the package insert of the medicine Citron.
Prophylaxis and treatment of deficiency of vitamin C due to the supply deficient, or increased needs, as occurs in the flus and colds and in cases of injuries, intense burns deep, fractures, and chronic infections. In the prophylaxis and treatment of scurvy, where idiopathic, tooth decay, malnutrition, infections in general, and as acidifying the urine.
When should I not use?
Cholelithiasis urinary oxálica or úrica; in renal failure.
How to use?
Adults and children over 12 years: 1 tablet (500 mg) a day. States carenciais or needs increased: 1 to 2 tablets a day (500 mg to 1 g). – Overdose: there are no known reports of poisoning by overdosage of ascorbic acid. In case of adverse reactions, reduce or suspend the use of the product and, if necessary, use symptomatic treatment.
What are the evils that can cause me?
high Doses of ascorbic acid (above 1 g daily) may cause gastrointestinal disorders, such as nausea, vomiting and diarrhea, as well as causing hemolysis in patients with deficiency of glucose-6-phosphate-dehydrogenase. In patients predisposed, the use of high doses of ascorbic acid can trigger the onset of cholelithiasis oxálica or úrica. – Drug interactions: warfarin: sodium can occur increase of the prothrombin time. Deferoxamine: has decreased activity and boosted the toxic effects of iron. Vitamin B12: it has reduced activity. – Interference with laboratory tests: ascorbic acid can interfere in the results for the determination of blood glucose, glicosúria in the blood and urine, and serum levels of transaminases, creatinine, and bilirubin. May reduce false-negative results in search of hidden blood in the stool.