During a gallbladder attack, immediate relief is crucial. Firstly, how to stop a gallbladder attack while it is happening: Take pain medication like ibuprofen and anti-spasmodic drugs to alleviate discomfort. Applying heat pads to the affected area can also provide relief. Avoid fatty foods and opt for a low-fat diet. Stay hydrated and try gentle exercises to ease pain. If symptoms persist or worsen, seek medical attention promptly. Remember, managing stress can also help prevent future attacks.