Do not receive KEYTRUDA QLEX if you are allergic to
berahyaluronidase, hyaluronidase or any of the inactive
ingredients in KEYTRUDA QLEX.
KEYTRUDA and KEYTRUDA QLEX are medicines that may treat
certain cancers by working with your immune system.
KEYTRUDA and KEYTRUDA QLEX can cause your immune system to
attack normal organs and tissues in any area of your body
and can affect the way they work. These problems can
sometimes become severe or life-threatening and can lead
to death. You can have more than one of these problems at
the same time. These problems may happen any time during
treatment or even after your treatment has ended.
Call or see your health care provider right away if you
develop any signs or symptoms of the following problems
or if they get worse. These are not all of the signs and
symptoms of immune system problems that can happen with
KEYTRUDA or KEYTRUDA QLEX:
Lung problems: cough, shortness of
breath, or chest pain.
Intestinal problems: diarrhea (loose
stools) or more frequent bowel movements than usual;
stools that are black, tarry, sticky, or have blood or
mucus; or severe stomach-area (abdomen) pain or
tenderness.
Liver problems: yellowing of your skin or
the whites of your eyes; severe nausea or vomiting; pain
on the right side of your stomach area (abdomen); dark
urine (tea colored); or bleeding or bruising more easily
than normal.
Hormone gland problems: headaches that
will not go away or unusual headaches; eye sensitivity to
light; eye problems; rapid heartbeat; increased sweating;
extreme tiredness; weight gain or weight loss; feeling
more hungry or thirsty than usual; urinating more often
than usual; hair loss; feeling cold; constipation; your
voice gets deeper; dizziness or fainting; changes in mood
or behavior, such as decreased sex drive, irritability, or
forgetfulness.
Kidney problems: decrease in the amount
of your urine; blood in your urine; swelling of your
ankles; loss of appetite.
Skin problems: rash; itching; skin
blistering or peeling; painful sores or ulcers in your
mouth or in your nose, throat, or genital area; fever or
flu-like symptoms; swollen lymph nodes.
Problems can also happen in other organs and
tissues.
Signs and symptoms of these problems may include: chest
pain; irregular heartbeat; shortness of breath; swelling
of ankles; confusion; sleepiness; memory problems; changes
in mood or behavior; stiff neck; balance problems;
tingling or numbness of the arms or legs; double vision;
blurry vision; sensitivity to light; eye pain; changes in
eyesight; persistent or severe muscle pain or weakness;
muscle cramps; low red blood cells; bruising.
Infusion, injection-related, and allergic reactions
that can sometimes be severe or
life-threatening.
Signs and symptoms of infusion, injection-related, and
allergic reactions may include chills or shaking, itching
or rash, flushing, shortness of breath or wheezing,
dizziness, feeling like passing out, fever, and back pain.
Rejection of a transplanted organ or tissue.
Your health care provider should tell you what signs and
symptoms you should report and they will monitor you,
depending on the type of organ or tissue transplant that
you have had.
Complications, including graft-versus-host disease
(GVHD), in people who have received a bone marrow (stem
cell) transplant that uses donor stem cells
(allogeneic).
These complications can be serious and can lead to death.
These complications may happen if you underwent
transplantation either before or after being treated with
KEYTRUDA or KEYTRUDA QLEX. Your health care provider will
monitor you for these complications.
Getting medical treatment right away may help keep
these problems from becoming more serious.
Your health care provider will check you for these
problems during treatment with KEYTRUDA or KEYTRUDA QLEX.
They may treat you with corticosteroid or hormone
replacement medicines. They may also need to delay or
completely stop treatment with KEYTRUDA and KEYTRUDA QLEX
if you have severe side effects.
Before you receive KEYTRUDA or KEYTRUDA QLEX, tell your
health care provider if you
have immune system problems such as Crohn’s disease,
ulcerative colitis, or lupus; have had an organ or tissue
transplant, including corneal transplant, or have had or
plan to have a bone marrow (stem cell) transplant that
uses donor stem cells (allogeneic); have had radiation
treatment in your chest area; have a condition that
affects your nervous system, such as myasthenia gravis or
Guillain-Barré syndrome.
