Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Body tremors may be due to weakness or infection or electrolyte imbalance or hyperthyroidism etc. Vomiting may be due to gastritis or anemia or thrombocytopenia. You may need to investigate for fever, thyroid status or electrolytes etc. Please consult your doctor he will examine and treat you accordingly. Hope I have answered your query. Let me know if I can assist you further.