The side effects and hazards of psyllium husk powder are mainly that it may cause allergies, and it is not recommended for people with weak spleen and stomach functions, as it may cause gastrointestinal discomfort after consumption. Psyllium husk powder, in fact, is the powder formed after the seed shell of psyllium is processed and crushed, and the seed coat of psyllium has the effect of sliding intestines, which can be used to treat constipation. Be aware that psyllium husk powder also has side effects, such as causing gastrointestinal discomfort, allergies, etc. Some people who are weak and have their own gastrointestinal indigestion may suffer from diarrhea, or more serious symptoms may occur after consumption. Those who are allergic to psyllium husk powder will cause itching of the skin, small pimples, and in severe cases, may cause shock and other allergic symptoms. If you need to take it, please use it under the advice and guidance of a doctor.