My son, 13 months age, have been prescribed with the following medicines ? 1)sioplex ?l syrup (2.5 ml twice before meal) for 2 months 2)tonoferon drop (10 drops once after food) for 3 months but few days later, due to less appetite problem and allergic tendency, another doctor prescribed him the following medicines ? 1)cypon drop (10 drops twice before meal) for 2 months 2)astymin c drop (15 drops once after food) for 2 months can I give all the 4 medicines to my son every day? Or should I discontinue the first two medicines?