Should I stop antibiotics once my symptoms are gone?

Do not stop taking antibiotics just because your symptoms have stopped, continue until the antibiotics are gone

If my blood pressure is controlled should I stop taking my medicines?

No continue blood pressure medicines until told to stop by your doctor

Should I take antibiotics for a common cold ?

No antibiotics are not indicated for common colds since most colds are caused by viruses

Do over-the-counter medications work for colds and should I get a flu shot?

Over-the-counter medications do generally work well for symptoms of a cold and yes you should get a flu shot and if everyone did then there would be a shorter and less problematic flu season