Lemon rose tea does not usually cause serious side effects, but long-term or excessive consumption may cause some adverse effects on the body, including:

1. Indigestion: Lemon and rose are both foods with a mild laxative effect, so overconsumption may lead to diarrhea, bloating, stomach pain and other indigestion symptoms.

2. Bone dilution: Lemon and rose tea contains acidic substances, excessive consumption may affect the absorption of calcium, resulting in bone dilution.

3. Tooth damage: lemon contains acidic substances, excessive consumption of lemon tea may corrode teeth, resulting in tooth damage.

4. Allergic reactions: allergens may be present in lemon rose tea, and people with allergies may experience allergic reactions such as rashes, itching, and shortness of breath.

5. Drug interactions: Lemon rose tea may interact with some drugs, affecting the efficacy of the drug or causing adverse reactions. Therefore, people who are taking medications should avoid drinking lemon rose tea or drink it under the guidance of a doctor.