The full answer
There's no way to reverse it — focus on symptom management
There’s no medication or remedy that undoes gluten exposure once it’s happened; the immune reaction has to run its course. In the meantime, staying hydrated, resting, and eating gentle, easily digestible foods can help manage symptoms while your body recovers.
Looking ahead
Symptoms typically resolve within a few days for most people — see how long symptoms can last. If exposure happens often, it’s worth reviewing your diet and habits for a recurring cross-contact source.
Important context
Individual symptoms, reactions, medical histories, food products, and local labeling rules can vary. Community experiences are not medical evidence.
For personal medical decisions, diagnosis, testing, or treatment, consult a qualified healthcare professional.