The present study aimed to investigate role of Attitudes towards medication, subjective norms and Perceived Behavioral Control in predicting Intentions of patients to take Anti-TB medication. The sample comprised of 147 patients with pulmonary TB, recruited from Gulab Devi Chest Hospital, Lahore. Correlation Research design was used. Urdu translated version of Theory of planned behavior questionnaire was used for assessment. Results showed that, Distance to hospital and Attitude of doctors and staff negatively predicted Intentions. However, Monthly family Income, Attitudes towards medication and Subjective Norms positively predicted Intentions. Results also revealed that high and low intenders were significantly different in terms of Behavioral, Normative and Control Beliefs. Findings of the present study highlighted the importance of environmental and patient related factors influencing the decisions to take medication. These factors should be considered while developing interventions to promote future medication adherence behavior as intentions drives behavior and patients has to be motivated in order to perform the behavior.