Primcyv 125mg Capsule is used to treat patients with certain types of breast cancer (estrogen receptor-positive, human epidermal growth factor receptor 2-negative) which have spread to other organs. It is given together with hormonal anticancer therapies. Primcyv 125mg Capsule should be taken with food, but try to have it at the same time every day to get the most benefits. Your doctor will decide what dose is necessary and how often you need to take it. This will depend on what you are being treated for and may change from time to time. You should take it exactly as your doctor has advised. Taking it in the wrong way or taking too much can cause very serious side effects. It may take several weeks or months for you to see or feel the benefits but do not stop taking it unless your doctor tells you to. Some common side effects of this medicine include fatigue, hair loss, rash, vomiting, and diarrhea. This medicine may reduce the number of blood cells (decrease red blood and white blood cells) in your blood, thereby, increasing the susceptibility to infections. It is better to inform your doctor if you notice symptoms of infection like fever, chills, and weakness, bleeding or bruising and nose bleed. It might also cause dizziness if it happens avoid driving or attention-seeking activities. Before taking it, tell your doctor if you have heart disease, liver, or kidney problems or are taking any medicines to treat infections. Many other medicines can affect, or be affected by, this medicine so let your healthcare team know all medications you are using. This medicine is not recommended during pregnancy or while breastfeeding. The use of effective contraception by both males and females during treatment is important to avoid pregnancy. There is a Patient Support Program / Patient Assistance Program available in India for this medicine, being managed by Tata 1mg. Please contact your prescribing doctor to know more about the same. You may also call on (1800-102-1618) for more details.