Tretinoin - Systemic
Brand Names
Vesanoid
Tretinoin *** Before Using *** How to Use *** Fore Safe Use *** Side Effects
Before Using
In deciding to using a medication,
the chance of taking the drug must be weighed against the good it will
do. This is a decision you will make. For tretinoin, the following
must be considered
Allergic reaction
Tell your family doctor if you have any unusual or
allergy to tretinoin or to acitretin, etretinate, isotretinoin,
or vitamin A preparations. Also tell your health care professional if you
are allergic to any other substances, such as foods, preservatives, or dyes.
Pregnancy care
Tretinoin must not be taken during
pregnancy because there is a very high risk of causing severe birth defects
in the infant. In addition, tretinoin must not be taken if there is a risk
that you may become pregnant during treat or within 1 month after treat
is ended
. Women who are able to have children and even some women
who have started the menopause, must have a pregnancy test done within 1 week
before starting tretinoin, to make sure they are not pregnant. The pregnancy
test must be repeated once a month during treat
During treat with tretinoin and for a month after treat is over,
you must use two effective forms of birth control at the same time
.
If you have any questions about what kinds of birth control to use, check
with your health care professional
Be sure that you
have discussed this information with your family doctor. You will be asked to sign
an informed consent form stating that you have received and understand the
above information
.
Breast-feeding problem
It is not known whether tretinoin passes into the
breast milk. However, because this drug can cause serious side effects,
women must stop breast-feeding before starting treat.
Use for Children
Studies in a limited number of children between 1
and 16 years of age have shown that children may be especially sensitive to
the effects of this drug and may be more likely than adults to experience
severe headaches and some other side effects during treat.
Elderly care
Many medication have not been studied specifically
in elderly people. Therefore, it may not be known whether they work exactly
the same way they do in adults people or if they cause various side effects
or problems in elderly people. There is no special info comparing use
of tretinoin in the elderly with use in other age groups.
Drug interactions
Although certain medication must not be using
together at all, in other cases two various medication may be using together
even if an interaction might occur. In these cases, your family doctor may want to
change the dose, or other precautions may be necessary. When you are taking
tretinoin, it is especially important that your health care professional know
if you are taking any of the following:
-
Corticosteroids - cortisone-like drug
-
Cimetidine - Tagamet
-
Cyclosporine - Sandimmune
-
Diltiazem - Cardizem
-
Erythromycin - E-Mycin, Ilotycin
-
Ketoconazole - Nizoral
-
Pentobarbital - Nembutal
-
Phenobarbital - Luminal
-
Rifampin - Rifadin
-
Verapamil - Calan These medication may increase or decrease
the metabolism - breakdown of tretinoin, leading to higher-than-usual or lower-than-usual
amounts of tretinoin in the body
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