This has been going on for about an year and I am anxious as this has been interfering my studies.I feel as if I will pass out.I suffer from alternating episodes of constipation and diarrhoea.I have a constant feeling of lump in my throat heartburn and post nasal drip.Suffer from sinusitis since childhood.Blood work normal except sodium 129mmol/l.I get pains and soreness everywhere in my body.I weigh 41kg height 152cm.I eat less for my age and my daily water intake is 2 glasses.please help!