Nalidixic Acid (Systemic)
Brand Names : NegGram
Before Using This MedicineIn 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 nalidixic acid,
the following should be considered:
Allergies - Tell your doctor if you have ever had any unusual or
allergic reaction to nalidixic acid, or to any related medicines such as alatrofloxacin
or trovafloxacin (e.g., Trovan), cinoxacin (e.g., Cinobac), ciprofloxacin
(e.g., Cipro), enoxacin (e.g., Penetrex), grepafloxacin (e.g., Raxar), levofloxacin
(e.g., Levaquin), lomefloxacin (e.g., Maxaquin), norfloxacin (e.g., Noroxin),
ofloxacin (e.g., Floxin), or sparfloxacin (e.g., Zagam). Also tell your health
care professional if you are allergic to any other substances, such as foods,
preservatives, or dyes.
Pregnancy - Studies have not been done in humans. In animal studies,
nalidixic acid causes birth defects and other problems at doses several times
the human dose. However, use is not recommended during pregnancy, since nalidixic
acid has been shown to cause bone development problems in young animals.
Breast-feeding - Nalidixic acid passes into breast milk. This medicine
may cause blood problems in nursing babies with glucose-6-phosphate dehydrogenase
(G6PD) deficiency. However, problems in other nursing babies have not been
reported.
Children - This medicine is not recommended for use in infants
up to 3 months of age since nalidixic acid has been shown to cause bone development
problems in young animals. Caution is recommended in using nalidixic acid in children up to 18 years
of age because nalidixic acid has been shown to cause bone development problems
in young animals. However, your doctor my choose to use this medicine if other
medicines cannot be used.
Adolescents - Caution is recommended in using nalidixic acid in
children up to 18 years of age because nalidixic acid has been shown to cause
bone development problems in young animals. However, your doctor my choose
to use this medicine if other medicines cannot be used.
Older adults - This medicine has been studied in a limited number
of elderly patients and has not been shown to cause different side effects
or problems in older people than it does in younger adults.
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
nalidixic acid, it is especially important that your health care professional
know if you are taking any of the following:
-
Antacids, aluminum-, calcium-, or magnesium-containing, or
-
Iron supplements or
-
Multivitamin preparations, zinc-containing, or
-
Sucralfate - These medicines interfere with the absorption of
nalidixic acid into the body and may decrease the effect of nalidixic acid
-
Anticoagulants (blood thinners) - Patients taking nalidixic acid
with anticoagulants may have an increased chance of bleeding
-
Caffeine or
-
Cyclosporine (e.g., Neoral, Sandimmune) or
-
Theophylline (e.g., Theo-Dur) - Nalidixic acid may increase the
amounts of these medicines in the blood and increase the chance of side effects
from them
Other medical problems - The presence of other medical
problems may affect the use of nalidixic acid. Make sure you tell your doctor
if you have any other medical problems, especially:
-
Convulsive disorders, history of (seizures, epilepsy) or
-
Hardening of the arteries in the brain (severe) - Patients with
these medical problems may have an increased chance of side effects affecting
the nervous system
-
Glucose-6-phosphate dehydrogenase (G6PD) deficiency - Patients
with G6PD deficiency may have an increased chance of side effects affecting
the blood
-
Kidney disease (severe) or
-
Liver disease - Patients with liver disease or severe kidney
disease may have an increase in side effects
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