Greater Glasgow and Clyde Medicines
Key to symbols The medicine should be initiated by, or on the advice of a specialist, but is suitable for continuation by a GP The medicine should only be used and prescribed by a specialist Indicates the preferred choice within a class or group of medicines
The medicine should be initiated by, or on the advice of a specialist, but is suitable for continuation by a GP
The medicine should only be used and prescribed by a specialist
Indicates the preferred choice within a class or group of medicines
6. Endocrine system

6.2. Thyroid and antithyroid drugs

6.2.1. Thyroid hormones

Preferred List
LEVOTHYROXINE

Prescribing Notes:

Levothyroxine tablets should be prescribed where possible. If nil-by-mouth for more than 5 days IV levothyroxine (unlicensed) can be used for replacement therapy. Please click here for further information.

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Total Formulary
Specialist Only
LIOTHYRONINE (injection)

Restrictions:

Restricted to specialist use only.

NB: IV liothyronine should only be required for the treatment of myxoedema coma.

Prescribing Notes:

For all other replacement therapy, please refer to levothyroxine entry.

BNF Link

Specialist Only
LIOTHYRONINE (tablets)

Restrictions:

Restricted to specialist initiation on the advice of a consultant endocrinologist in accordance with local guideline for the use in combination with levothyroxine for the treatment of hypothyroidism.

Prescribing Notes:

Only licensed preparations should be prescribed.

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6.2.2. Antithyroid drugs

Preferred List
CARBIMAZOLE

BNF Link

Total Formulary
Specialist Only
AQUEOUS IODINE

Restrictions:

Restricted to specialist use only.

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Specialist and GP
PROPYLTHIOURACIL

Restrictions:

Restricted to specialist initiation.

BNF Link