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ArticlePeer ReviewedOpen AccessPlagiarism Passed
Paper ID:IJSREM62438

A RAG-Based Health Chatbot for Verifiable Medical Queries

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM62438

Volume:

10 |

5 |

May 2026

Pages:

1--

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/IJSREM62438

License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

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Authors

DS

Dhairya Summi

Department of Computer Science and Engineering(Data Science)

Bhagwan Parshuram Institute of Technology

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MJ

Mannan Jain

Department of Computer Science and Engineering(Data Science)

Bhagwan Parshuram Institute of Technology

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SS

Sidharth Singh

Department of Computer Science and Engineering(Data Science)

Bhagwan Parshuram Institute of Technology

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Mentors

DK

Dinesh Kumar

Department of Computer Science and Engineering(Data Science)

Bhagwan Parshuram Institute of Technology

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Abstract

The increasing demand for accessible health information has exposed the limitations of traditional rule-based chatbots and standard human consultation systems. To address this, we introduce an AI-powered health chatbot built on a Retrieval-Augmented Generation (RAG) architecture. The system integrates the all-MiniLM-L6-v2 sentence-transformer model, a ChromaDB vector database, and a large language model (LLM) accessed via the Groq API. It processes medical knowledge by converting documents into 384-dimensional dense embeddings, allowing the system to retrieve highly relevant context to ground the LLM's responses. To prioritize user privacy, we implemented a stateless architecture that ensures no personal health information is stored between sessions. Additionally, an emergency keyword detection mechanism runs in the background to flag critical health situations requiring immediate medical attention. The frontend, built on Streamlit, displays the retrieved source documents and their corresponding cosine-similarity scores alongside the generated answers to establish user trust. Our evaluation demonstrates that this RAG-based approach outperforms both standard rule-based and LLM-only baselines, specifically showing measurable improvements in response accuracy, relevance, and explainability.

KEYWORDS

Index Terms— Artificial Intelligence ChromaDB Groq API Health Chatbot Large Language Models RAG Sentence Transformers Streamlit Vector Embeddings

Cite This Article

Dhairya Summi, Mannan Jain, Sidharth Singh, Dinesh Kumar, "A RAG-Based Health Chatbot for Verifiable Medical Queries," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 5, pp. 1--, May 2026. https://doi.org/10.55041/IJSREM62438

Full Article/Conclusion

The research demonstrates that the Retrieval-Augmented Generation (RAG) method enables developers to create AI health chatbots that provide accurate information through transparent operations while keeping expenses at manageable levels. The system achieves its ability to create medical-based responses through the integration of the all-MiniLM-L6-v2 sentence transformer with ChromaDB vector database and Groq LLM API which operates without needing expensive hardware or complicated systems. The system uses stateless design elements to safeguard user information while its emergency detection system functions as an essential security measure. The system benefits from enhanced transparency through its method of providing source citations with every response which lets users check the supplied information. The system operates in educational institutions and rural health information centers and basic consumer health applications because it requires no special hardware and maintains low running expenses. The system demonstrates how reliable AI-based health information can become more accessible through its current implementation.

References

[1] P. Lewis et al., "Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks," Advances in Neural Information Processing Systems (NeurIPS), 2020. [2] N. Reimers and I. Gurevych, "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks," Proceedings of EMNLP, 2019. [3] ChromaDB Documentation, "ChromaDB Open-Source Embedding Database." [Online]. Available: https://docs.trychroma.com/ [4] Groq API Documentation, "Ultra-Low Latency LLM Inference." [Online]. Available: https://console.groq.com/docs/ [5] Streamlit Documentation, "Streamlit — The Fastest Way to Build Data Apps." [Online]. Available: https://docs.streamlit.io/ [6] K. Singhal et al., "Large Language Models Encode Clinical Knowledge," Nature, vol. 620, pp. 172-180, 2023. [7] Y. Kang et al., "A Systematic Review of Chatbots in Healthcare," NPJ Digital Medicine, vol. 6, 2023. [8] J. Devlin et al., "BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding," NAACL-HLT, 2019.

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Publication Date

5/3/2026

Peer Review Type

Double-Blind Peer Review

Review Rounds: 2

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The authors declare no conflict of interest related to this research work.

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