Methohexital
別名: Brevital, Brevimytal, Brietal
Methohexital is a fast-acting anesthetic used exclusively in the hospital setting to induce sleep before surgery or short procedures. - **Rapid Action**: It works within seconds, allowing the veterinary team to quickly secure your pet's airway. - **Recovery**: Some pets, especially dogs, may experience a "rough recovery" (tremors, excitement, or vocalization) as they wake up. The veterinary team will monitor them closely and may use other medications to smooth this process. - **Safety**: Your pet's heart rate, breathing, and blood pressure will be continuously monitored while under the effects of this medication.
劑量必須由獸醫按你寵物的個別情況決定。切勿在沒有獸醫指導下給予人類藥物或其他寵物的處方藥。
用途
- Induction or sole anesthetic in non-premedicated cats
- Induction or sole anesthetic in premedicated cats
- Induction with premedication
- Induction or sole anesthetic in non-premedicated dogs
- Induction or sole anesthetic in premedicated dogs
給藥方式
可能的副作用
- Apnea
- Hypotension
- Muscle tremors
- Seizures during recovery
- Rough recoveries (especially in dogs)
- Profound respiratory depression
- Tissue necrosis (if extravasated)
注意事項與禁忌
- Absence of suitable veins for IV administration
- History of hypersensitivity reactions to barbiturates
- Status asthmaticus
- Cattle (due to unpredictable effects)
- > **WARNING**: Strictly for IV use. Perivascular extravasation causes severe tissue necrosis. Extravasation injuries can be treated with multiple infiltrates of sterile normal saline and lidocaine for pain. - **Relative Contraindications**: Seizure-prone animals, severe cardiovascular disease, preexisting ventricular arrhythmias, shock, increased intracranial pressure, myasthenia gravis, asthma, and conditions with prolonged hypnotic effects (e.g., severe hepatic disease, myxedema, severe anemia). - **Species Warnings**: NOT recommended for use in cattle due to unpredictable effects. - **Administration**: Repeated dosing or IV infusions are not recommended as recovery times can be significantly prolonged and increase the risk for complications.
藥物相互作用
- CNS Depressants (e.g., alpha2-agonists, opioids): Additive CNS and respiratory depression; premedication is usually preferred to reduce methohexital dosage required for inductions and to decrease rough recoveries.
常見問題
Methohexital用於寵物有甚麼用途？
Methohexital is a fast-acting anesthetic used exclusively in the hospital setting to induce sleep before surgery or short procedures. - **Rapid Action**: It works within seconds, allowing the veterinary team to quickly secure your pet's airway. - **Recovery**: Some pets, especially dogs, may experience a "rough recovery" (tremors, excitement, or vocalization) as they wake up. The veterinary team will monitor them closely and may use other medications to smooth this process. - **Safety**: Your pet's heart rate, breathing, and blood pressure will be continuously monitored while under the effects of this medication.
Methohexital對我的寵物安全嗎？
劑量必須由獸醫按你寵物的個別情況決定。切勿在沒有獸醫指導下給予人類藥物或其他寵物的處方藥。
本文僅供一般健康教育，不能取代專業獸醫意見。如寵物身體不適，請諮詢獸醫。