Antibiotics are used to treat or prevent some types of bacterial infections. They aren't effective against viral infections, such as the common cold or flu. Antibiotics should only be prescribed to treat conditions:
1 A normal adult resting heart beat is between 60-100 heartbeats per minute. 2  Some experienced athletes may see their resting heartrate fall below 60 beats per minute. 3  Tachycardia refers to the heart beating too fast at rest-over 100 beats per minute.
Quick Answer. The normal heart rate range is between 60 to 100 beats per minute, although some individuals, such as athletes, may have a lower normal resting heart rate, according to Mayo Clinic. Children younger than 10 years old can have a higher range of resting heart rate, claims MedlinePlus.