Itching in the body specially head neck  back n hands( at times ) Headache muscle pain joint pain Developed Allergy to milk chilly outside food Constipation at times weight gain While drifting into deep sleep heartbeat increases n I get out of sleep Hands become numb while sleeping Half the symptoms started after I had prolonged antibiotics course after a sebacious cyst surgery in the back n the other half after I had fish in Goa. Have seen multiple doctors n they all just come down to calling it anxiety n no one's able to get to the root cause. Also have low Vitamin b12 n low Vitamin d3 Knee pain n muscle pain also ‌ ‌