Hi, if I m assigned to treat you, I will suggest iron tabs. They produces these symptoms, your physician may shift to other tabs [even those can also produce similar effects. Don t take tabs when u eat immediately these foods [whole grain, raw vegetables, bran or drinks with caffeine. Take vitamin C, orange juices or iron tab with lemon water is good option. [iron rich foods like soybean, lentils, peas, beans, pumpkin, flax garden cress seeds, cashew, pine, mushrooms, green vegetables] these will shortened course of tabs. Do some suksh yoga [online ombw art of living course is good for psychological upsets and blood pressure as its directly proportional to stress and this online happyness course will fastened your recovery also] vitamin C and ascorbic acid are good. For giddiness, please check BP regularly, you may need to alter Telma doses. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Sunny Madar, General & Family Physician