Very few will kill you instantly, as in drop dead but in large doses most if not all will kill you. Most are toxic in large amounts and will severely harm your body in large doses, ibuprofen, Tylenol, cough medicine are the most likely candidates for toxicity that will kill you the soonest. I have known people who have taken over 4000mg of Tylenol and died, very dangerous drug, as all are when abused.
It's actually quite difficult to find something that CAN'T kill you if you take too much of it, though in some cases (water, for example) the amount required to be "too much" is impractical.
All over the counter drugs should be used in accordance with directions.
Yes. Any medication can put enough strain on your heart to cause damage. However you will also stand a good chance of a stroke or seizing that will leave you paralyzed or many other permanent damage to live out your life defendant on others for care your no able to do.
All of them if you overdose
There is no over-the-counter drug to cure heartworms.
And over-the-counter drug that will lengthen bleeding time is aspirin.
If an over the counter drug might affect your ability to drive it will
No.
No, it is not a legal over-the-counter drug or plant anywhere in the world.
Absolutely over the counter meds can kill anyone in a high enough dose.
yes and an over the counter drug... and an antiacid
an over the counter drug
No, it is a prescription drug.
Absolutely NOTHING! Any over the counter drug will not show up on a standard drug screen.
Sidenafil is not an OTC (Over The Counter) drug, it' s a prescription drug.
Benadryl