to distance from the hospital, storage, supply or mobility/transport problems) it may be appropriate for the GP to be asked to prescribe a Red drug. This should be negotiated on an individual patient basis and should only be done with the GP’s prior informed agreement where the roles of the GP and hospital services are clearly defined and agreed. The GP should not feel under pressure to prescribe in these circumstances. For all RED drugs automatically added to the formulary in response to a positive NICE TA: Prescribers need to ensure that local Trust new drug governance procedures and pharmacy processes are followed before any prescribing.   

Amber

Drugs initiated by hospital specialist, but where continuing treatment by GPs may be appropriate under a shared care arrangement. These medicines are considered suitable for primary care prescribing following specialist initiation of therapy and stabilisation, with ongoing communication between the primary care prescriber and specialist as set out in the associated shared care guideline (SCG). Shared care should be initiated by the specialist, which includes consultant, suitably trained specialist non-medical prescriber or GPwER within a secondary, tertiary, or primary care clinic. The specialist should send the primary care prescriber a copy of the NENC Clinical Effectiveness and Governance (CEG) Subcommittee approved SCG to sign. The primary care prescriber should sign the SCG or indicate reasons why they are unable to accept the agreement and return a copy back to the specialist, as soon as possible. SCGs are available or are being developed for most of the drugs listed as AMBER.   

Green plus

Drugs normally recommended or initiated by a hospital specialist who is a prescriber, a GP with an extended role [GPwER], or a specialist within primary care which can be safely maintained in primary care and monitored in primary care. In some cases, a further restriction for use may be defined. The primary care prescriber must be familiar with the drug to take on prescribing responsibility or must obtain the required information from the specialist. Therefore, provision of additional information, or an information leaflet, may be appropriate in some cases to facilitate continuing treatment by primary care prescriber or provide information re stopping criteria. These are considered suitable for primary care prescribing following specialist assessment and recommendation of therapy, with ongoing communication between the primary care prescriber and specialist, if necessary. In some case these drugs require specialist initiation and short to medium term monitoring of efficacy or toxicity until the patient’s dose is stable. Following specialist review the patient may be transferred to primary care for ongoing prescribing. Ongoing prescribing by primary care can include, if required, additional dose titrations and assessment of efficacy, with ongoing communication between the primary care prescriber and specialist, if necessary. If the drug requires urgent initiation, it is expected that the specialist provides the first prescription from the inpatient/outpatient setting, of sufficient supply for a patient’s immediate needs. The quantity provided should cover at least up to the point where the discharge/clinic letter has reached the GP, plus reasonable time for the practice to manage the document and issue further supplies. A GREEN+ drug can only be recommended to primary care for initiation if it does not need to be initiated urgently, taking into account clinical need.  

Green

Medicines suitable for initiation, ongoing prescribing and discontinuation in all care settings, subject to appropriate communication between those responsible.  

OTC

Self-care – available OTC, can be purchased as part of self-care for self-limiting conditions as per NHSE policy guidance  

Brown

UNDER REVIEW: drugs whose current formulary status or RAG status is currently under review.  

Not Recomended

Drugs that have been considered by the NENC Clinical Effectiveness and Governance (CEG) Subcommittee (or other approved body) and are not approved for prescribing within the North East and North Cumbria ICS. These may also include all medicines with a “not NHS” or “DLCV” classification in the BNF, those agents as included within the NICE “Do not do” list, and those agents included with the NHS England: Items which should not routinely be prescribed in primary care.  

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