Folacin-800 Side Effects
Generic Name: folic acid
Note: This page contains information about the side effects of folic acid. Some of the dosage forms included on this document may not apply to the brand name Folacin-800.
For the Consumer
Applies to folic acid: capsule, injectable, solution, tablet
In addition to its needed effects, some unwanted effects may be caused by folic acid (the active ingredient contained in Folacin-800). In the event that any of these side effects do occur, they may require medical attention.
If any of the following side effects occur while taking folic acid, check with your doctor or nurse as soon as possible:Rare
- general weakness or discomfort
- reddened skin
- shortness of breath
- skin rash or itching
- tightness in chest
- troubled breathing
For Healthcare Professionals
Applies to folic acid: compounding powder, injectable solution, oral tablet
Rare (less than 0.1%): Mild gastrointestinal upset, nausea, abdominal distension, flatulence[Ref]
Nausea, abdominal distension, and flatulence were reported in patients taking 15 mg folic acid daily for 1 month.[Ref]
Bitter or bad taste, altered sleep patterns, difficulty concentrating, overactivity, and impaired judgement were reported in patients taking 15 mg folic acid (the active ingredient contained in Folacin-800) daily for 1 month.
Increased seizure incidence was seen in some epileptic patients receiving phenobarbital, primidone, or diphenylhydantoin.[Ref]
Frequency not reported: Bitter or bad taste, altered sleep patterns, difficulty concentrating, overactivity, impaired judgement, increased incidence of seizures in some epileptic patients[Ref]
Rare (less than 0.1%): Allergic responses (including erythema, skin rash, itching, general malaise, respiratory difficulty due to bronchospasm), anaphylaxis (including shock)[Ref]
Rare (less than 0.1%): Anorexia
Frequency not reported: Decreased vitamin B12 serum levels, worsening symptoms of B12 deficiency[Ref]
Anorexia was reported in patients taking 15 mg folic acid daily for 1 month.
Decreased vitamin B12 serum levels was reported with prolonged folic acid therapy.[Ref]
Frequency not reported: Decreased diphenylhydantoin serum levels[Ref]
Decreased diphenylhydantoin serum levels were reported in patients taking 5 or 15 mg folic acid daily.[Ref]
Irritability, excitement, mental depression, and confusion were reported in patients taking 15 mg folic acid (the active ingredient contained in Folacin-800) daily for 1 month.[Ref]
Frequency not reported: Irritability, excitement, mental depression, confusion[Ref]
1. Cerner Multum, Inc. "Australian Product Information." O 0
2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
3. "Product Information. Folic Acid (folic acid)." Method Pharmaceuticals, LLC, Arlington, TX.
Not all side effects for Folacin-800 may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about Folacin-800 (folic acid)
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Support Group
- En Español
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- Drug class: vitamins
Other brands: FA-8
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