Penthrox
Inhaled pain relief for endometrial biopsy, sonohysterogram or IUD insertion
What is Penthrox?
- Penthrox is an inhaled vapour used to relieve moderate to severe pain in patients who are awake.
- It wears off very quickly.
- You will be asked to stay in the waiting room for 15 to 60 minutes, at the physician’s discretion, depending on how you react to Penthrox.
- You must have a ride home after you are discharged.
- This medication will be prescribed to you, and you will pay for it in your patient app.
Who cannot use Penthrox
Confirm that none of the following apply to you. If any do, you cannot use Penthrox: a history or family history of malignant hyperthermia, an allergy to fluorinated anesthesia, or significant kidney or liver impairment.
Tell the clinic about any known allergies, especially to anesthesia, antiseptics or medications.
Common side effects
- Cough
- Dry mouth
- Dizziness
- Drowsiness
- Amnesia
- Headache
- Nausea
Appointment preparation
- Confirm your appointment details: the date and time of the procedure. Arrive 10–15 minutes early to complete any paperwork and pre-procedure assessments.
- Pay for your Penthrox prescription in your patient app. Once it is paid for, the clinical team will give you the medication for use during your procedure.
Transportation
- Arrange for a responsible adult to come with you and drive you home.
- Avoid driving, operating heavy machinery or signing important documents for the rest of the day.
Follow-up
After your procedure, if you have any questions, please reach out to your Primary Care Team by phone or through the chat in your patient app.