Is it healthy to eat ice cream when sick?

January 10, 2026 •

4 min read

According to a 2018 review in the Archives of Disease in Childhood, the belief that dairy products like ice cream increase mucus production is a persistent myth with little scientific support. As many consider this cold treat a comfort food during illness, a common question arises: is it healthy to eat ice cream when sick?

Quick Summary

This article explores the pros and cons of eating ice cream while ill, considering factors like temporary sore throat relief, hydration benefits, and the impact of its high sugar and dairy content on immune function and inflammation. It discusses alternative options for soothing symptoms and provides practical advice for a speedy recovery.

Key Points

Sore Throat Relief: The cold temperature of ice cream can temporarily soothe a sore throat, acting as a mild, numbing anesthetic, particularly useful after a tonsillectomy.
Potential for Inflammation: The high sugar content in most ice creams can cause inflammation and may temporarily suppress immune function, which is counterproductive during illness.
Dairy and Mucus: The myth that dairy increases mucus production is largely unfounded, though some people may perceive a thicker sensation in their throat.
Hydration Benefits: Ice cream has a high water content, contributing to hydration, but it should not replace essential fluids like water, tea, or broth.
Healthier Alternatives: Better choices for soothing symptoms include low-sugar popsicles, fruit smoothies, warm broths, and herbal tea with honey, which offer nutrients without high sugar levels.
Moderation is Key: Eating a small, plain portion of ice cream is acceptable if it provides comfort, but it should not be the main focus of your diet when sick.

The Soothing Side: Why Cold Foods Can Feel Good

For many, ice cream and other cold foods are a go-to during an illness, and there's a good reason for this. The cold temperature can provide temporary, localized relief for irritated or inflamed tissues. When dealing with a sore throat, the chilling effect can act as a mild anesthetic, numbing the pain and making swallowing easier, especially for tonsillitis. This can be particularly beneficial if a lack of appetite is an issue, as it provides some calories and hydration that might otherwise be missed. Additionally, for those with a fever, consuming something cold can offer a momentary cooling sensation. However, it is crucial to remember that this relief is palliative, meaning it only eases symptoms rather than addressing the root cause of the illness.

The Sugar and Dairy Debate

Despite the soothing effects, ice cream comes with potential drawbacks due to its high sugar and dairy content. It's a common misconception that dairy increases phlegm production, but studies have found little to no correlation. Some people, however, may perceive mucus as thicker after consuming dairy products due to a certain mix of fat and saliva. If you have a dairy sensitivity or find that it bothers you, opting for dairy-free alternatives is a wise choice.

More significant is the concern over sugar. High sugar intake is known to cause inflammation and can temporarily reduce the effectiveness of white blood cells, which are crucial for fighting off infection. When you are already battling an illness, a large influx of sugar from ice cream could potentially hinder your body's immune response. Many healthcare professionals advise limiting sugary treats when sick to avoid this inflammation, especially in the throat. Therefore, while a small amount might provide comfort, consuming large portions could be counterproductive to your recovery.

Ice Cream vs. Better Alternatives: A Comparison

To make an informed choice when you're feeling under the weather, here is a comparison between ice cream and some healthier alternatives:


Feature	Ice Cream	Broth-Based Soups	Herbal Tea with Honey
Symptom Relief	Soothes sore throat with coldness, but high sugar can cause inflammation.	Warmth soothes throat and clears congestion.	Soothes throat and clears congestion with warmth.
Hydration	Contains water, but high sugar content can counteract hydration efforts.	Excellent for rehydration and replenishing electrolytes.	Excellent for hydration; can be soothing with honey.
Nutritional Value	Provides calories but lacks vitamins and minerals essential for immune support.	Often contains immune-boosting vitamins, protein, and minerals.	Provides fluid and antioxidants; honey has antimicrobial properties.
Immune Impact	High sugar can suppress immune function and promote inflammation.	Supports immune function with nutrients and anti-inflammatory properties.	Supports immune function with antioxidants and anti-inflammatory benefits.
Digestibility	Can be easy to swallow but may be harder to digest due to fat content.	Easy to digest and gentle on the stomach.	Easy on the stomach.

The Verdict and Healthy Recommendations

Ultimately, eating a little plain ice cream for a sore throat is unlikely to cause significant harm, and if it brings you comfort and provides some calories when you have no appetite, it can be a small victory. However, it should be enjoyed in moderation and not be the primary source of nutrition. The best approach is to prioritize fluids and nutrient-dense foods that actively support your immune system. For sore throats, try a small scoop of a low-sugar, smooth variety or a fruit-based sorbet. For overall illness, opt for foods that are genuinely beneficial for your body.

Healthier Cold and Warm Options When Sick

Popsicles or Ice Chips: Provide hydration and soothe the throat without the high sugar and fat content of ice cream. Look for low-sugar, fruit-based options.
Smoothies: Blend nutrient-rich fruits and vegetables with a low-sugar base like unsweetened almond or coconut milk. This provides vitamins and hydration in an easy-to-swallow form.
Warm Broths and Soups: A classic remedy for a reason. They provide hydration, soothe the throat, and offer essential nutrients.
Herbal Tea with Honey: Warm fluids like herbal tea with a spoonful of honey can soothe a cough and a sore throat.
Yogurt with Live Cultures: Probiotic-rich yogurt can support gut health, which is vital for a strong immune system.

Conclusion: Listen to Your Body

When you're sick, the most important thing is to listen to your body and prioritize what helps you feel better while supporting your immune system. While ice cream can offer temporary comfort, especially for a sore throat, it is not a cure-all. Its high sugar content is a notable drawback that could hinder recovery by promoting inflammation. A balanced approach involves choosing healthier alternatives that provide better nutritional support and hydration, reserving ice cream as a small, mindful treat if it truly helps you feel a little better. Proper rest, hydration, and nutrient-rich foods remain the cornerstones of a speedy recovery.

Optional Link Example: For more in-depth information on nutrition during illness, you can consult resources like the Cleveland Clinic's health articles(https://health.clevelandclinic.org/what-to-eat-when-you-have-the-flu).

Frequently Asked Questions

While the connection between dairy and mucus is largely a myth, some people may feel that dairy temporarily thickens their mucus, which could be uncomfortable with congestion. A cold, non-dairy alternative like sorbet might be a better choice if you are concerned.

Eating ice cream can provide a temporary cooling sensation, but it does not significantly lower your body temperature or treat the fever itself. The calories and hydration can be beneficial if you have a poor appetite.

Consider low-sugar popsicles, fruit-based sorbets, homemade fruit smoothies, or warm options like chicken broth and herbal tea with honey. These can provide hydration and nutrients without the inflammatory effects of high sugar.

For most people, there is no need to avoid all dairy when sick. However, if you are lactose intolerant or find that dairy products make your throat feel uncomfortably coated, choosing dairy-free options is a good idea.

Yes, ice cream is often recommended after a tonsillectomy. The cold temperature helps numb the area and reduce swelling, making it a soothing and easy-to-swallow food during the recovery period.

Yes, excessive sugar intake can reduce the effectiveness of white blood cells and cause inflammation. While a small treat is acceptable, it is best to limit sugary foods to allow your immune system to function optimally.

Opt for varieties with lower sugar content, or fruit-based sorbets which are dairy-free and can provide some vitamins. Choose creamy, smooth textures and avoid options with crunchy nuts or candy that could irritate a sore throat.