1, blood pressure is too low
2, blood sugar is too low
3, drinking tea is too strong: especially cooked tea, because the taste is soft, it is easy to soak too strong.
Step 4 drink tea on an empty stomach
5. Physically sensitive to Chata.
Corresponding countermeasures:
In the case of 1, 2, 3, you should generally avoid drinking strong tea, and you can also add some honey or glucose to the tea. The emergency solution is to eat a few sweets, which can relieve the symptoms.
For 4 or 5 cases, one is to avoid drinking strong tea, and the other is to avoid drinking tea on an empty stomach. The emergency plan is to eat some cakes.