02/16/2025
You may have heard me recommend against cough medications for children less than 6 years of age. Why is that? What can you use instead?
One of the main ingredients in over-the-counter cough medications is dextromethorphan (eg, Robitussin and Delsym). Several studies have found no benefit in using dextromethorphan when it comes to cough severity or sleep quality. Side effects (although rare when used at reasonable doses) include confusion, speaking difficulties, stupor, nystagmus, ataxia, urinary retention, dystonia, coma, hallucinations, tachycardia, seizures, and respiratory depression.
Guaifenesin (eg, Mucinex) is another common over-the-counter ingredient for treating cough. While the side effect profile is much less concerning than dextromethorphan, this drug has failed to show measurable effects on sputum volume or viscosity in clinical trials, suggesting that it is unlikely to be effective when used to treat acute respiratory tract infections (aka the common cold).
What about v***r rubs? A randomized trial of Vicks VapoRub found that a single application was associated with a decrease in cough and congestion when compared to placebo. Children also reportedly had improved sleep as well. Because of the presence of camphor as an ingredient, seizures can result from v***r rub ingestions, so do NOT allow your children to eat it. Avoid use in children under 2 years old (they are highly likely to rub it in their mouth and/or eyes). Make sure to apply to the chest or neck, not inside the nose.
At any age, a cool-mist humidifier or v***rizer can be used to moisten the air to lessen cough and congestion. ☁ Do not worry about the color or consistency of your child’s mucus – the idea that green is bad is a myth.
One of my favorite things to teach parents: A sore throat paired with the cough and runny nose is likely viral and does NOT warrant testing for strep throat! Older kids can try gargling salt water. Otherwise, offer plenty of fluids, rest, and Tylenol/Motrin as needed for discomfort.
Coughing is the body's natural way of protecting the lungs from mucus build-up and subsequent pneumonia. If the cough is really bothersome (interfering with sleeping, eating, etc.), try giving half a teaspoon of honey for children ages 1-5 years or 1 teaspoon for kids ages 6 and above. Cough drops or lozenges are okay at the age of 4 years and up, but they serve as a choking hazard for younger children. Do not given honey to infants less than 1 year of age.
Lastly, cough and congestion can last for weeks. HANG IN THERE, but see your doctor if a true fever (100.4F and above) lasts for more than 4 days in a row. Prevent the spread of germs by washing your hands (or using alcohol-based hand sanitizer) a LOT. Cover your nose and mouth with a tissue or sleeve whenever you cough or sneeze. Avoid touching eyes, nose, and mouth whenever possible. 👍
Primary Sources:
1. Lam SHF, Homme J, et al. Use of antitussive medications in acute cough in young children. J Am Coll Emerg Physicians Open. 2021 Jun 18;2(3):e12467
2. Lowry JA, Leeder JS. Over-the-Counter Medications: Update on Cough and Cold Preparations. Pediatrics in review 2015;36:286-98.