According to your sign and symptoms you are suffering from anxiety with dizziness with ear clogged .
All these sign and symptom can be come as side effect of that medication.
You should take consultation from your doctor and ask about that and definitely you can get your answer .
Next Steps
Along with above medics you should follow good life style as take plenty of fluid and take less spicy and fatty food and do exercise regularly with yoga and meditation.
Health Tips
You should keep positive attitude to fight any disease and any problem of your life.