What's the best treatment for debilitating period with very heavy flow, severe cramps and back pain, migraines and fatigue?

Confer with Dr. Non-steroidal medications like ibuprofen, naproxen, diclofenac can be quite effective in treating your symptoms. However, there is a risk that your crohn's might be reactivated or worsened. You really need to have a dr. Weigh the risks and benefits of that decision. You may also be experiencing other concurrent abdominal problems that are complicating your symptoms.