Amoxicillin is a penicillin-class antibiotic prescribed for bacterial infections like strep throat, pneumonia, and ear infections. It disrupts bacterial cell walls, effectively treating gram-positive and some gram-negative bacteria. Doctors favor it for its safety profile and oral bioavailability.
This antibiotic inhibits enzymes involved in bacterial cell wall synthesis, leading to cell lysis. It’s bactericidal, meaning it kills bacteria rather than just slowing growth. Its broad-spectrum action covers common pathogens like Streptococcus and H. influenzae.
Available as tablets, capsules, chewables, and oral suspensions. Typical adult doses range from 250–500 mg every 8–12 hours. Pediatric doses are weight-based. Always follow prescribed guidelines.
Mild effects include diarrhea, nausea, or skin rash. Severe allergic reactions (e.g., swelling, difficulty breathing) require immediate care. Report persistent symptoms to your doctor.
Overuse contributes to antibiotic-resistant bacteria. Complete the full course even if symptoms improve early. Never save leftovers for future use.
Store tablets at room temperature. Refrigerate oral suspensions but discard after 14 days. Keep away from moisture and light.
Compared to ampicillin, amoxicillin has better oral absorption and is more acid-resistant. It’s often paired with clavulanate (Augmentin) to combat resistant bacteria.
Patients with penicillin allergies, mononucleosis, or liver/kidney disease may need alternatives. Provide a full medical history to your prescriber.
Generally safe for pregnant and breastfeeding women, but consult a doctor. Studies show minimal risk to fetal development.
Interacts with blood thinners (e.g., warfarin), probenecid, and live vaccines. Inform your doctor about all medications and supplements.
Brands include Amoxil and Moxatag. Generic versions are equally effective and more affordable.
Take a missed dose as soon as possible. If it’s near the next dose, skip the missed one. Avoid doubling doses.
Amoxicillin treats bacterial infections such as sinusitis, otitis media, urinary tract infections (UTIs), and Lyme disease. It’s ineffective against viral infections like colds or flu.
Patients often notice improvement within 2–3 days. Finish the entire prescribed course to prevent recurrence or resistance.
Yes, it may disrupt normal flora, leading to yeast overgrowth. Probiotics or antifungals can help manage this side effect.
Yes, in liquid form and proper doses. Pediatricians adjust dosage based on weight and infection severity.
Evidence is mixed, but some studies suggest reduced contraceptive efficacy. Use backup methods during treatment.
Food doesn’t affect absorption but may reduce stomach upset. Follow label instructions or pharmacist advice.
Always disclose allergies to healthcare providers before starting amoxicillin.
Alcohol won’t reduce efficacy but may worsen side effects like nausea or dizziness. Moderate consumption is generally safe.
Adults typically take 500 mg every 8–12 hours. Severe infections may require higher doses (e.g., 875 mg twice daily).
Refrigerate but avoid freezing. Shake well before use. Discard unused portions after 10–14 days.
Yes, it’s a first-line treatment for Group A Streptococcus. A 10-day course is usually prescribed.
Contact your doctor. Inconsistent use can lead to treatment failure or antibiotic resistance.
Vets prescribe veterinary-specific formulations. Never give human amoxicillin to pets without guidance.
Consult a vet for proper pet dosing and administration.