Cefadroxil Information

Cefadroxil (brand name Duricef) is a first‑generation cephalosporin antibiotic used to treat a range of bacterial infections. It works by inhibiting bacterial cell wall synthesis, leading to the death of susceptible bacteria and relief of symptoms. As a beta‑lactam antibiotic, Cefadroxil targets Gram‑positive and some Gram‑negative organisms commonly involved in skin, throat, and urinary tract infections. It is available by prescription and should be used exactly as directed for optimal results.

Cefadroxil is commonly prescribed for bacterial skin and soft tissue infections, strep throat (streptococcal pharyngitis), and uncomplicated urinary tract infections (UTIs). It may also be used for certain dental, bone, or postoperative infections when appropriate and guided by culture results. Your healthcare provider will choose Cefadroxil based on the suspected bacteria, local resistance patterns, and your medical history. It is not effective against viral infections like the common cold or flu.

Take Cefadroxil exactly as prescribed, at evenly spaced intervals to maintain steady antibiotic levels in your body. You can take it with or without food; taking it with food may help reduce stomach upset. Swallow capsules with water and shake oral suspension well before each dose to ensure accurate dosing. Complete the full course even if you feel better early to reduce the risk of relapse and antibiotic resistance.

Common side effects include nausea, diarrhea, stomach discomfort, and headache, which are usually mild and temporary. Some people may experience rash, itching, or yeast overgrowth due to changes in normal flora. Serious but less common effects include severe allergic reactions, persistent watery or bloody diarrhea (possible C. difficile infection), and liver or kidney issues. Seek medical attention promptly for hives, swelling, breathing difficulty, or severe, persistent gastrointestinal symptoms.

Avoid Cefadroxil if you have a known severe allergy to cephalosporins, and use caution if you’ve had serious reactions to penicillins due to potential cross‑reactivity. People with significant kidney impairment may require dose adjustments and closer monitoring. Tell your healthcare provider about all allergies, past antibiotic reactions, and medical conditions such as gastrointestinal disease, especially colitis. A professional assessment ensures the antibiotic is safe and appropriate for you.

Cefadroxil has been used during pregnancy when the expected benefits outweigh potential risks, but decisions should be individualized by your healthcare provider. Small amounts may pass into breast milk, and while adverse effects in nursing infants are uncommon, watch for diarrhea, rash, or thrush. Always discuss your pregnancy or breastfeeding status before starting any antibiotic. Your provider can recommend the safest treatment plan for mother and baby.

Cefadroxil can interact with certain drugs, including probenecid (which may increase antibiotic levels) and anticoagulants like warfarin (which may require closer INR monitoring). Oral live bacterial vaccines may be less effective during antibiotic therapy. Alcohol does not have a specific interaction with Cefadroxil, but it can aggravate side effects such as stomach upset or dizziness, so moderation is advisable. Provide a full medication list, including supplements, to your healthcare provider.

If you miss a dose, take it as soon as you remember unless it is close to your next dose—if so, skip the missed dose and resume your regular schedule. Do not double doses, as this increases the risk of side effects without improving efficacy. In case of suspected overdose, seek medical help promptly, especially if you experience severe nausea, vomiting, confusion, or allergic symptoms. Keeping a dosing reminder can help maintain consistent antibiotic coverage.

Many patients notice symptom improvement within 24–72 hours of starting Cefadroxil as bacterial load decreases. The treatment duration depends on the infection type and severity, typically ranging from 5 to 14 days as directed by a clinician. Even if symptoms improve quickly, finishing the full course helps prevent recurrence and antibiotic resistance. If you are not improving by day 3, contact your healthcare provider for reassessment.

Store Cefadroxil capsules at room temperature in a dry place away from heat and moisture, and keep all antibiotics out of reach of children. If using the oral suspension, follow the label or pharmacist’s instructions; it is often refrigerated and used within a limited period after mixing. Always check the expiration date and discard unused suspension once it reaches the labeled beyond‑use date. For best results, keep the bottle tightly closed and measure doses with a proper dosing device.