<unk> , sold under the brand name Forane among others, is a general anesthetic. It can be used to start or maintain anesthesia; however, other medications are often used to start anesthesia rather than<unk> , due to airway irritation with<unk> .<unk>  is given via inhalation. Side effects of<unk>  include a decreased ability to breathe (respiratory depression), low blood pressure, and an irregular heartbeat. Serious side effects can include malignant hyperthermia or high blood potassium. It should not be used in patients with a history of malignant hyperthermia in either themselves or their family members. It is unknown if its use during pregnancy is safe for the fetus, but use during a cesarean section appears to be safe.<unk>  is a halogenated ether.<unk>  was approved for medical use in the United States in 1979. It is on the World Health Organization's List of Essential Medicines.
Isoflurane
Methoxyflurane
Desflurane
Halothane
Sevoflurane
Etomidate
Ketamine
Remifentanil