What is Amoxicillin
Amoxicillin (Amoxil) is a penicillin antibiotic. It is used to treat bacterial infections, such as chest infections (including pneumonia) and dental abscesses. It can also be used together with other antibiotics and medicines to treat stomach ulcers.
Amoxicillin clavulanate is a combination of amoxicillin and clavulanate potassium. The amoxicillin fights bacteria, and the clavulanate potassium helps prevent certain bacteria from becoming resistant to amoxicillin.
Amoxicillin is also sometimes used together with another antibiotic called clarithromycin (Biaxin) to treat stomach ulcers caused by Helicobacter pylori infection. This combination is sometimes used with a stomach acid reducer called lansoprazole (Prevacid).
Amoxicillin 500mg and 250mg are available as tablets or capsules and as an oral suspension. Many brands and forms of amoxicillin are available, and not all brands are listed on this leaflet.
Amoxicillin side effects
Common amoxicillin side effects
Common amoxicillin side effects may include nausea, vomiting, diarrhea, or rash. These side effects affected more than 1% of patients in clinical trials.
Serious amoxicillin side effects
Get emergency medical help if you have signs of an allergic reaction to amoxicillin (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Call your doctor at once if you have:
- severe stomach pain; or
- diarrhea that is watery or bloody (even if it occurs months after your last dose).
This is not a complete list of side effects, and others may occur. Call your doctor for medical advice about side effects. You may also report side effects to the FDA at 1-800-FDA-1088.
Before taking this medicine
You should not use amoxicillin if you are allergic to any penicillin antibiotic, such as ampicillin, dicloxacillin, oxacillin, penicillin, or ticarcillin.
To make sure this medicine is safe for you, tell your doctor if you have:
- kidney disease;
- mononucleosis (also called “mono”);
- diarrhea caused by taking antibiotics; or
- food or drug allergies (especially to a cephalosporin antibiotic such as Omnicef, Cefzil, Ceftin, Keflex, and others).
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
Amoxicillin can make birth control pills less effective. Ask your doctor about using a non-hormonal birth control (condom, diaphragm, cervical cap, or contraceptive sponge) to prevent pregnancy.
It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.
How should I take amoxicillin?
Take amoxicillin exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets.
Take Amoxicillin (Amoxil) at the same time each day.
Some forms of amoxicillin may be taken with or without food. Check your medicine label to see if you should take your mediicne with food or not.
Shake the oral suspension (liquid) before you measure a dose.
Measure liquid medicine with the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). You may mix the liquid with water, milk, baby formula, fruit juice, or ginger ale. Drink all of the mixture right away. Do not save for later use.
You must chew the chewable tablet before you swallow it.
Swallow the regular tablet whole and do not crush, chew, or break it.
If you are taking amoxicillin with clarithromycin and/or lansoprazole to treat stomach ulcer, use all of your medications as directed. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor’s advice.
Use this medicine for the full prescribed length of time, even if your symptoms quickly improve. Skipping doses can increase your risk of infection that is resistant to medication. Amoxicillin will not treat a viral infection such as the flu or a common cold.
Do not share this medicine with another person, even if they have the same symptoms you have.
This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using this medicine.
Store tablets and capsules at room temperature, away from moisture, heat, and light.
Liquid Amoxicillin (Amoxil) may need to be stored in a refrigerator or at room temperature, depending on the brand. Check your label for storage instructions. If stored in the refrigerator, do not allow it to freeze. Throw away any liquid medicine that is not used within 14 days after it was mixed at the pharmacy.
Amoxicillin (Amoxil) Legal status
The regulation of therapeutic goods, defined as drugs and therapeutic devices, varies by jurisdiction. In some countries.
Amoxicillin Interactions
There are 41 drugs known to interact with amoxicillin, along with 6 disease interactions. Of the total drug interactions, 7 are major, 27 are moderate, and 7 are minor.
Amoxicillin Dosage
Applies to the following strengths: 250 mg; 500 mg; 125 mg/5 mL; 50 mg/mL; 250 mg/5 mL; 125 mg; 200 mg; 400 mg; 875 mg; 200 mg/5 mL; 400 mg/5 mL; 600 mg; 775 mg
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