Is A 110 Heart Rate Dangerous?

It depends upon age. If you are child then a heart rate of 110 is normal. If you are adult then normal heart rate is 60-100. It can be due to

1. High blood pressure
2. Smoking
3. Alcoholism
4. Hyperthyroidism
5. Electrolyte imbalance
6. Drug abuse
7. Heart diseases
   
8. Side effects of medicines

So, you should get advice from your doctor if your pulse is 110 beats per minutes.