Sir I Have Face Gastritis Problem Some Time One Dayi

Sir I have face gastritis problem some time one dayi have chest pain and then I take lohashav bcoz my doctor said to me that I have lack of blood (anemie) and aftrr that I have a fast headache and my heart beat become vry fast I feel like that I passed out...and then I take pentop d and I am relief bt that dis incident I often face fast headache crying without reason bad thoughts in my mind and I have no enjoy in my life sir tell me why happen all dis thing with me