Xenical (Orlistat) 120mg capsules are a prescription medication designed to aid in weight loss and prevent weight regain in individuals with a Body Mass Index (BMI) of 30 or higher, or those with a BMI of 28 or higher accompanied by weight-related health issues. Xenical functions by inhibiting the absorption of dietary fats in the intestines, thereby reducing overall calorie intake.
Dosage and Administration:
- Recommended Dose: One 120mg capsule taken with water immediately before, during, or up to one hour after each main meal. If a meal is missed or contains no fat, the dose should be omitted.
- Dietary Considerations: It is essential to adhere to a nutritionally balanced, mildly hypocaloric diet that contains approximately 30% of calories from fat. Distributing daily fat, carbohydrate, and protein intake over three main meals can help minimize gastrointestinal side effects.
Side Effects:
Common side effects are primarily gastrointestinal due to the unabsorbed fat and may include:
- Fatty or oily stools
- Oily spotting
- Urgent or increased bowel movements
- Flatulence with discharge
These side effects are generally mild, transient, and occur early in the treatment. Adhering to a low-fat diet can reduce the likelihood of these effects.
Precautions:
- Nutrient Absorption: Xenical may impair the absorption of fat-soluble vitamins (A, D, E, and K). A multivitamin supplement is recommended, to be taken at least two hours before or after Xenical.
- Medical Conditions: Inform your healthcare provider if you have a history of chronic malabsorption syndrome or cholestasis.
- Medication Interactions: Xenical may interact with certain medications, including ciclosporin, levothyroxine, and anticoagulants. Consult your doctor for a comprehensive list of potential interactions.
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