Tretinoin Injection has anti-inflammatory and anti-allergic effects, and side effects such as immune dysfunction, neurological damage, digestive damage, systemic damage, and skin damage may occur after injection. Tretinoin injection can affect cytokines, thus achieving anti-inflammatory effect, and also can increase the stability of mast cell granules and reduce the release of histamine, thus achieving the effect of anti-allergy. The side effects of Triamcinolone acetonide injection include immune dysfunction, such as allergic reaction, anaphylaxis, etc.; including neurological damage, such as dizziness, headache, etc.; including digestive damage, such as nausea, abdominal pain, etc.; including systemic damage, such as chest tightness, fatigue, chills, etc., including skin damage, such as rash, itching, etc.. During the use of Trimethoprim Injection, if you have any adverse reactions, you should promptly inform your doctor, who will judge whether to stop the drug or take other necessary measures according to the severity of the adverse reactions.