Megestrol Acetate
Megestrol Acetate is a synthetic progestin primarily used in oncology and palliative care for its dual roles: treating hormone-sensitive cancers (e.g., breast/endometrial) and stimulating appetite in cachexia (wasting syndrome). In cancer, it modifies hormonal pathways, while its appetite-stimulating effect helps counteract severe weight loss in patients with AIDS or cancer. This API is a key supportive therapy for improving nutritional status and quality of life.
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Megestrol Acetate is a synthetic progestin primarily used in oncology and palliative care for its dual roles: treating hormone-sensitive cancers (e.g., breast/endometrial) and stimulating appetite in cachexia (wasting syndrome). In cancer, it modifies hormonal pathways, while its appetite-stimulating effect helps counteract severe weight loss in patients with AIDS or cancer. This API is a key supportive therapy for improving nutritional status and quality of life.
What is Megestrol Acetate?
Megestrol Acetate is a prescription hormonal medicine used to manage loss of appetite, unintentional weight loss, and certain hormone-dependent cancers. It helps improve body weight in patients experiencing severe weakness and supports better nutrition during long-term illness. Healthcare providers often recommend this therapy for patients who need appetite stimulation or cancer-related symptom control. The following sections explain how the treatment works, dosage details, safety precautions, and who can take it safely.
Megestrol Acetate used for
Megestrol Acetate is commonly prescribed for:
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Appetite stimulation in patients with significant weight loss
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Cancer-related anorexia and cachexia
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Breast cancer and endometrial cancer (hormone-dependent)
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Improving calorie intake during chronic illness
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Supporting weight gain in elderly or weak patients
Its ability to increase appetite makes it important in clinical nutrition and cancer care.
Chemical composition
The main active ingredient is Megestrol Acetate, a synthetic progestin.
Inactive excipients vary by brand and may include fillers, stabilizers, preservatives, and binding agents.
This medicine is usually available in tablet or oral suspension form depending on medical needs.
Megestrol Acetate mechanism
Megestrol Acetate works through several actions:
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Hormonal activity
It acts like a progesterone-based hormone, influencing certain tissues and slowing the growth of hormone-sensitive cancer cells. -
Appetite stimulation
It affects areas of the brain that control hunger, leading to increased appetite and improved food intake. -
Anti-inflammatory and metabolic effects
It helps reduce inflammation and promotes better energy balance, supporting weight gain.
These combined effects make the medicine useful in both cancer treatment and nutritional support.
How does it help improve appetite and weight?
Megestrol Acetate supports recovery by:
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Boosting appetite
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Increasing the desire to eat more frequently
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Improving calorie absorption
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Helping the body gain or maintain weight
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Reducing fatigue related to poor nutrition
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Supporting patients undergoing cancer treatment
Many individuals notice a gradual improvement in eating habits within a few weeks of starting therapy.
What are the other benefits?
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Helps manage symptoms of advanced cancers
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Supports physical strength during long-term therapy
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Improves overall quality of life in patients with appetite loss
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Can reduce the need for additional nutritional supplements
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May ease certain cancer-related hormonal symptoms
Dosages
Available strengths or dosage
Megestrol Acetate is available in:
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Tablets (commonly 20 mg, 40 mg)
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Oral suspension (often 40 mg/mL, 125 mg/mL)
- Megestrol Acetate 40mg
Your doctor will select the strength based on your condition, age, and treatment goals.
How and when to take it
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Take the medicine exactly as prescribed
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Tablets should be swallowed with water
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Oral suspension must be shaken well before each dose
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It may be taken with or without food unless your doctor advises otherwise
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Try taking it at the same time daily for best results
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Do not change your dose without medical supervision
If you miss a dose, take it as soon as you remember unless it is near the next scheduled dose.
Overdose caution
Taking more than the recommended amount may cause:
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Severe tiredness
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Breathing difficulty
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Mood changes
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Fluid retention
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Blood sugar imbalance
Seek immediate medical care if overdose symptoms appear. Keep the medicine out of reach of children.
Who can use/take Megestrol Acetate?
This medicine may be suitable for:
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Adults with severe weight loss
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Cancer patients needing appetite support
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Individuals with poor nutritional intake
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Patients recovering from long-term illness or chronic conditions
Use caution or avoid if:
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You are pregnant or planning pregnancy
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You have a history of blood clots
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You have diabetes or adrenal problems
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You have heart, kidney, or liver disease
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You are breastfeeding
Children should not take Megestrol Acetate unless strictly supervised by a healthcare provider.
Side Effects & Precautions
What are the side effects?
Common side effects include:
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Weight gain
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Increased appetite
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Swelling in legs or hands
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Tiredness
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Mild digestive discomfort
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Mood changes
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Blood sugar increase (especially in diabetic patients)
More serious but less common effects may include blood clots, breathing issues, or severe swelling.
What are the Precautions to avoid side effects?
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Inform your doctor if you have diabetes or a history of clotting disorders
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Monitor your weight regularly
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Avoid smoking, as it increases clotting risk
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Do not stop the medicine suddenly without medical advice
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Stay hydrated and maintain a balanced diet
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Discuss all current medicines to avoid drug interactions
Always consult your doctor before use. If prescribed, you can order Megestrol Acetate tablets online safely from trusted pharmacy sources and ensure timely refills to maintain your treatment progress.