Protexin Side Effects
Generic Name: ascorbic acid
Note: This document contains side effect information about ascorbic acid. Some of the dosage forms listed on this page may not apply to the brand name Protexin.
Some side effects of Protexin may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to ascorbic acid: oral capsule, oral capsule extended release, oral capsule liquid filled, oral granule, oral liquid, oral lozenge/troche, oral powder, oral powder for solution, oral powder for suspension, oral solution, oral syrup, oral tablet, oral tablet chewable, oral tablet extended release, oral wafer
Along with its needed effects, ascorbic acid (the active ingredient contained in Protexin) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur while taking ascorbic acid:Less common or rare - with high doses
- Side or lower back pain
Some side effects of ascorbic acid may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Less common or rare - with high doses
- dizziness or faintness (with the injection only)
- flushing or redness of skin
- increase in urination (mild)
- nausea or vomiting
- stomach cramps
For Healthcare Professionals
Applies to ascorbic acid: compounding powder, injectable solution, oral capsule, oral gum, oral liquid, oral tablet, oral tablet chewable, oral tablet disintegrating, oral tablet extended release
Renal side effects have included oxalate and urate kidney stones.
Hyperoxaluria appears to be dose-related.
Migraine headache has been reported with a daily dose of 6 grams.
The manufacturer reports temporary dizziness and faintness may be associated with too rapid of a rate during intravenous administration.
Nervous system side effects have included dizziness, faintness, fatigue, and headache in less than 1% of patients. Migraine headache has also been reported.
Other side effects have included flank pain in less than 1% of patients. Conditional scurvy has also been reported.
Conditional scurvy is reported to occur following excessive doses of ascorbic acid over a prolonged period of time. The mechanism of action for this condition is thought to be that large doses of ascorbic acid condition the patient over time for rapid clearance of ascorbic acid resulting in scurvy. The plasma levels of ascorbic acid appear to remain within normal limits. The actual existence of conditional scurvy remains controversial.
Nausea, diarrhea, and abdominal cramps appears to be associated with doses exceeding 2 g per day, although there have been some reports with as little as 1 g per day.
Esophagitis appears to be associated with prolonged or increased contact of ascorbic acid (the active ingredient contained in Protexin) tablets with the esophageal mucosa.
Gastrointestinal side effects have included nausea, diarrhea, abdominal cramps, and esophagitis.
Hematologic side effects have included hemolysis.
The majority of hemolysis reports have been associated with patients who have concurrent glucose-6-phosphate dehydrogenase deficiency.
Local side effects have included transient mild soreness at the site of injection.
More about Protexin (ascorbic acid)
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