Hello and thank you for your question. It’s my first priority and pleasure to help you.
I understand your concern.
Since you have taken only 120 mg two times which also 12 hrs apart so you need not worry as such.
It wouldn't cause any serious health issue.
Just monitor your blood pressure.
And maintain a good hydration.
It can make you little bit dizzy so you should gradually change your position from sitting to standing.
Also monitor your blood pressure before your next dose in morning and if it's less than 130/80 mm Hg then you can take it after meals.
Otherwise miss the dose in morning tomorrow and take it next morning as per scheduled.
Eat small meals throughout the day.
And do deep breathing and relax.
No need to panic at all.
Hope this helps.
Feel free for further queries. It's good to discuss rather than quit.
Your satisfaction is our goal.
We are here to help you until you satisfy.