Primcyv 100mg Capsule

Palbociclib (100mg)

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Primcyv 100mg 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.

Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 22 May 2026 | 03:59 PM (IST)

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21 capsules

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General Information

Contains

Palbociclib (100mg)

Marketer

Dr Reddy's Laboratories Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Primcyv 100mg 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.

Uses of Primcyv Capsule

Breast cancer

Benefits of Primcyv Capsule

Breast cancer
Breast cancer occurs when abnormal cells in the breast grow uncontrollably and can spread to surrounding tissues or other parts of the body. Primcyv 100mg Capsule helps slow the growth and division of cancer cells, allowing healthy cells more time to recover. This supports better disease control, helps manage symptoms, and can improve treatment outcomes when used as part of a prescribed cancer therapy plan.

Side effects of Primcyv Capsule

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Primcyv

Fever
Diarrhea
Fatigue
Hair loss
Rash
Vomiting
Nausea
Decreased appetite
Infection
Stomatitis (Inflammation of the mouth)
Anemia (low number of red blood cells)
Weakness
Decreased white blood cell count
Decreased blood cells (red cells, white cells, and platelets)

How to use Primcyv Capsule

Take this medicine in the dose and duration as advised by your doctor. Primcyv 100mg Capsule should be taken with or after food.

How Primcyv Capsule works

Primcyv 100mg Capsule is an anti-cancer medication. Cyclin dependent kinase 4 and 6 (chemical messengers) are downstream of signaling pathways which lead to the proliferation of cells. This medicine works by inhibiting cyclin dependent kinase 4 and 6, thus arrests the cancer cell cycle (cell growing process). It also targets the estrogen (hormone) receptor-positive breast cancer cells by disrupting the cell cycle.

All substitutes for Primcyv 100mg Capsule

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

Take it with food, preferably at the same time every day.
If you forget to take the medicine or vomit, skip the missed dose and follow a regular schedule. Do not take a double dose to make up missed dose
Use effective contraception method to prevent pregnancy while taking this medicine.
It may cause dizziness. Avoid driving or any activity requiring mental focus until you know how it affects you.
You may be asked for regular blood tests while taking this medication. Inform your doctor if you notice symptoms of infection like fever, chills, and weakness.
Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Do not stop taking the medication without talking to your doctor first.
Take it with food, preferably at the same time every day.
If you forget to take the medicine or vomit, skip the missed dose and follow a regular schedule. Do not take a double dose to make up missed dose
Use effective contraception method to prevent pregnancy while taking this medicine.
It may cause dizziness. Avoid driving or any activity requiring mental focus until you know how it affects you.
You may be asked for regular blood tests while taking this medication. Inform your doctor if you notice symptoms of infection like fever, chills, and weakness.
Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Do not stop taking the medication without talking to your doctor first.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Primcyv 100mg Capsule. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Primcyv 100mg Capsule is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding

UNSAFE

Primcyv 100mg Capsule is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.

Driving

UNSAFE

Primcyv 100mg Capsule may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
It may cause fatigue in some people. If this happens, you should exercise caution when driving or using machines.

Kidney

CAUTION

Primcyv 100mg Capsule should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Primcyv 100mg Capsule should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Primcyv with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Severe

Carbamazepine (Oral Route)

Do not consume Palbociclib with Carbamazepine. Carbamazepine may reduce blood levels of Palbociclib.

Severe

Enzalutamide (Oral Route)

Do not consume Palbociclib with Enzalutamide. Enzalutamide may reduce blood levels of Palbociclib.

Severe

Fosphenytoin (Injection Route)

Do not consume Palbociclib with Fosphenytoin. Fosphenytoin may reduce blood levels of Palbociclib.

Severe

Phenobarbitone (Oral Route)

Do not consume Palbociclib with Phenobarbitone. Phenobarbitone may reduce blood levels of Palbociclib.

Severe

Phenobarbitone (Injection Route)

Do not consume Palbociclib with Phenobarbitone. Phenobarbitone may reduce blood levels of Palbociclib.

Frequently asked questions

What kind of medicine is Primcyv 100mg Capsule?

Primcyv 100mg Capsule is an anti-cancer medicine. Primcyv 100mg Capsule blocks proteins known as cyclin-dependent kinase inhibitors. Blocking these proteins can slow down the growth of cancer cells and delay the progression of the cancer.

