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Evening Primrose Oil for Eczema (Atopic Dermatitis)

C

Mixed results in systematic reviews. Some individual RCTs show improvement in eczema itch and dryness, but Cochrane review found insufficient overall evidence. May benefit those with delta-6-desaturase deficiency.

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The Bottom Line

            
            
Mixed results in systematic reviews. Some individual RCTs show improvement in eczema itch and dryness, but Cochrane review found insufficient overall evidence. May benefit those with delta-6-desaturase deficiency.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
12

        
Studies

    

    

        
800

        
Participants

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        C

        
Grade

    




        


        
        

        
        
        

            

  
Dosage & Usage





            
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
500-1,000 mg/day

                    

                    
                    

                        
eczemaskinhealth:

                        
1,000-3,000 mg/day (providing 80-300 mg GLA)

                    

                    
                

                
                

                    Upper limit: Not established; generally well-tolerated up to 6,000 mg/day
                

                
            

            

            

            
            

                Best taken: With meals for better absorption
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Mild gastrointestinal discomfort
                        
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  • 
                            ⚠
                            Headache (rare)
                        
    • 
                        
                        
  • 
                            ⚠
                            May lower seizure threshold (theoretical)
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Anticoagulants (may have mild antiplatelet effects)
                        
    • 
                        
                        
  • 
                            ●
                            Phenothiazines and anticonvulsants (may lower seizure threshold)
                        
    • 
                        
                        
  • 
                            ●
                            NSAIDs (may have additive GI effects)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: Not established; generally well-tolerated up to 6,000 mg/day
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Evening Primrose Oil help with Eczema (Atopic Dermatitis)?
            
        
        

            Based on 12 studies with 800 participants, there is limited but promising evidence that Evening Primrose Oil may support Eczema (Atopic Dermatitis) management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Evening Primrose Oil should I take for Eczema (Atopic Dermatitis)?
            
        
        

            Studies have used various dosages. A commonly studied range is 500-1,000 mg/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Evening Primrose Oil?
            
        
        

            Reported side effects may include Mild gastrointestinal discomfort, Headache (rare), May lower seizure threshold (theoretical). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Evening Primrose Oil and Eczema (Atopic Dermatitis)?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 12 peer-reviewed studies with 800 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
            

        

        

    


    
    












    

        FDA Disclaimer:
        These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.