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ZEE Laboratories
30 Tablet
Exemestane
Keep in cold place
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Overview
Zemasin 25mg Tablet belongs to the category of anticancer medicines. These medicines are primarily used to treat patients diagnosed with breast cancer in women who have gone through menopause. The growth of cancer cells is uncontrollable and abnormal in the human body. It is difficult to diagnose cancer in the early stages. When diagnosed in advanced stages, only the symptoms of the disease can be reduced. Zemasin 25mg Tablet is usually given in combination with another anticancer medicine as a part of combination therapy to increase the efficacy of the treatment.
Breast Cancer, premenopausal ovarian suppression
Zemasin 25mg Tablet is a prescription-based anticancer medicine used in the treatment of breast cancer in women who have gone through menopause. The active ingredient of the Zemasin is Exemestane, which belongs to the drug class of aromatase inhibitor. It is taken orally with or without food as per doctor's advice. Zemasin Tablet works by killing the cancer cells thereby reducing the size of the tumor. In this way, it prevents cancer cells from spreading to other parts of the body. The required dosage and duration of the medicine are decided by the doctor. This depends on the disease being treated and the stage of the disease. The doctor will check medical history, age, health condition, and the body's response to the treatment before prescribing this medicine. Taking it in the wrong way or overdosing can cause severe side effects. It may take weeks for patients to notice the benefits of the medicine. So do not stop taking this tablet until your doctor says to do so.
The human body shows undesired symptoms after taking Zemasin 25mg Tablet. Usually, they disappear with time as the body adjusts to the medicine. These side effects don't need special medical attention. It is advised to consult your doctor if these symptoms become unmanageable.
Some of the common side effects of Zemasin Tablet are mentioned below:
Rash
Fatigue
Fracture
Diarrhea
Hair loss
Headache
Depression
Hot flushes
Muscle pain
Constipation
Breathlessness
Abdominal pain
Joint & back pain
Difficulty sleeping
Increased appetite
Nausea & vomiting
Swelling in hand and feet
Severe side effects
Low bone density
Severe allergic reactions
Low level of platelets in the blood
Increased level of liver enzyme
Decreased level of white blood cells
Zemasin 25mg Tablet is a prescription-based anticancer drug that should be administered orally. It is advised to take this tablet after consulting your healthcare expert.
Zemasin 25mg Tablet is an anticancer medicine that belongs to the drug class of aromatase inhibitors. This drug inhibits the enzyme aromatase, which is responsible for the conversion of estrogen (female hormone) from androgens (male hormone). By inhibiting the enzyme, it lowers the level of estrogen hormone. This is how It stops the growth of cancer cells and prevents them from spreading.

Alcohol
consult your doctor
The interaction of alcohol with this drug is still unknown. It is advisable not to consume alcohol while taking Zemasin 25mg Tablet. It is advised to consult your doctor for further information.

Pregnancy
consult your doctor
Zemasin 25mg Tablet may be considered unsafe during pregnancy. Please consult your doctor in such a condition.

Breast Feeding
consult your doctor
Zemasin 25mg Tablet is probably not safe if you're breastfeeding. Kindly consult your doctor.

Driving
unsafe
It is advisable not to drive or operate heavy machinery as you may feel dizzy after taking Zemasin 25mg Tablet.

Kidney
safe if prescribed
Share your medical history with your healthcare expert in case of kidney disease before taking Zemasin 25mg Tablet.

Liver
safe if prescribed
Inform your doctor before starting Zemasin 25mg Tablet if you have liver disease to avoid any serious side effects.
It is advised not to miss any scheduled dosage of Zemasin 25mg Tablet. In case you miss a dose, consult your doctor immediately.
Don't overdose to compensate for the missed one. Contact your doctor or any healthcare provider and seek medical attention immediately in such cases.
It is advised to use effective birth control ways and avoid pregnancy during the treatment with Zemasin Tablet.
Monitor your blood sugar & pressure, Kidney & Liver function (KFT & LFT), Heart function at proper intervals after taking Zemasin 25mg Tablet.
Swelling of hands & lips and weight gain are some of the side effects observed after taking Zemasin. To reduce them, the doctor may suggest some medication.
Skin becomes extremely sensitive after taking Zemasin 25mg Tablet. It is advised to cover your skin exposed to direct sun rays and use high SPF sunscreen before going out.
It is advised to avoid taking analgesics/ antacids (medicines used to neutralize the stomach acid) while taking Zemasin, as it may reduce the effectiveness of the medicine.
Keep your body hydrated as Diarrhea is one of the common side effects experienced after taking a Zemasin Tablet. Consult your doctor if it doesn't stop or if blood appears in your stools.
Doctors prescribe Zemasin 25mg Tablet to postmenopausal women for treatment of breast cancer.
No, Zemasin 25mg is not safe to use for men. It must be given to postmenopausal women only who are suffering from breast cancer.
Other drugs can interact with the Zemasin tablet and may interrupt its action to kill cancer cells. It is advised to tell your doctor before taking this tablet about any of the prescribed or non-prescribed medicine you're taking.
Yes, taking Zemasin causes low bone density. Your doctor will go for bone mineral density (BMD) test while taking this tablet to ensure healthy and strong bones.
Yes, in some cases, taking Zemasin may restart your periods. So, it is important to have a discussion with your doctor about this. If you may be pregnant, it is advised to use reliable contraceptives to avoid pregnancy.
ZEE Laboratories

Written By
Venika Choudhary
Medical Content Writer @ Magicine Pharma
I hold an M.Sc. in Microbiology and have a strong academic foundation in microbial sciences and applied biotechnology. I began my career with extensive hands-on research at CSIR laboratories, focusing on fungal enzyme production, studying fungal diversity in various ecosystems, and developing bio-pesticides as sustainable alternatives to chemical pesticides. This work deepened my understanding of fungal biology, bioactive compounds, and their pharmaceutical and agricultural applications. Transitioning from research, I now work as a medical content writer, where I combine my scientific expertise with a passion for clear and reliable healthcare communication. I apply my research background to create patient-friendly, compliant content for pharmaceutical companies and healthcare platforms, ensuring science is both trustworthy and accessible. Specializing in clear, accurate, and engaging content, I help patients make informed decisions and support pharmaceutical companies in delivering trusted information. Whether writing product descriptions, crafting disease awareness articles, or composing drug information leaflets, I consistently meet regulatory standards and address audience needs, making my content an asset for healthcare brands.

Reviewed By
Dr. Aditya Sarin - MBBS, MD, DrNB - Consultant Medical Oncology
Dr. Aditya Sarin, MBBS, MD, DrNB, is a highly qualified medical oncologist with profound research and clinical expertise, currently working at Sir Ganga Ram Hospital, New Delhi. He is also a member of the European Society of Medical Oncology (ESMO), a non-profit European organization dedicated to eradicating cancer by promoting comprehensive cancer care and advancing medical oncology. He has been honored with several awards, including the International Cancer Foundation scholarship (ESMO congress, 2022) and Young Medical Oncologist of the Year (Times of India, 2024). He is well-known for his breakthrough in oncology. Dr. Sarin is passionate about converting complex health information into a concise and clear form that is understandable to everyone, aiming to create awareness and cancer care among people.