Are the side effects of cefaclor sustained-release tablets significant?

Nov 24, 2025 Source: Cainiu Health
Dr. Ren Yi
Introduction
The side effects of cefaclor sustained-release tablets are generally mild. If the medication is taken as prescribed, and the patient has no history of drug allergy and normal liver and kidney function, only mild gastrointestinal reactions such as nausea, slight diarrhea, or transient dizziness may occur. These symptoms usually resolve spontaneously after discontinuation of the drug. In such cases, the impact of side effects is minimal, and there is no need for excessive concern.

Generally, the side effects of cefaclor sustained-release tablets are mild and well-tolerated by most people. However, a minority may experience significant discomfort requiring adjustment of medication. If in doubt, it is advisable to consult a healthcare provider in advance. The detailed analysis is as follows:

If cefaclor sustained-release tablets are taken as prescribed, and the individual has no history of drug allergy and normal liver and kidney function, only mild gastrointestinal reactions may occur, such as nausea, mild diarrhea, or transient dizziness. These symptoms typically resolve spontaneously after discontinuation of the drug. In such cases, the impact of side effects is minimal and generally not a cause for excessive concern.

However, if the dosage exceeds the recommended level, the treatment duration is too long, or the individual has an allergy to cephalosporins or impaired liver or kidney function, severe side effects may occur. These include allergic reactions such as rash and difficulty breathing, or abnormal liver and kidney function tests. In these situations, the risk of side effects is significantly higher, and the drug should be discontinued immediately with prompt medical attention sought.

Before taking cefaclor sustained-release tablets, inform your doctor about any history of allergies and underlying medical conditions. Strictly follow medical instructions regarding dosage and duration—do not adjust the dose on your own. If any unusual discomfort occurs during treatment, discontinue the medication promptly and report it to your doctor. Additionally, avoid alcohol and alcoholic beverages during treatment.

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