By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. My baby was 3 weeks old when she became very sick and had to go to Childrens Hospital. They gave her Infants Tylenol there, and ever since (shes 5 1/2 months now) when she goes to get her vaccines, she gets a dose of Tylenol 30 min. before her appointment. Most babies usually get their first tooth between 4 and 7 months, but every baby is different. A few may not even get their first tooth until after their first birthday. Most toddlers have a full set of 20 teeth by the time they’re 3 years old. Teething 7 month old, Infant Tylenol, Infant Motrin, Teething Tablets??? Asked 20 Jun 2012 by seven124 Updated 25 June 2012 Topics motrin, orabase baby teething gel, tylenol, tylenol infant Have saline nose drops and a rubber dropper on hand. The drops can help thin mucus and make it easier to remove from your baby’s nose. Run a cold water humidifier in your baby’s room to add moisture to the air. I misunderstood the dosing directions given by my doctor and accidentally gave my baby more Tylenol than needed for his fever because I gave an actual dropper and a half instead of the.08 and.04 that they meant when they said a dropper and a half. My doctor said that I can give my 2 month old baby tylenol after the vaccines as she may develop a fever and may get cranky. I forgot to ask the doctor for the dosage. Infant Tylenol Dosage Chart by Weight You’ll notice on the bottle of Infant Tylenol that it doesn't give dosages for children under 2 years old, but instead says to call your doctor. She'll be able to recommend whether or not to give Tylenol and what the correct dosage should be based on baby's weight. The only thing you can give a 7 mo old for a stuffed up nose is nasal saline. If it's a bacterial infection the pediatrican can prescribe antibiotics but most pediatricians refrain from antibiotics as a first choice, in order to help build the immune system.