Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. 1  Posaconazole. 2  Probenecid. 3  Pyrimethamine. 4  St John's Wort. 5  Theophylline. 6  Valproic Acid.
Smoking not only has harmful effects on general health but can also increase the risk when having anaesthesia and surgery. Smoking is associated with heart disease, peripheral vascular (blood vessel) disease and multiple types of cancer, including lung, throat, and oesophagus (food tube) and bladder cancer.It can also cause emphysema and chronic bronchitis.mokers have a decreased ability to carry oxygen in the blood, however ceasing smoking for more than 12 hours greatly improves the ability of the blood to carry oxygen. There is also evidence of increased respiratory complications during and after general anaesthesia in children exposed to environmental tobacco smoke.
How long do the effects of general anesthesia last? General anesthesia is usually a combination of inhaled anesthesia gases and intravenous medications. If you have no medical problems, modern anesthesia gases leave the body within 24 hours. Intravenous medications are filtered through the kidneys and/or liver and may take 24 to 48 hours. Within 72 hours all side effects associated with general anesthesia should be gone.