Unless you are in a calorie deficit, usually achieved by eating less and exercising more, weight loss will not occur. By blocking a portion of dietary fat from ever being absorbed, taking orlistat may stop your body from storing some of the fat you ingest from your meals. As a result, you may have an easier time shedding some excess weight through diet and exercise. When you take orlistat, your body will absorb some fat calories and block the rest.
This undigested fat then passes out of your body with your stools. In this way, it can stop you from gaining more weight. Prescription-strength orlistat works by blocking about 30 per cent of the fat you ingest while eating. Alli, which is not as strong, may block about 15 per cent. This weight loss medicine is known for offering consistent yet modest results.
Orlistat has been shown in studies to help obese patients lose weight and shrink their waistline. One study published in found that participants who took milligrams of orlistat three times a day saw a significant drop in weight and a smaller waist circumference after 24 weeks.
Everyone who participated in the study started with a BMI of 30 or higher. In , researchers published a review of previous clinical trials and reviews of orlistat, looking at controlled trials conducted between and Orlistat starts working right away, so you may begin to notice a difference within the first two weeks.
If you have not experienced any weight loss within the first 1 month of using orlistat, you may wish to reconsider your chosen method of weight loss. You should also visit your pharmacist, to see if any changes can be made to help you improve your diet and exercise regime. After three months, your doctor or pharmacist may want to discuss your results with you.
Or, they may talk to you about changes you can make to your diet and your exercise habits to help increase the effects of taking orlistat. Instead, it stops your body from accumulating more stored fat from the food you eat.
They can help you decide what steps to take next. Tell your pharmacist or doctor if, for any reason, you have not taken your medicine exactly as prescribed.
Otherwise, your pharmacist or doctor may think that it was not effective and change your treatment unnecessarily. If you have high blood sugar or cholesterol levels, your doctor may ask you to have regular blood tests to monitor your blood sugar or blood cholesterol levels.
To gain the most benefit from Xenical you should follow the nutrition program recommended to you by your doctor or pharmacist. As with any weight-control program, over-consumption of fat and calories may counteract any weight loss effect. Do not take any other medicines whether they require a prescription or not without first telling your pharmacist or doctor. People on a weight reduction diet may become deficient in some vitamins and minerals.
Because Xenical works by preventing the absorption of some of the fat from the diet, it may affect absorption of some fat-soluble nutrients. Although most people taking Xenical will still have normal vitamin levels, you should take a multivitamin supplement containing fat-soluble vitamins. This supplement should be taken at least 2 hours before or after Xenical, or at bedtime.
Xenical can cause harmless changes in your bowel habits, such as fatty or oily stools. This is due to the removal of undigested fat in your faeces. The possibility of this happening will increase if Xenical is taken with a diet high in fat.
In addition, your daily intake of fat should be distributed over 3 main meals. If Xenical is taken with any one meal very high in fat, the possibility of unwanted effects on the digestive system will increase. Keep your capsules in the blister pack until it is time to take them: and keep the blister packs inside the original carton to protect from light and moisture. Do not leave it in the car or on window sills or other places where it may get hot, even for a short period.
A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines. If your pharmacist or doctor tells you to stop taking Xenical, or the capsules have passed their expiry date, ask your pharmacist what to do with any capsules that are left over.
Xenical is an S3 Pharmacist Only Medicine. Tell your pharmacist or doctor as soon as possible if you do not feel well while you are taking Xenical. Xenical helps most people who are overweight or obese but it may have unwanted side effects in a few.
All medicines can have side effects. Sometimes they are serious, most of the time they are not. You may need medical treatment if you get some of the side effects. The majority of unwanted effects related to Xenical use result from its local action in your digestive system.
Tell your pharmacist or doctor if you have type II diabetes and you notice any of the following and they worry you:. Normally, these symptoms disappear if you continue treatment and keep to your recommended diet. These symptoms are generally mild, occur at the beginning of treatment, go away after a short period of time and are particularly experienced after meals containing high levels of fat.
If any of the following happen, tell your doctor immediately or go to Accident and Emergency at your nearest hospital:. The above list includes very serious side effects. You may need urgent medical attention or hospitalisation. These side effects are very rare if consistent with the frequencies in the PI. View more information about myVMC. Please be aware that we do not give advice on your individual medical condition, if you want advice please see your treating physician.
Parenting information is available at Parenthub. Are you a Health Professional? Jump over to the doctors only platform. Click Here. Generic Name: orlistat Product Name: Xenical Indication: What Xenical is used for Xenical is used to treat people who are obese BMI 30 or higher or overweight BMI 27 or higher with other risk factors eg high blood pressure , high cholesterol , high blood lipid profile. For instance, if you consume calories a day, a maximum of calories should come from fat.
People with type-2 diabetes may find that the effects of Orlistat are reduced, but not completely. Orlistat is the only UK licensed medication that is clinically proven to reduce weight loss. However, it is not as simple as taking the capsules and then seeing instant results.
Orlistat does work, but in order for it to be effective, you must be committed to reducing your weight by adopting a healthy diet and adhering to a suitable exercise program. Or browse all treatments or conditions. Dr Don Grant is The Independent Pharmacy's original online prescriber and has advanced in his role to become the Clinical Advisor, using his wealth of experience to advise on our clinical polices and prescribing guidelines. What is Orlistat?
Orlistat can be bought online today with a prescription. All you need to do is complete a short health consultation and get your treatment delivered as soon as the next day.
Related Guides Weight Loss. Written by Andy Boysan Published 3 Aug Weight Loss. Is Xenical right for you? Last updated: 25 May Read our latest article on weight loss treatments where we compare medications such as Xenical and Saxenda, and very low energy diets such as Optifast.
How does Xenical work? Possible risks and side effects of Xenical Because you don't absorb all the fat you eat when taking Xenical, the most common side effects are gastro-intestinal problems, including: oily bowel movements frequent bowel motions and flatulence diarrhoea abdominal pain. Who can use Xenical? You're only eligible to take Xenical if you have: a BMI body mass index of 30 and over; or a BMI of 27 and over with other risk factors like diabetes or high blood pressure. How do you get it?
They're expected to check: weight, height and BMI health status existence of conditions such as diabetes, high blood pressure, osteoporosis, for example age factors contributing to excess weight including genetic influences, life states and events, and medical conditions or treatments.
How much does Xenical cost? What's the problem with Xenical being available without a prescription? Exercise: Walks three to four hours a week, and swims regularly.
Health: No obesity co-morbidities such as diabetes, high blood pressure. Here are the details: Less than one third of the pharmacies measured or asked for her height and weight. These details are needed to calculate BMI, which should be considered before supplying Xenical. Her BMI was calculated in just nine pharmacies in one of these she had to do the calculation herself.
Three of these pharmacies went on to sell her Xenical. Two correctly calculated her BMI as 25, but sold Xenical to her anyway.
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