Less serious side effects may include: headache, dizziness, drowsiness, feeling tired; dry mouth, hoarse voice; dry eyes, blurred vision; nausea, loss of appetite, upset stomach, heartburn; mild constipation; or; fever, sore throat, body aches, or other flu symptoms. This is not a complete list of side effects and others may occur.
The first set of molars is called the one year molars because almost all children get these molars sometime relatively close to their first birthday. This might be a bit before, or as late as six or eight months after he turns one.
Still, it's not uncommon to see a baby with four bottom and no upper teeth, or the reverse. A general timeline: 6 months: lower central incisors. 8 months: upper central incisors. 10 months: lower and upper lateral incisors. 14 months: first molars. 18 months: canines. 24 months: second molars.