My son started taking Singulair last year for seasonal allergies ...

My son started taking Singulair last year for seasonal allergies which cause his asthma to act up. He is now 7, and it wasn't until my husband read yesterdays news about the drug that I started to make sense of everything. My son is normally a very gentle, calm child who loves everyone. In the last several months he has developed a temper, is talking back and frustrated easily. His other symptoms include: headaches, stomacher pains,(especially after drinking milk and he has never been lactose intolerant), nightmares, a constant shivering feeling(we live in south Florida), neck pain, mood swings, anxiety and several ear infections within weeks. I am waiting for a call back from our pediatrician. As of today, my son will no longer take this seemingly unsafe drug. I'm also going to do more research on what we can do as parents and patients to help protect the safety of our health.