If you are pregnant or plan to become pregnant, tell your
health care provider. KEYTRUDA and KEYTRUDA QLEX can harm
your unborn baby. If you are able to become pregnant, you
will be given a pregnancy test before you start treatment.
Use effective birth control during treatment with KEYTRUDA
or KEYTRUDA QLEX and for 4 months after your last dose of
KEYTRUDA or KEYTRUDA QLEX. Tell them right away if you
think you may be pregnant or you become pregnant during
treatment with KEYTRUDA or KEYTRUDA QLEX.
Tell your health care provider if you are breastfeeding or
plan to breastfeed. It is not known if KEYTRUDA or
KEYTRUDA QLEX passes into your breast milk. Do not
breastfeed during treatment with KEYTRUDA or KEYTRUDA QLEX
and for 4 months after your last dose of KEYTRUDA or
KEYTRUDA QLEX.
Tell your health care provider about all the medicines
you take,
including prescription and over-the-counter medicines,
vitamins, and herbal supplements.
The most common side effects of KEYTRUDA QLEX when given
with certain chemotherapy medicines include nausea;
tiredness; and muscle, bone, and joint pain.
The most common side effects observed with KEYTRUDA when
used alone, which may be experienced with KEYTRUDA QLEX,
include feeling tired; pain, including pain in muscles;
rash; diarrhea; fever; cough; decreased appetite; itching;
shortness of breath; constipation; bones or joints and
stomach-area (abdominal) pain; nausea; and low levels of
thyroid hormone.
The most common side effects observed with KEYTRUDA when
used alone that are more common in children than adults,
which may be experienced with KEYTRUDA QLEX, include
fever, vomiting, headache, stomach area (abdominal) pain,
and low levels of white blood cells and red blood cells
(anemia).
The most common side effects observed with KEYTRUDA when
given with certain chemotherapy or chemotherapy with
radiation therapy medicines, which may be experienced with
KEYTRUDA QLEX, include feeling tired or weak; nausea;
constipation; diarrhea; decreased appetite; rash;
vomiting; cough; trouble breathing; fever; hair loss;
inflammation of the nerves that may cause pain, weakness,
and paralysis in the arms and legs; swelling of the lining
of the mouth, nose, eyes, throat, intestines, or vagina;
mouth sores; headache; weight loss; stomach-area
(abdominal) pain; joint and muscle pain; trouble sleeping;
blisters or rash on the palms of your hands and soles of
your feet; urinary tract infection; low levels of thyroid
hormone; skin irritation in the radiation area; trouble
swallowing; and dry mouth.
The most common side effects observed with KEYTRUDA when
given with enfortumab vedotin-ejfv, which may be
experienced with KEYTRUDA QLEX, include rash; tingling or
numbness of the arms or legs; feeling tired or weak;
itching; diarrhea; hair loss; weight loss; decreased
appetite; dry eye; nausea; constipation; changes in sense
of taste; and urinary tract infection.
The most common side effects observed with KEYTRUDA when
given with chemotherapy and bevacizumab, which may be
experienced with KEYTRUDA QLEX, include tingling or
numbness of the arms or legs; hair loss; low red blood
cell count; feeling tired or weak; nausea; low white blood
cell count; diarrhea; high blood pressure; decreased
platelet count; constipation; joint aches; vomiting;
urinary tract infection; rash; low levels of thyroid
hormone; decreased appetite; fever; mouth sores; and
nosebleed.
The most common side effects observed with KEYTRUDA when
given with sacituzumab
govitecan-hziy, which may
be experienced with KEYTRUDA QLEX, include low red blood
cell count, low white blood count, diarrhea, nausea,
feeling tired or weak, hair loss, constipation, rash,
vomiting, headache, and abdominal pain.
These are not all the possible side effects of KEYTRUDA or
KEYTRUDA QLEX. Talk to your health care provider for
medical advice about side effects.
You are encouraged to report negative side effects of
prescription drugs to the FDA. Visit
www.fda.gov/medwatch
or call
1-800-FDA-1088.
Please read the accompanying
Medication Guide
for KEYTRUDA and discuss it with your doctor. The
physician
Prescribing Information
also is available.
Please read the accompanying
Medication Guide
for KEYTRUDA QLEX and discuss it with your doctor. The
physician
Prescribing Information
also is available.