Orlistat

Orlistat is a medication used to assist with weight loss in adults. It works by preventing the absorption of some of the fat from the food you eat.

This medication is typically used in conjunction with a reduced-calorie diet and exercise to help people who are overweight or obese.

Information about Orlistat

Orlistat Uses

Orlistat is primarily used to help manage weight in certain individuals. It is often prescribed for:

  • Weight loss in overweight adults
  • Weight maintenance after initial weight loss
  • Reducing the risk of regaining weight after weight loss

How Orlistat Works

Orlistat works by inhibiting the action of lipase, an enzyme involved in the breakdown of dietary fats. This means that a portion of the fat you consume is not absorbed by your body.

By reducing fat absorption, Orlistat helps to decrease the number of calories your body takes in, which can lead to weight loss when combined with a suitable diet and exercise.

Common side effects of Orlistat

While not everyone experiences side effects, some individuals may encounter mild and temporary symptoms. Common side effects include:

  • Oily or fatty stools
  • Increased bowel movements
  • Abdominal pain or discomfort
  • Flatulence with discharge
  • Fatty or oily discharge
  • Soft stools

If you experience serious or persistent symptoms, it is important to contact your doctor.

CONTENT DETAILS

Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)

Medicine brands for Orlistat

  • Obelit
    Dosage: 60-mg, 120-mg
    from $26.0011 variant(s)
  • Xenical
    Dosage: 60mg, 120mg
    from $36.0018 variant(s)
  • Trim Z
    Dosage: 120 mg
    from $40.001 variant(s)
  • Orlijohn
    Dosage: 120 mg
    from $46.006 variant(s)
  • Alli
    Dosage: 60mg
    from $33.007 variant(s)
  • Orligal
    Dosage: 120-mg
    from $10.004 variant(s)
  • Slim Trim Active
    Dosage: 60 mg, 120 mg
    from $43.005 variant(s)
  • Vyfat
    Dosage: 120-mg
    from $32.003 variant(s)
  • Orlistat
    Dosage: 60mg, 120mg
    from $47.0011 variant(s)
  • Slimfast
    Dosage: 120-mg
    from $16.003 variant(s)

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Expert advice for Orlistat

  • Maintain a balanced diet with controlled fat intake to minimize side effects.
  • Avoid consuming high-fat meals to reduce gastrointestinal discomfort.
  • Monitor your vitamin levels, as Orlistat may affect the absorption of fat-soluble vitamins.
  • Limit alcohol consumption while taking this medication.
  • Consult your doctor if you experience any unusual symptoms or have existing health conditions.

Always consult your healthcare provider for personalized advice and guidance.

Frequently Asked Questions

How does Orlistat help with weight loss?

Orlistat helps by reducing the absorption of dietary fat, which decreases calorie intake and aids in weight loss.

How long does it take for Orlistat to work?

The effects of Orlistat can be observed as part of a weight loss plan, but the exact time frame varies for each individual.

Can I take Orlistat if I am pregnant?

Orlistat is not recommended during pregnancy. Consult your doctor for advice specific to your situation.

Can Orlistat interact with other medications?

Orlistat may interact with certain medications. It is important to discuss all your current medications with your doctor before starting Orlistat.

What should I do if I miss a dose of Orlistat?

If you miss a dose of Orlistat, take it as soon as you remember, unless it is close to your next meal. Do not double up on doses.

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