| Many foods can be dangerous for small children since they can aspirate the items, which will result in blockage of the breathing passages. |
| Kidney stones are another source of blockage that may obstruct the path of urine. |
| Symptoms frequently start in the neonatal period and include a chronic nasal discharge or nasal blockage and cough. |
| If there is a blockage, try to get most of it out and then flush with a garden hose. |
| A common cause of blockage is when people attempt to clean the ear, for example with a cotton bud. |
| In other words, there's very slight blockage and they want to take a preventative move, prophylactic heart surgery. |
