Common Rash, Erythema, Abnormal heart rhythm, Headache, Abnormal white blood cells, Shivering, Vomiting, Nausea, Abnormality of voluntary movements, Agitation, Apnea (absence of breathing), Nightmare, Liver dysfunction, Hyperventilation, Abnormal dreams, Abnormal behavior, Double vision, Hallucination, Thrombophlebitis, Generalized tonic-clonic seizure, Malignant hyperthermia (increased body temperature), Local site pain, Transient apnea, Increased respiratory rate , Stridor, Myoclonus, Hypertonia, Increased blood pressure, Tachycardia, Confusion, Increased white blood cell count (eosinophils), Slow heart rate, Respiratory depression, Nystagmus (involuntary eye movement), Decreased blood pressure.

Expert advice for Forane Inhaler


You will be continuously monitored for blood potassium levels during the operation, as the drug is known to raise blood potassium levels.
You may be constantly monitored during entire anaesthetic procedure to observe any signs of low blood pressure, changes in pulse rate, irregular heart beat and ventilation.
It may raise the intracranial pressure (the pressure inside the skull and thus in the brain tissue and cerebrospinal fluid) and impair the ability to drive or operate machinery for few days. 
Tell your doctor if you are or planning to become pregnant or are breastfeeding.
Do not take if allergic to isoflurane or any of its ingredients or any other inhalational anaesthetics.
Avoid if Patients has past or family history of malignant hyperthermia (rapid rise in body temperature).
Avoid if Patients has history of porphyria (a rare blood pigment disorder).

Q. Is Forane a controlled substance?
No, it's not a controlled substance

Q. Is Forane carcinogenic?
No, Forane not carcinogenic.