Hello, As per my clinical experience, the issue of headache, fever and abdomen spasms do indicate underlying intestine infection through some sort of bacteria most likely. You are already being prescribed for cyclopam (as anti spasmodic tablet) to relieve spasmodic pain macpan forte for gastric upset relief through rabeprazole, a proton pump inhibitor. Ceftas cv is an antibiotic for infection control Over and above of these medications, precise dietary care will help to achieve best results in this condition. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Bhagyesh V. Patel, General Surgeon