How long do you usually take thalidomide tablets for mouth ulcers?

Thalidomide tablets for the treatment of oral ulcers are usually maintained for more than 3 months in order to prolong the ulcer-free period of patients, as follows.
The main ingredient of thalidomide tablets is thalidomide, which has immunomodulatory effects, anti-angiogenesis and other effects, and is effective in the treatment of persistent ulcers such as heavy aphthous ulcers. The serious side effect of this drug is teratogenic, and other adverse reactions include peripheral neuritis, constipation, atopic dermatitis, lower limb edema and so on. Therefore, pregnant and lactating women, children are prohibited.
In order to minimize adverse reactions, a small dose of 25-50 mg, taken after dinner, is usually used to maintain the course of treatment for more than 3 months, which is expected to prolong the ulcer-free period of the patient.
Drugs should be used under the guidance of a doctor, it is recommended to visit a regular medical institution to receive professional treatment.