Only one patient dropped out because of adverse drug reactions.

You had a bad drug reaction but your vision will clear in a few minutes.

These adverse drug reactions result in an estimated economic cost of $136 billion per year.

"He could be having some sort of drug reaction."

A drug reaction or side effect to a pain medication, to an antibiotic?

He said the sole death in this group resulted from a drug reaction.

So I thought it might have been a one-time thing, maybe a drug reaction.

A few minutes ago you mentioned thinking he might be having a drug reaction.

Several reports have been made of adverse drug reactions in India.

He died due to a drug reaction in 1968.