| Take by mouth exactly as directed by your doctor, usually one pill daily. The full effect on weight may require four to six weeks. Do not increase your dose, take it more frequently or use it for a longer period of time than prescribed because this drug can be habit-forming. Also, if used for a longer period of time, do not suddenly stop using this drug without your doctor's approval. Over time, this drug may not work as well as it did at the beginning. Consult your doctor if weight increases. Tell your doctor of all nonprescription and prescription medication you may use, especially other weight reducing agents (e.g., diethylpropion), drugs that can raise blood pressure such as decongestants (e.g., pseudoephedrine, phenylpropanolamine), cough suppressants (e.g., dextromethorphan), antidepressants (e.g., nefazodone, fluoxetine, paroxetine, sertraline, fluvoxamine, venlafaxine), lithium, psychiatric medications (e.g., MAO Inhibitors such as selegiline, moclobemide, furazolidone, phenelzine, tranylcypromine), drugs for migraines (e.g., dihydroergotamine, sumatriptan), tryptophan, certain narcotic pain relievers (e.g., meperidine, pentazocine, fentanyl), ketoconazole, erythromycin, high blood pressure medicine or any drugs which can cause drowsiness, including certain antihistamines (e.g., diphenhydramine), sedatives and anti-seizure drugs. Antihistamines and decongestants may be found in many nonprescription drugs for cough and cold. Consult your pharmacist. MAO Inhibitors (see above) and this drug should not be taken together. If an MAO Inhibitor or this drug is stopped, wait 2 weeks before starting the other drug. Tell your doctor of all prescription and nonprescription medication you use, especially of: cyclosporine, "blood thinners" (e.g., warfarin), drugs for diabetes (e.g., insulin), other drugs used for weight loss. Cyclosporine should be taken at least 2 hours before or after orlistat to assure maximum absorption of the cyclosporine into your bloodstream. Do not start or stop any medicine without doctor or pharmacist approval. Dry mouth, drowsiness, constipation and difficulty sleeping may occur. If these effects persist or worsen, notify your doctor promptly. Xenical medication is used with a reduced-calorie diet to help significantly overweight persons lose weight. It also helps to prevent regaining weight previously lost. Orlistat works by blocking some of the fat normally digested by the intestine. |