Can patients with internal heat drink geranium tea?
Patients with internal heat generally should not consume geranium (Geranium wilfordii), and should pay attention to regulating their body condition.

If internal heat is caused by yin deficiency with fire hyperactivity, taking geranium may be inappropriate at this time. Although geranium can clear heat, it has a cold nature and may further damage the body's yin, leading to worsening symptoms. Individuals with an internal heat constitution typically exhibit excessive internal heat toxicity, possibly presenting with symptoms such as sore throat, dizziness, insomnia with night sweats, and heat sensations in the five centers (palms, soles, and chest).
Geranium has effects of clearing heat and detoxifying, but its primary actions are removing wind-damp, and promoting circulation of qi and blood through the meridians; therefore, it is not suitable for treating internal heat.
Individuals with an internal heat constitution should avoid blindly using herbal medicines when selecting traditional Chinese medicinal materials and should consult a professional TCM practitioner for advice. People with internal heat can improve their constitution by adjusting dietary habits and lifestyle practices, such as avoiding spicy and irritating foods and ensuring adequate sleep.
Maintaining a healthy lifestyle and eating a balanced diet while avoiding spicy and greasy foods during treatment can aid in recovery.