How long do I have to take Primcyv 100mg Capsule?

The duration of treatment varies from person to person. Your doctor will decide the number of cycles you need to receive based on your condition, response to treatment and your tolerance to side effects. Your doctor may decrease your dose or stop your treatment temporarily or permanently if you experience certain side effects.

Are the side effects of Primcyv 100mg Capsule irreversible?

No, most of the side effects are reversible and disappear when the medicine is stopped. Neutropenia is a well-recognized adverse effect of Primcyv 100mg Capsule in which the number of your white blood cells get reduced and your immune system gets weakened. As a result, you may be at greater risk of getting an infection while you are taking Primcyv 100mg Capsule. However, this side effect disappears rapidly once you stop taking the medicine.

Does treatment with Primcyv 100mg Capsule require monitoring of blood counts?

Yes, blood tests are important since this medicine can lower your blood counts. The regular blood tests check the effect of Primcyv 100mg Capsule on your blood cells (white blood cells, red blood cells, and platelets). These tests should be done at the beginning of each chemotherapy cycle, on the 15th day of the first 2 cycles, and as clinically indicated.

How should I take Primcyv 100mg Capsule?

Generally, Primcyv 100mg Capsule is taken once daily for 21 consecutive days followed by 7 days off treatment to add up a complete cycle of 28 days. Take this medicine with food and at the same time each day. Swallow the whole capsules. Do not open, chew, or crush them. Do not take the capsules that are broken or cracked. If you vomit after taking Primcyv 100mg Capsule, do not take another dose and continue your regular dosing schedule.

Do I need to use birth control method while using Primcyv 100mg Capsule?

Women of childbearing potential who are receiving Primcyv 100mg Capsule and their partners should use adequate contraceptive methods (e.g. double-barrier contraception such as condom and diaphragm). These methods should be used during therapy and for at least 3 weeks after completing therapy for females. Men who are on Primcyv 100mg Capsule therapy should use birth control methods for at least 14 weeks after completing the therapy.

Does Primcyv 100mg Capsule affect fertility?

Male fertility may be affected during treatment with Primcyv 100mg Capsule. Thus, men may consider sperm preservation prior to beginning therapy with Primcyv 100mg Capsule.

What are the serious side effects of Primcyv 100mg Capsule?

The serious side effects of Primcyv 100mg Capsule include shortness of breath, dizziness, weakness, unusual bleeding or bruising or nosebleeds. It may also cause fever, chills or signs of infection and fast, irregular or pounding heartbeat. If you experience any of these symptoms, call your doctor immediately or get emergency medical treatment.

Fact Box

Chemical Class

Pyridinylpiperazines

Habit Forming

Therapeutic Class

ANTI NEOPLASTICS

Action Class

Cyclin-Dependent Kinase Inhibitor

Related lab tests

Breast Cancer (CA 15.3/ ER/ PR)

References

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Dr Reddy's Laboratories Ltd
Address: Dr. Reddy's Laboratories Ltd., Village Malpur, P.O.Bhud, Baddi, Dist. Solan, H.P.

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Primcyv 100mg Capsule. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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Primcyv 100mg Capsule

Primcyv 100mg Capsule

Payment

Return

Expiry after

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Primcyv Capsule

Benefits of Primcyv Capsule

Side effects of Primcyv Capsule

How to use Primcyv Capsule

How Primcyv Capsule works

All substitutes for Primcyv 100mg Capsule

Palnat 100 Capsule

Cydekin 100mg Capsule

Palbace 100mg Capsule

Isogen 100mg Capsule

Myciclib 100mg Capsule

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Carbamazepine (Oral Route)

Enzalutamide (Oral Route)

Fosphenytoin (Injection Route)

Phenobarbitone (Oral Route)

Phenobarbitone (Injection Route)

Frequently asked questions

What kind of medicine is Primcyv 100mg Capsule?

How long do I have to take Primcyv 100mg Capsule?

Are the side effects of Primcyv 100mg Capsule irreversible?

Does treatment with Primcyv 100mg Capsule require monitoring of blood counts?

How should I take Primcyv 100mg Capsule?

Do I need to use birth control method while using Primcyv 100mg Capsule?

Does Primcyv 100mg Capsule affect fertility?

What are the serious side effects of Primcyv 100mg Capsule?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Breast Cancer (CA 15.3/ ER/ PR)

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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