Essential Facts You Need to Know About Megestrol Tablets!

Essential Facts You Need to Know About Megestrol Tablets! | Nirogi Lanka

Physician Reviewed — Not Medical Advice

Has your doctor prescribed Megestrol for you? Perhaps you know someone who is taking it? It is natural to have questions about what this medication is, why it is used, and what you should watch out for. Let’s break it down in a simple, easy-to-understand way for you here at Nirogi Lanka.

Megestrol belongs to a class of medications called progestins. Simply put, it is a synthetic hormone designed to mimic the natural hormones produced by your body. These tablets are primarily used to treat advanced breast cancer and endometrial cancer (cancer of the lining of the uterus). In these cases, the hormone helps control the growth of cancer cells.

However, doctors may sometimes prescribe Megestrol for other conditions beyond these types of cancer. For example, it is occasionally used to help improve appetite and promote weight gain in patients. If you have any concerns, your best resource is your doctor or the pharmacist at your local pharmacy. You may often find this medication under the brand name Megace.

What should you tell your doctor before starting this medication?

Before you start taking Megestrol, it is vital to give your doctor a complete picture of your health. Even seemingly minor issues are important, as they might require your doctor to adjust your dose or monitor you more closely.

Please make sure to inform your doctor about the following:

  • Any adrenal gland disorders (the glands located on top of your kidneys that produce hormones).
  • If you have diabetes.
  • A history of blood clots in your legs, lungs, or elsewhere in your body. This is extremely important.
  • Any history of kidney disease.
  • Any history of liver disease.
  • A history of stroke.
  • Any allergic reaction you have had to Megestrol, other medications, foods, dyes, or preservatives.
  • Most importantly: if you are pregnant or planning to become pregnant, you must disclose this immediately. We will discuss this in more detail shortly.
  • If you are breastfeeding.

Providing this information allows your doctor to determine if this treatment is safe and appropriate for your specific needs.

How should you take this medication?

Megestrol is an oral medication. Always follow the instructions provided on your prescription label exactly.

  • Dosing: Never take more than your prescribed dose, and do not take it more frequently than directed.
  • Consistency: Take your doses at the same time each day to maintain steady levels in your body.
  • Discontinuation: Do not stop taking this medication suddenly without consulting your doctor. Doing so could cause complications. Your doctor will advise you on how to taper off the dose if necessary.

If this medication is for a child, please speak with your doctor for specific guidance, as pediatric use requires careful oversight.

What if you accidentally take too much?

If you suspect you have taken more than your prescribed dose, do not panic. Call your local emergency services (911) immediately or proceed to the nearest hospital emergency department for evaluation.

One final reminder: this medication is prescribed specifically for you. Do not share it with others, even if they show the same symptoms. Every individual’s body reacts differently to medications.

What should you do if you miss a dose?

If you forget a dose of Megestrol, take it as soon as you remember. However, if it is nearly time for your next dose, skip the missed one entirely. Never take a double dose to make up for a missed one. Doubling up increases the risk of side effects. If you are unsure, contact your pharmacist or doctor.

Potential drug interactions

Certain substances can interfere with how Megestrol works, which we call “drug interactions.” You must inform your doctor about all medications you take—not just prescription drugs, but also over-the-counter pain relievers, vitamins, herbal remedies, Ayurvedic treatments, and dietary supplements. Also, disclose any use of alcohol, tobacco, or other substances.

Specifically, you should generally not take Megestrol if you are using:

  • Dofetilide (a medication used for heart rhythm disorders).

Other medications can also interact with Megestrol, such as:

  • Indinavir (a medication used for HIV infection).

This list is not exhaustive. Always consult your doctor before starting or stopping any medication.

Important considerations while on this medication

While taking Megestrol, stay proactive about your health.

  • Regular Medical Appointments: Attend all your follow-up appointments so your doctor can monitor your progress and check for side effects. Even if you feel better, continue taking the medication as directed until your doctor says otherwise. It may take up to two months to determine if the treatment is effective for your condition.
  • Pregnancy and Birth Control:

This is critically important! Please remember this. If you are planning to become pregnant or believe you may already be pregnant, you must immediately inform your doctor. Taking Megestrol during pregnancy can lead to serious birth defects. Consequently, before starting this medication, your doctor will perform a pregnancy test to ensure you are not pregnant. Furthermore, it is mandatory to use highly effective contraception throughout the entire duration of your treatment and for a specified period after you stop taking the medication. Discuss this thoroughly with your doctor to select the safest and most suitable method for you.

