What medicine is amoxicillin?
Amoxicillin is a widely used antibiotic that belongs to the penicillin class of antibiotics. It exerts a bactericidal effect by inhibiting bacterial cell wall synthesis and is commonly used to treat a variety of infections caused by susceptible bacteria. The following is a detailed introduction to amoxicillin, including its pharmacological effects, indications, usage and dosage, adverse reactions and precautions.
1. Pharmacological effects
Amoxicillin is a beta-lactam antibiotic that interferes with bacterial cell wall synthesis, causing bacterial lysis and death. It has good antibacterial activity against a variety of Gram-positive and Gram-negative bacteria.
| Bacteria type | Examples of sensitive bacteria |
|---|---|
| Gram-positive bacteria | Streptococcus, Staphylococcus |
| Gram-negative bacteria | Escherichia coli, Haemophilus influenzae |
2. Indications
Amoxicillin is mainly used to treat the following infections:
| Type of infection | specific disease |
|---|---|
| respiratory tract infection | Tonsillitis, bronchitis, pneumonia |
| urogenital infection | Cystitis, urethritis |
| Skin and soft tissue infections | Impetigo, cellulitis |
| other infections | Otitis media, sinusitis |
3. Usage and dosage
The dosage of amoxicillin needs to be adjusted according to the patient's age, weight and severity of infection. The following are common recommended dosages:
| patient type | dose | Medication frequency |
|---|---|---|
| adult | 250-500mg | every 8 hours |
| children | 20-40mg/kg/day | Take 2-3 times |
4. Adverse reactions
The side effects of amoxicillin are usually mild, but some patients may experience the following symptoms:
| Type of adverse reaction | Specific performance |
|---|---|
| gastrointestinal reactions | Nausea, vomiting, diarrhea |
| allergic reaction | Rash, itching, anaphylactic shock |
| Others | dizziness, headache |
5. Things to note
Please note the following when using amoxicillin:
| Things to note | Specific content |
|---|---|
| Allergy history | Contraindicated for those allergic to penicillin |
| liver function | Use with caution in patients with liver dysfunction |
| drug interactions | Avoid use with probenecid |
Amoxicillin is an efficient and safe antibiotic, but it needs to be used rationally under the guidance of a doctor to avoid abuse that may lead to drug resistance. If you have any questions or discomfort, please consult your doctor promptly.
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