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The following safety information outlines the potential risks and necessary precautions associated with the use of this medication. It is important to review these details carefully and discuss any concerns with your healthcare provider.

• Allergic Reactions: There is a risk of allergic reactions, such as rash, hives, facial swelling, or severe reactions like anaphylaxis, which can cause throat closure. Inform your healthcare provider if you have allergies to penicillin or other cephalosporin antibiotics. Seek immediate medical assistance if you experience symptoms such as a rash, hives, swelling of the lips or tongue, or difficulty breathing after taking this medication.

• Diarrhea Due to Clostridioides difficile Infection: Antibiotics, including cephalexin, can increase the likelihood of a Clostridioides difficile (C. diff) infection. This is due to antibiotics altering the balance of normal bacteria in your gastrointestinal tract, potentially leading to severe diarrhea that can be life-threatening.

• Development of Drug-Resistant Bacteria: It is crucial to take cephalexin exactly as prescribed. Deviating from the prescribed duration or using the antibiotic for other conditions may increase the risk of developing infections with drug-resistant bacteria, which can be severe and difficult to treat.

• Seizures: There is an elevated risk of seizures when using cephalexin, particularly at high doses or if you have kidney problems and the dose has not been adjusted accordingly. If you have a history of seizures or kidney issues, discuss with your healthcare provider whether this medication is suitable for you.

• Increased Bleeding Risk: Cephalexin may elevate the risk of bleeding, especially if you have kidney or liver problems, poor nutrition, or are on anticoagulant medications. Monitor for signs of excessive bleeding, such as unexplained bruising or blood in urine/stool. If you are on blood thinners, consult with your healthcare provider for necessary blood tests or dose adjustments.

Contraindications:

• Do not use this medication if you have a severe allergy to cephalosporin or beta-lactam antibiotics, as it may pose significant health risks. Always consult your healthcare provider if this applies to you.

When taking this medication, you may experience some common side effects such as diarrhea, nausea, vomiting, indigestion, or stomach pain. These are usually mild and tend to resolve on their own, but if they persist or worsen, it is advisable to consult your healthcare provider for guidance.

There are also other side effects that can occur, including dizziness, fatigue, headache, confusion, joint pain, or the development of a yeast infection. While these are reported less frequently, it's important to be aware of them and seek medical advice if they become troublesome.

In rare cases, severe side effects can occur, which require immediate medical attention. These include serious allergic reactions characterized by hives, rash, blisters, swelling of the lips, tongue, or face, and difficulty breathing. Additionally, there is a rare but serious risk of developing an intestinal condition caused by C. difficile, which can lead to severe diarrhea, abdominal cramping, and the presence of blood or mucus in the stool. If you notice these symptoms, avoid using anti-diarrhea or opioid products as they can worsen the condition, and seek urgent medical care.

While the list above covers the most notable side effects, other unlisted effects may occur. If you experience any unusual symptoms, it is always best to contact your healthcare provider for advice.