Stopping uncontrollable coughing without any external aids or medications can be challenging but can sometimes be managed with focused breathing and calming techniques. For more info click Here are some strategies to try:

1. Controlled Breathing: Focus on slow, deep breaths through your nose. Try to inhale for a count of 4, hold for 4, and then exhale slowly for a count of 4. This can help calm the body and reduce the urge to cough.

2. Relaxation Techniques: Practice techniques such as progressive muscle relaxation or visualization to distract your mind from the urge to cough and promote overall relaxation.

3. Stay Calm: Anxiety and stress can exacerbate coughing fits. Try to stay calm and reassure yourself that the coughing will pass.

4. Stay Hydrated: Sipping water slowly can help soothe your throat and reduce irritation that may trigger coughing.

5. Humidify the Air: If possible, sit in a bathroom with the hot shower running to create steam, which can help moisten your airways and reduce coughing.

6. Warm Compress: Placing a warm, damp cloth on your throat may provide some relief and help calm coughing spasms.

7. Rest: If coughing is severe, lying down in a comfortable position and resting may help ease symptoms.

8. Gargle with Saltwater: If available, gargling with warm saltwater can help reduce throat irritation and potentially calm coughing.

9. Positioning: Sitting upright or leaning slightly forward may help prevent mucus from pooling in your throat, which can trigger coughing.

10. Avoid Triggers: If certain smells, dust, or allergens trigger your cough, try to avoid them if possible.

It's important to note that these strategies may not completely stop uncontrollable coughing, especially if there is an underlying medical condition causing it. If your coughing persists, worsens, or is accompanied by other concerning symptoms, it's crucial to seek medical attention promptly for proper evaluation and treatment.