Generic Name: pembrolizumab (Intravenous route)
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
- Powder for Solution
Therapeutic Class: Antineoplastic Agent
Pharmacologic Class: Monoclonal Antibody
Uses For Keytruda
Pembrolizumab injection is used to treat melanoma (a type of skin cancer) that has spread or cannot be removed by surgery.
Pembrolizumab injection is also used to treat non-small cell lung cancer (NSCLC) and head and neck squamous cell cancer (HNSCC) that has spread. It is only used after receiving platinum-containing chemotherapy.
Pembrolizumab is a monoclonal antibody that changes the immune system to help control the growth of cancer cells.
This medicine is to be given only by or under the immediate supervision of your doctor.
Before Using Keytruda
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of pembrolizumab injection in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of pembrolizumab injection in the elderly.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
- Measles Virus Vaccine, Live
- Mumps Virus Vaccine, Live
- Rubella Virus Vaccine, Live
- Varicella Virus Vaccine
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Adenovirus Vaccine
- Bacillus of Calmette and Guerin Vaccine, Live
- Cholera Vaccine, Live
- Influenza Virus Vaccine, Live
- Poliovirus Vaccine, Live
- Smallpox Vaccine
- Typhoid Vaccine
- Yellow Fever Vaccine
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Colitis (inflammation of the intestine) or
- Diabetic ketoacidosis or
- Hepatitis (inflammation of the liver) or
- Hyperthyroidism (high levels of thyroid hormone) or
- Hypophysitis (inflammation of the pituitary gland) or
- Hypothyroidism (low levels of thyroid hormone) or
- Nephritis (inflammation of the kidneys) or
- Pneumonitis (inflammation of the lungs) or
- Type 1 diabetes—Use with caution. May make these conditions worse.
Proper Use of Keytruda
A nurse or other trained health professional will give you this medicine. This medicine is given through a needle placed in one of your veins. It must be given slowly, so the needle will remain in place for 30 minutes and the infusion will be given every 3 weeks.
This medicine comes with a Medication Guide. It is very important that you read and understand this information. Be sure to ask your doctor about anything you do not understand.
This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.
Precautions While Using Keytruda
It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant during therapy and for 4 months after the last dose of this medicine. If you think you have become pregnant while using the medicine, tell your doctor right away.
Tell your doctor right away if you have a cough, shortness of breath, chest tightness, or any type of breathing problem with this medicine. These could be symptoms of a serious lung problem.
Colitis (inflammation of the colon) may occur with this medicine. Tell your doctor right away if you have stomach pain or tenderness, watery or bloody diarrhea, or a fever after receiving the medicine.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, a loss of appetite, nausea, unusual tiredness or weakness, or yellow eyes or skin. These could be symptoms of a serious liver problem.
Serious problems with the adrenal, pituitary, or thyroid glands (hormone glands) may occur while you are receiving this medicine. Tell your doctor if you start having continuing or unusual headaches, changes in mood or behavior (eg, being irritable or forgetful), lightheadedness, dizziness, or fainting, unusual sluggishness, or an increase in weight.
This medicine may affect blood sugar levels. If you notice a change in the results of your blood or urine sugar tests or if you have any questions, check with your doctor.
Tell your doctor right away if you have bloody or cloudy urine, nausea or vomiting, trouble breathing, swelling of the face, feet, or lower legs, unusual tiredness or weakness, or unusual weight gain.
Tell your doctor right away if you have a rash, changes in eyesight, severe or persistent muscle or joint pain, or severe muscle weakness after receiving this medicine.
This medicine may cause infusion-related reactions. These can be life-threatening and require immediate medical attention. Tell your doctor right away if you start to have a fever, chills or shaking, dizziness, trouble breathing, itching or rash, lightheadedness or fainting after receiving this medicine.
Keytruda Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur:More common
- Bloating or swelling of the face, arms, hands, lower legs, or feet
- body aches or pain
- depressed mood
- difficulty with breathing
- difficulty with moving
- dry skin and hair
- ear congestion
- feeling cold
- hair loss
- hoarseness or husky voice
- loss of voice
- muscle cramps, pain, and stiffness
- pain in the joints
- pale skin
- rapid weight gain
- runny or stuffy nose
- slowed heartbeat
- sore throat
- tingling of the hands or feet
- trouble breathing
- troubled breathing with exertion
- unusual bleeding or bruising
- unusual tiredness or weakness
- unusual weight gain or loss
- Chest pain
- general feeling of discomfort or illness
- sensitivity to heat
- stomach cramps
- thickening of bronchial secretions
- trouble sleeping
- watery or bloody diarrhea
- weight loss
- Back, leg, or stomach pains
- bleeding gums
- blurred vision or other change in vision
- cracks in the skin
- darkened urine
- difficulty with moving
- eye pain
- fast heartbeat
- general body swelling
- general tiredness and weakness
- light-colored stools
- loss of appetite
- loss of heat from the body
- nausea or vomiting
- pain, swelling, or redness in the joints
- pains in the stomach, side, or abdomen, possibly radiating to the back
- pale skin
- red, swollen skin
- redness of the eye
- scaly skin
- sensitivity of the eye to light
- sore throat
- upper right abdominal or stomach pain
- yellow eyes and skin
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- Decreased appetite
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
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