L-Tryptophan (Systemic)
Brand Names : Alti-Tryptophan, Tryptophan
Before Using This MedicineIf you are taking this medicine
without a prescription, carefully read and follow any precautions on the label.
For L-tryptophan, the following should be considered:
Allergies - Tell your doctor if you have ever had any unusual
or allergic reaction to L-tryptophan. Also tell your doctor and pharmacist
if you are allergic to any other substances, such as foods, preservatives,
or dyes.
Pregnancy - L-tryptophan has not been shown to cause birth
defects or other problems in humans.
Breast-feeding - It is not known whether L-tryptophan passes
into breast milk. However, L-tryptophan has not been reported to cause problems
in nursing babies.
Children - Studies on this medicine have been done only in
adult patients, and there is no specific information comparing use of L-tryptophan
in children with use in other age groups.
Older adults - Many medicines have not been studied specifically
in older people. Therefore, it may not be known whether they work exactly
the same way they do in younger adults or if they cause different side effects
or problems in older people. There is no specific information comparing use
of L-tryptophan in the elderly with use in other age groups.
Other 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 taking
L-tryptophan, it is especially important that your doctor and pharmacist know
if you are taking any of the following:
-
Lithium (e.g., Eskalith) or
-
Monoamine oxidase (MAO) inhibitor activity (isocarboxazid [e.g.,
Marplan], phenelzine [e.g., Nardil], procarbazine [e.g., Matulane], selegiline
[e.g., Eldepryl], tranylcypromine [e.g., Parnate]) - Using these medicines
with L-tryptophan may increase the chance of side effects
Other medical problems - The presence of other medical
problems may affect the use of L-tryptophan. Make sure you tell your doctor
if you have any other medical problems, especially:
-
Achlohydria or malabsorption (digestion problems) - L-tryptophan
may cause breathing problems in patients with certain types of digestion problems
-
Bladder cancer - L-tryptophan may increase the risk of bladder
cancer
-
Cataracts - L-tryptophan may cause cataracts
-
Diabetes mellitus (sugar diabetes) - L-tryptophan may cause diabetes
in patients with a family history of diabetes
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