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SIDE EFFECTS & CONTRAINDICATIONS
Note: This is not an exhaustive list. The list was prepared from published articles.
Possible Side Effects of Nitrous Oxide – Oxygen Conscious Sedation:
May experience
nausea, vomiting, excessive sweating, euphoria, excitement, deep sedation, drowsiness, sleep,
dizziness, lightheadedness, dysphoria, amnesia, and headaches.
Precautions and Contraindications for Nitrous Oxide Use
Precautions/Relative Contraindications
Discontinue the Nitrous Oxide delivery if observed: prolonged inspirations,
irregular breathing, involuntary eye movements, swallowing or gagging, dilated
pupils and rigid muscles.”
Side effects (e.g., nausea, vomiting, dizziness, dysphoria, etc.) are not tolerable.
Current vitamin B
12
deficiency.
Bronchoconstrictive disease (asthma) – (at determination of medical
professional).
The use with pediatric patients, especially age 1 to 4 years, requires caution and
specific protocols developed by the medical professional; upper age limit at
determination of medical professional. Weight limitations at the determination of
medical professional.
Contraindications
Inability to hold own face mask, impaired oxygenation, or hemodynamic
instability
Acute drug or alcohol intoxication or impaired consciousness (head injury,
endocrine or metabolic disease, patients taking antidepressant or psychotropic
drugs), psychologic impairment, patient who has taken medication to induce
sleep.
Decompression injuries, increased intracranial pressure, increased intraocular
pressure, intraocular surgery, bowel obstruction, middle ear surgery,
emphysema, pulmonary hypertension and others
Current upper respiratory tract infection, chronic obstructive pulmonary disease
(COPD), cystic fibrosis, shock, acute pulmonary edema (APE), pneumothorax,
and major chest or maxillofacial trauma, bleomycin therapy, recent
pneumoencephalography
Pregnancy (first trimester) – patient may wish to contact OBGYN / medical
professional
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