Ch. Bala Subramanyam, B Sunil Kumar 01 3 IoT has been shown as a big potential for qualifying and improving healthcare services such as monitoring at anytime and anyplace These services acquire various bio signals using different sensors including electroencephalogram EEG electrocardiogram ECG electrical signal of the heart electromyogram EMG electrical signal of muscles Respiratory Rate RR and body motion The collected information from these sensors can be processed stored or broadcast to a remote device eg Cloud server This paper provides an overview of the main medical sensors in IoT and a review of the current stateof theart of IoT projects and technologies required for healthcare services The paper specifically focuses on the using of IoT technologies in the healthcare area nowadays A conclusion regarding the current stage of development and open issues are presented Copyright (c) World Journal of Pharmaceutical Seiences. All rights reserved 2026