1. Side effects of lotus leaves: Lotus leaves are cold, and moderate drinking can protect health, but excessive consumption can cause adverse reactions such as body cold and abdominal distension. It is recommended to drink it in moderation and take it with other warm drugs.

2. Contraindications of lotus leaf: (1) Menstrual women: Lotus leaf tea is cold, so it is best not to take it during menstruation to avoid irregular menstruation and aggravate dysmenorrhea. (2) Use it with caution for those with spleen-stomach deficiency and cold, and those with weak qi and blood, so as to avoid physical weakness. (3) Pregnant women: Lotus leaf cold easily affects the health of pregnant women and fetuses, so it is not recommended to take it. If you have any adverse reactions, you should seek medical advice in time.

Side effects and contraindications of lotus leaf:

1. Side effects of lotus leaves: Lotus leaves are cold, and moderate drinking can protect health, but excessive consumption can cause adverse reactions such as body cold and abdominal distension. It is recommended to drink it in moderation and take it with other warm drugs.

2. Contraindications of lotus leaf: (1) Menstrual women: Lotus leaf tea is cold, so it is best not to take it during menstruation to avoid irregular menstruation and aggravate dysmenorrhea. (2) Use it with caution for those with spleen-stomach deficiency and cold, and those with weak qi and blood, so as to avoid physical weakness. (3) Pregnant women: Lotus leaf cold easily affects the health of pregnant women and fetuses, so it is not recommended to take it. If you have any adverse reactions, you should seek medical advice in time.

Lotus leaf, as a common Chinese herbal medicine, has certain medicinal value, but if used improperly, it may also have certain side effects and toxicity.

Common side effects of lotus leaf include:

1. Gastrointestinal discomfort: Long-term use or excessive use of lotus leaves can easily cause diarrhea, nausea, vomiting and other symptoms.

2. Allergic reaction: Some people are allergic to lotus leaves. If allergic reactions such as rash, flushing and itching occur after taking it, you should stop using it in time.

3. Lowering blood sugar: Lotus leaf can lower blood sugar, but for diabetic patients, if taken too much or improperly, it may lead to hypoglycemia.

Lotus leaf is less toxic, but the following matters should be noted:

1. Lotus leaves contain a certain amount of oxalic acid, and excessive consumption may have adverse effects on human body.

2. Try to avoid bathing in the lotus pond, because there may be various bacteria, microorganisms and parasites in the lotus pond, which may easily cause skin inflammation and allergic reactions.

In short, when using lotus leaves, we should do what we can and follow the doctor's advice to avoid taking too much or using it improperly, so as to avoid unnecessary side effects and toxicity.