  • For Patients with Diabetes: If you have diabetes, this medication can affect your blood sugar levels, often causing them to rise. Please monitor your blood sugar regularly at home (if you have a glucometer). Consult your doctor to establish how often you should check your levels and which specific fluctuations warrant reporting.

What are the potential side effects of this medication?

Like any medication, Megestrol can cause side effects. However, not everyone experiences them; some may have no side effects at all. It is important to stay informed about potential symptoms.

Side effects requiring immediate medical attention:

If you experience any of the following, do not ignore them. Contact your doctor or emergency services (call 911 if necessary) immediately.

  • Signs of an allergic reaction: Such as skin rashes, severe itching, hives, or swelling of the face, lips, tongue, or throat. If these are accompanied by difficulty breathing, seek emergency care.
  • Breathing problems: Including wheezing or a feeling of chest tightness.
  • Dizziness: Especially when standing up.
  • Increased blood pressure: If you have a home BP monitor and see readings consistently higher than your normal range, contact your doctor.
  • Signs and symptoms of a blood clot: These are life-threatening and require immediate intervention:
  • Sudden shortness of breath or chest pain (especially if it worsens when breathing).
  • Vision changes (sudden blurring or double vision).
  • Sudden, severe headache.
  • Pain, swelling, redness, or warmth in one leg.
  • Difficulty speaking or slurred speech.
  • Sudden numbness or weakness in the face, arm, or leg (typically on one side of the body).
  • Swelling: Specifically in the ankles, feet, or hands due to fluid retention.
  • Unusual weakness or extreme fatigue.
  • Persistent vomiting.

Side effects that may not require urgent care (but should be reported if persistent or bothersome):

These symptoms often subside over time, but please notify your doctor if they persist or significantly impact your quality of life.

  • Breakthrough menstrual bleeding or changes in your menstrual cycle.
  • Changes in sex drive or sexual performance.
  • Diarrhea.
  • Gas or bloating.
  • Hot flashes or flushing.
  • Increased appetite (sometimes an intended effect of the treatment).
  • Upset stomach or nausea.
  • Weight gain (also sometimes an intended clinical outcome).

This list is not exhaustive. If you notice any other unusual or concerning symptoms, discuss them with your doctor. You may also report side effects to the FDA at 1-800-FDA-1088.

How to store this medication: Very important!

Proper storage maintains the efficacy of your medication and ensures safety.

  • Store this medication out of reach of children and pets, in a high, lockable location. This is crucial.
  • Keep it at room temperature (15 to 30 degrees Celsius / 59 to 86 degrees Fahrenheit) in a dry place, away from direct sunlight. Do not store medications in humid areas like bathrooms.
  • Protect from extreme heat exceeding 40 degrees Celsius (104 degrees Fahrenheit).
  • Safely dispose of expired medications. Consult your local pharmacist for proper disposal methods.

Take-Home Message

Megestrol is an important medication used to treat certain cancers and, in some cases, to improve appetite. Keep the following in mind while using this medication:

  • Before starting, provide your doctor with a complete medical history, including all other medications, vitamins, and herbal supplements you are taking.
  • If you are pregnant, planning to become pregnant, or breastfeeding, consult your doctor before use. It is vital for both your health and that of your child. Adhere strictly to contraception protocols.
  • Take the medication exactly as prescribed—at the correct time and dose. Do not skip doses. If you miss a dose, follow your doctor's instructions.
  • Report any side effects immediately, especially signs of blood clots or allergic reactions.
  • Never hesitate to ask your doctor or pharmacist if you have any questions or concerns. Your health is the priority.

This article provides a summary of Megestrol. It is general information only. Your doctor is the only person qualified to determine how this medication affects your personal health. Always consult your healthcare provider or pharmacist for tailored advice. Nirogi Lanka is here to support your journey to health.


Keywords: Megestrol, Cancer, Breast Cancer, Uterine Cancer, Hormone Therapy, Medication Side Effects