1. Purchase a SIM card if your carrier requires one. In order to activate your used phone, you will need to insert a SIM card for your plan. 1  Unless the device has been unlocked, it can generally only be activated on the same carrier it was originally activated on.
Whooping cough causes severe coughing spells, which can sometimes end in a whooping sound when the child breathes in. Before a vaccine was available, pertussis killed about 9,000 people in the United States each year. Now, the pertussis vaccine has reduced the annual number of deaths to less than 20.
Asthma - Asthma may be a cause of a steady cough. It is often accompanied by wheezing and chest tightness, but in some people, a cough is the only symptom. Acid reflux - Gastroesophageal reflux disease (GERD) can result in constant coughing due to the back up of acid from the stomach. A very common cause of coughing, GERD often causes episodes of coughing at night after lying down and often results in hoarseness the following morning.