Oranges Are in Season, but Doctors Warn: Never Eat Oranges With These Three Types of Foods

December arrives, and the streets and alleys overflow with oranges. Each golden, round fruit looks like a tiny lantern, glowing with irresistible charm.
Peel away the thin, soft skin, and the plump, juicy segments appear. Their sweet aroma fills the air, making you want to take a bite. The juice floods your mouth, the sweet–tart flavor dancing on your tongue — truly delightful.

Oranges belong to the Citrus genus, Rutaceae family. Like tangerines, they are brightly colored, sweet–tart, and rich in nutrients. They contain abundant vitamin C, calcium, phosphorus, sodium, magnesium, and essential compounds like carotene and citric acid. Oranges are refreshing, juicy, thick-fleshed, and lightly fragrant. They are also believed to help clear heat from the lungs, regulate qi and blood, dissolve phlegm, strengthen the spleen, and nourish the blood.

Recently, a new way of enjoying oranges has become popular: roasting them over the stove. During the cold winter, you can sit by the fire, sip tea, and warm a few oranges. The whole house fills with their soothing aroma, and roasted oranges have a uniquely different taste.
Although oranges are nutritious and delicious, there are some taboos to keep in mind. Doctors recommend avoiding certain combinations — and you should never eat oranges together with these three types of foods:

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1. Do not eat oranges with milk

Milk is a nutritious everyday drink rich in protein, calcium, and other nutrients. However, problems arise when milk is combined with oranges. The fruit acids in oranges react with the proteins in milk inside the stomach, causing the proteins to coagulate and clump.
This can interfere with digestion and absorption, and may lead to bloating, stomach pain, or diarrhea.
Imagine enjoying the sweet–tart taste of oranges and the richness of milk, only to suffer stomach discomfort because of their incompatibility — not worth it.
It’s best to wait 1–2 hours after drinking milk before eating oranges.

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2. Do not eat oranges with longan

Just as each person has a different constitution, foods also have different properties — some are cooling, some warm, some neutral.
Oranges are generally considered warm in nature, which is why older family members often advise not eating too many to avoid sore throat or heat-related symptoms.
Similarly, avoid pairing oranges with foods that are also warm, such as longan or goji berries. Eating them together is like “adding fuel to the fire.”

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3. Do not eat oranges while taking medication

Certain medications should not be taken with oranges. Oranges can inhibit certain enzymes in the body, affecting drug metabolism and potentially raising drug concentrations to unsafe levels.
Blood-pressure medication, cholesterol-lowering drugs, and sleeping pills may have reduced effectiveness or cause adverse reactions when combined with oranges.
For example, compounds in oranges may enhance the effects of blood-pressure medications, leading to a dangerous drop in blood pressure.
Therefore, always consult a doctor when taking medication to ensure it’s safe to consume oranges.

How to choose good oranges

Now that we know the taboos, here’s how to pick good oranges:

• Appearance: Choose bright, even-colored orange-yellow fruits.

• Skin texture: The peel should be smooth without blemishes. Rough skin may indicate less sweetness.

• Smell: Fresh oranges have a strong, pleasant fragrance. If the scent is faint or pungent, the fruit may be of lower quality.