Although eating fish is healthy for most people, there are also a few people who are not suitable for eating fish.

1. Gout: Fish, shrimp and shellfish contain high purine substances. Therefore, patients with gout should abstain from sardines, anchovies, shrimp, roe, shellfish and crab roe to avoid acute gout attacks.

2, hemorrhagic diseases: such as hemophilia. People with thrombocytopenia and vitamin K deficiency should eat less or no fish. Because fish contain substances that inhibit platelet aggregation, it is easy to cause bleeding or aggravate bleeding symptoms in patients with hemorrhagic diseases.

3, patients with advanced cirrhosis: abnormal liver function, decreased liver coagulation factors, often bleeding tendency, eat less sardines, herring, tuna and so on. Carp and flounder can be eaten properly.

4. Patients with tuberculosis take isoniazid: When taking isoniazid, some fish are prone to allergic reactions, such as nausea, headache, skin flushing and conjunctival congestion. In severe cases, palpitation, facial swelling, rash, diarrhea, abdominal pain, dyspnea, elevated blood pressure, and even hypertensive crisis and cerebral hemorrhage may occur.

5. People who are allergic to themselves: Be more careful when eating fish.