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Can psoriasis be caused by an infection?

Infections do not cause psoriasis. Psoriasis can develop after infections, injuries to the skin and stress, but these things don’t actually cause the psoriasis. They are triggers that might make existing psoriasis worse.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.