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For years, a common belief has circulated that drinking milk while sick can exacerbate cold symptoms, particularly by worsening congestion and increasing mucus production. However, emerging research challenges this long-standing notion, suggesting that the impact of milk on cold-related symptoms may be more psychological than physiological.
According to Dr. Julie Baughn, a specialist at the Mayo Clinic, there is no scientific evidence to support the claim that milk leads to increased mucus production. “No, drinking milk does not cause the body to make phlegm,” Dr. Baughn states. She explains that while mucus naturally thickens during respiratory infections, this process occurs regardless of milk consumption. The sensation of increased mucus may be attributed to milk’s temporary coating effect on the mouth and throat, which mimics the feeling of mucus buildup.
Despite Dr. Baughn’s clarification, the relationship between milk and mucus remains a subject of debate in the scientific community. A 2019 study published in the National Library of Medicine suggested that some individuals might experience increased mucus production after consuming dairy products. However, many earlier studies have found no direct correlation between milk and congestion in either healthy individuals or those with respiratory infections.
Current evidence suggests there is no need to avoid milk during respiratory illnesses unless a person has a diagnosed dairy sensitivity or lactose intolerance. If milk seems to worsen congestion for some individuals, they might benefit from tracking their symptoms or consulting a healthcare provider to determine if eliminating dairy could be helpful.
Interestingly, milk may provide some benefits for those battling a cold. Dr. Baughn points out that the cool, smooth texture of milk can help soothe an irritated throat, offering relief from discomfort. Additionally, milk’s nutritional content—such as protein and vitamins—can support the body’s recovery during illness.
For those looking for proven methods to alleviate cold symptoms, experts suggest the following home remedies:
- Staying hydrated with water, clear broths, and warm beverages
- Getting plenty of rest
- Using a humidifier to help ease congestion
- Gargling salt water to relieve sore throat pain
In conclusion, while the link between milk and worsened congestion remains inconclusive, there’s no need to avoid dairy unless there’s a specific sensitivity. For most individuals, milk can be part of a balanced approach to easing the discomfort of a cold or sore throat.
