IJRAP International Journal of Research in Ayurveda and Pharmacy 2277-4343 Moksha Publishing House 10.7897/2277-4343.140384 PILOT STUDY ON EFFECTIVENESS OF SIDDHA MEDICINES SOMBU THEENEER (INTERNAL) AND PEENISATHIRKU THAILAM (EXTERNAL) IN THE MANAGEMENT OF PEENISAM (SINUSITIS) G Dhivya * H Vetha Merlin Kumari H Nalini Sofia T Lakshmi Kantham R Meena Kumari 11 -0001 63 69 Background:__ampersandsignnbsp; Peenisam (sinusitis) is a widespread condition, and patients are visiting Ayothidass Pandithar Hospital, National Institute of Siddha, to manage this condition. The signs and symptoms of peenisam (sinusitis) are mentioned in Siddha literature Yugi vaithya chinthamani, such as lacrimation, nasal block, headache, rhinorrhea, cough, absence of taste, may be correlated with maxillary sinusitis in biomedicine. Objectives: To evaluate the clinical effectiveness of Siddha formulations Sombu theeneer (internal) and Peenisathirku thailam (external) in the management of sinusitis by using Adelaide Disease Severity Score (ADSS) and to observe changes in clinical lab parameters, total count, differential count, erythrocyte sedimentation rate, absolute eosinophil count and serum immunoglobulin E pre and post-treatment. Methods: An open Non-Randomised clinical trial with a sample size of 10 patients diagnosed with Peenisam within the age limit of 18-60 years. The approval was obtained from Institutional Ethical Committee for conducting this clinical study with the IEC No: (25/11/2021; NIS/IEC/2021/MP-3). It was registered prospectively in the Clinical Trail Registry of India (CTRI Reg No: CTRI/2022/01/051045). The trial drug Sombu theeneer (internal) 30 ml BD with water after food and Peenisathirku thailam (external) were given for 48 days and two months follow up without the trial drug. Results: Biostatistical reports of ADSS scores and lab investigations before and after treatment were statistically analysed using paired t-tests. There was a significant reduction in both the ADSS (p-value__ampersandsignlt;0.001) and lab investigations like Erythrocyte sedimentation rate, Absolute eosinophil count and serum Immunoglobulin E__ampersandsignnbsp; levels (p-value __ampersandsignlt;0.05). Conclusion: The trial drug therapeutically effectively treats Peenisam (sinusitis). Sombu theeneer Peenisathirku thailam Peenisam Sinusitis Siddha medicine.