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Medical QA fine-tuning of Qwen2.5 using Unsloth and LoRA for medical question answering. Features optimized training, reduced GPU memory usage, accelerated inference, and robust clinical knowledge adaptation for healthcare-focused conversational AI.

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MedAssist-Qwen - Less Memory. More Intelligence.

Efficient Fine-Tuning of Qwen2.5-7B-Instruct for Medical Question Answering using Unsloth

MedAssist-Qwen

Fine-Tuning Qwen2.5-7B-Instruct for Medical Question Answering using Unsloth


Overview

Unsloth-MediQwen is a domain-specific Medical Question Answering (Medical QA) model developed by fine-tuning Qwen2.5-7B-Instruct on a Medical Question & Answer Dataset using Unsloth. The project demonstrates how a powerful instruction-tuned Large Language Model can be efficiently adapted for healthcare applications while achieving faster training, reduced GPU memory consumption, and high-quality medical response generation.


Features

  • Medical Question Answering
  • Fine-tuned Qwen2.5-7B-Instruct
  • Efficient Fine-Tuning with Unsloth
  • LoRA-based Parameter-Efficient Training
  • Medical Instruction Dataset
  • Memory-Efficient Training
  • Context-Aware Medical Responses
  • Ready for Inference & Deployment
  • Easily Extendable for Healthcare AI Research

Model Architecture


Technology Stack

  • Python
  • PyTorch
  • Hugging Face Transformers
  • Unsloth
  • TRL
  • Accelerate
  • BitsAndBytes
  • Datasets
  • PEFT (LoRA)

Dataset

The model is fine-tuned on a Medical Question & Answer Dataset consisting of healthcare-related questions paired with expert-style answers. The dataset is formatted for instruction tuning, enabling the model to generate informative, context-aware, and clinically relevant responses.

Example

Input

What are the symptoms of asthma?

Output

Common symptoms include wheezing, shortness of breath,
chest tightness, persistent coughing, and fatigue.

Applications

  • Medical Question Answering
  • AI Healthcare Assistants
  • Patient Education
  • Clinical Knowledge Support
  • Medical Information Retrieval
  • Healthcare Research
  • Educational Medical Chatbots

Model Efficiency

Qwen2.5-7B-Instruct, combined with Unsloth, enables highly efficient fine-tuning through optimized kernels, 4-bit quantization, and parameter-efficient adaptation. This significantly reduces GPU memory usage while maintaining strong reasoning capabilities, making the model suitable for consumer GPUs and rapid experimentation.

Benefits

  • Faster Fine-Tuning
  • Lower GPU Memory Usage
  • Efficient LoRA Training
  • 4-bit Quantization Support
  • Faster Inference
  • High-Quality Medical Responses

Future Work

  • 🔹 Retrieval-Augmented Generation (RAG) for evidence-based medical responses
  • 🔹 Multi-turn Clinical Conversations
  • 🔹 Medical Report & Clinical Note Question Answering
  • 🔹 Integration with Electronic Health Records (EHR)
  • 🔹 FastAPI REST API Deployment
  • 🔹 Hugging Face Spaces Demo
  • 🔹 GGUF & ONNX Export for Edge Deployment
  • 🔹 Quantization for Mobile and Embedded Devices

Why Qwen2.5 + Unsloth?

Fine-tuning Large Language Models often requires powerful GPUs and significant memory resources, making domain-specific adaptation difficult on consumer hardware.

This project demonstrates that Qwen2.5-7B-Instruct, combined with Unsloth, can be fine-tuned efficiently for Medical Question Answering while reducing GPU memory usage and maintaining high-quality, context-aware responses.

Highlights

  • Memory-efficient fine-tuning
  • Faster training with Unsloth
  • LoRA-based parameter-efficient adaptation
  • Lower GPU memory requirements
  • Accurate medical question answering
  • Ready for real-world deployment

This repository showcases an efficient workflow for adapting Qwen2.5-7B-Instruct to the medical domain using Unsloth, enabling faster training, lower memory consumption, and reliable Medical Question Answering on consumer-grade GPUs.

About

Medical QA fine-tuning of Qwen2.5 using Unsloth and LoRA for medical question answering. Features optimized training, reduced GPU memory usage, accelerated inference, and robust clinical knowledge adaptation for healthcare-focused conversational AI.

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