We use necessary cookies to make our website work. We'd also like to use optional analytics cookies to help us improve it.
For more information, please read our cookie policy.

UK – EU Transition, and UK Civil Aviation Regulations

To access current UK civil aviation regulations, including AMC and GM, CAA regulatory documents, please use this link to UK Regulation. Please note, if you use information and guidance under the Headings below, the references to EU regulations or EU websites in our guidance will not be an accurate information or description of your obligations under UK law. These pages are undergoing reviews and updates.

Oxybutynin MR (Lyrinel XL)

It is not acceptable for short-term use prior to bladder surgery. Only the sustained-release formulation is permitted.

Tolterodine MR (Detrusitol XL)

Solifenacin (Vesicare)

Darifenacin (Emselex)

Trospium IR and MR (Regurin)

Side-effects to enquire about are mainly anti-cholinergic such as dry mouth, blurred vision and drowsiness. If these do not occur in the first few months they are extremely unlikely to occur later.

Class 1

Unfit for a minimum of four weeks or until a stable dose is achieved with adequate symptom control.
OML for at least four months.

If the dose of drug remains stable with satisfactory symptom control and no reported side-effects, then unrestricted certification can be considered at four months. Any change in dosage should entail a grounding period of four weeks followed by reassessment. Pilots should be advised to keep themselves hydrated before and during flights.

Class 2

Unfit for a minimum of four weeks or until a stable dose to achieve with adequate symptom control. If the dose of drug remains stable with satisfactory symptom control and no reported side-effects, then unrestricted certification can be considered at four weeks. Any change in dosage should entail a grounding period of four weeks, followed by reassessment.

Provide page feedback

Please enter your comments below, or use our usual service contacts if a specific matter requires an answer.

Fields marked with an asterisk (*) are required.

Latest from UK Civil Aviation Authority

  1. UK Civil Aviation Authority update on ATOL Reform consultation
  2. 2022 quarter one flight data
  3. Continued focus on change for GA Team

View all latest news