- Active ingredient: Cephalexin
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- Author: Dr. Stuart Aitken
- Last reviewed: 13 June 2023
Cephalexin is a generation I cephalosporin antibiotic, which can be applied in the therapy of health conditions associated with the bacterial infection sensitive to the effects of the drug. You can order Cephalexin online in the form of capsules, oral suspension, or tablets. The Cephalexin uses are numerous: the therapy of upper and lower respiratory tract infections, urinary tract infections, ear infections, bone, skin, and joint infections.
The Benefits of Cephalexin
- A wide spectrum of action;
- Safe for use in pregnant women;
- Safe for the nursing baby if taken by the mother;
- It can be an alternative drug for people intolerant to penicillin;
- Convenient to take as several medical forms of the drug are available.
Why Buy Cephalexin in Our Online Pharmacy?We have several strong reasons to convince you to buy Cephalexin online in our online pharmacy:
- We sell Cephalexin over the counter;
- Our prices are lower than in other online pharmacies;
- We provide only top-quality medications;
- We ship the orders in opaque packages without a mark of what is inside;
- We guarantee free delivery of all orders over $200.
How to Take CephalexinIf you are prescribed Cephalexin tablets or capsules, the recommendations listed below may be useful for you.
- Take the drug on an empty stomach;
- It’s better to administer the tablet at regular intervals;
- Take the pill whole;
- Never exceed the prescribed dosing regimen;
- Continue taking the drug for the full-prescribed term even if you already don’t have symptoms of the disease.
The tablet and the capsule form of the medication are available in 250 mg and 500 mg dosage strengths. The maximum safe daily dose of the drug is 4g. The common daily dose varies from 1g to 2g daily, divided into two or four intakes. Usually, the doctors recommend taking Cephalexin 500 mg twice a day for 7 to 14 days.
The pediatric dose of the medication should be set taking into account the weight of the child. In pediatric patients, the oral suspension form of the drug should be used.
Taking Medicine for the First TimeThe uncontrolled use of antibiotics is never a good idea. Therefore, you should only order Cephalexin online if you have been prescribed the treatment with this drug. Start the therapy with the lower dose of the drug, which is 250 mg four times daily. It will reduce the risks of possible Cephalexin side effects without altering the effectiveness of the preparation.
How Do I Pick the Right Dose?When it goes about the choice of the right Cephalexin dosage, it has to be clear what is Cephalexin used for. Depending on the severity of the infection, you can take the drug either in the 250 mg dose four times a day (the preferred dosing regimen) or administer Cephalexin 500 mg twice daily. However, the choice of the appropriate dosing regimen should be made with a doctor’s approval.
Common Side EffectsThe Cephalexin side effects are quite common for all antibiotics. The unwanted reactions appear in 5.6% of patients. They can manifest through:
- Stomach upset.
How Does Cephalexin Work?The antibacterial effect of Cephalexin capsules is the result of the influence of the active ingredient of the medication on the synthesis of one of the layers of the bacterial cell wall. As a result, the growth of the bacteria is stopped, which allows the immune system of the patient to cope with the infection easier.
How Effective Is Cephalexin?In one of the clinical trials, the response rate of the patients suffering from soft tissue or respiratory infections to the therapy with Cephalexin 500 mg reached 80% within 5 days of use. Similar figures were demonstrated in some other studies on Cephalexin efficiency. Therefore, it becomes clear that Cephalexin is a potent and highly efficacious beta-lactam antibiotic.
How Long Does Cephalexin Last?Cephalexin has a relatively short elimination half-life. To support the stable concentration of the drug in the organism, it’s crucial to take it at the even gaps of time. The first results of treatment with Cephalexin can be noticed within 48 hours after the first pill intake. Higher doses of the drug allow reaching the positive dynamics in the therapy faster, yet it doesn’t speed up the complete recovery.
Who Can Take Cephalexin?This medication can be applied to adults, geriatric, and pediatric patients. Cephalexin in Australia belongs to the pregnancy category A, which means it is safe for both the woman and the fetus. Cephalexin is contraindicated in patients with a known hypersensitivity to cephalosporin or penicillin. Special caution is needed in those suffering from penicillin intolerance as they are at high risk for hypersensitivity reactions. Severe impairment of the renal function can be a reason for dose adjustment and close monitoring of the patient’s condition.
FAQs about Cephalexin
Q: Is Cephalexin a powerful antibiotic?
A: Cephalexin, belonging to the cephalosporin class of antibiotics, is widely recognized for its efficacy in treating a broad spectrum of bacterial infections. Cephalexin is often prescribed for treating respiratory tract infections, skin infections, ear infections, and urinary tract infections caused by susceptible bacteria. While it may not be as potent as some newer generation antibiotics, its effectiveness and safety profile make it a strong choice for combating various types of bacterial infections when indicated.
Q: Is Cephalexin as strong as Amoxicillin?
A: Cephalexin and Amoxicillin are both antibiotics commonly prescribed to treat bacterial infections. Though they belong to different classes (Cephalexin is a cephalosporin antibiotic, while Amoxicillin is a penicillin antibiotic), they share a similar mechanism of action by inhibiting bacterial cell wall synthesis. When it comes to their potency, it is difficult to directly compare the strength of Cephalexin and Amoxicillin, as their effectiveness largely depends on the specific type of infection and the susceptibility of the causative bacteria.
In certain cases, Cephalexin may be considered a better choice due to its broader spectrum of activity, especially against gram-positive bacteria. On the other hand, Amoxicillin is often preferred for its enhanced efficacy against some gram-negative bacteria and its ability to be combined with clavulanic acid, which helps overcome bacterial resistance. Ultimately, the choice between Cephalexin and Amoxicillin should be determined by a healthcare professional based on factors such as the patient's medical history, the nature of the infection, and potential drug interactions.
Q: What should I avoid while taking Cephalexin?
A: While taking cephalexin, it is important to avoid certain activities and substances to ensure the medication's effectiveness and to prevent potential side effects. Firstly, refrain from consuming alcohol, as it may exacerbate adverse effects such as dizziness and gastrointestinal issues. Additionally, avoid using other medications without consulting a healthcare professional, as they may interact with cephalexin and lead to complications. This is particularly relevant for anticoagulants, as the combination may increase the risk of bleeding. Lastly, it is crucial to complete the prescribed course of cephalexin, even if symptoms improve before the end of treatment, to prevent the development of antibiotic-resistant bacteria.
Q: What happens if you take Cephalexin on an empty stomach?
A: Taking Cephalexin on an empty stomach may lead to gastrointestinal issues such as nausea, vomiting, and diarrhea. This is because the antibiotic may cause irritation to the stomach lining when it is not buffered by food. To minimize these side effects, it is recommended that Cephalexin be taken with a meal or a light snack. Additionally, staying well-hydrated while taking this medication can help alleviate some gastrointestinal discomforts. If you experience persistent or severe gastrointestinal symptoms after taking Cephalexin on an empty stomach, consult your healthcare professional for further guidance and potential adjustments to your treatment plan.
Dr Stuart Aitken has a great experience in the public system working as a senior staff specialist for many years. Qualification: M.B, B.S University of Queensland 1996, Dip. Ven. 2001, FAChSHM 2006.