It's better to consult a Physiotherapist urgently.So Physio will gave stimulation to strengthen the muscles.Along with that physio will also teach some exercises that can be do in home itself.
Next Steps
Consult the physiotherapist.
Health Tips
Exercises for Bell's palsy are say vowels loudly,Then patient tried to blow the balloon,Try to do whistling sound, blowing the candle,try to do the movement of taking water or juice through straw.