Amoxicillin 500mg dosage and side effects


Amoxicillin is a frequently prescribed penicillin antibiotic.  Adults are most commonly given the 500mg capsules.  It is often given for infections of the sinuses, ears, respiratory tract, skin or for UTI’s[urinary tract infections].  That does not mean it will work for all these types of infections, your doctor must first determine if amoxicillin will be able to take care of the mostly likely bacteria causing the infection.

It is also used prior to dental procedures to prevent certain types of infections.  In addition, amoxicillin may be used with other medications to treat stomach conditions caused by H. pylori.

Amoxicillin is a generic medication in the United States and usually very reasonably priced.  At some pharmacies the price of amoxicillin may be as low as $4.

Common Dosage

The dosage will vary depending on the type of infections.  Normal adult doses range from 500mg two to three times a day, up to 1000mg twice a day.  Talk with your prescriber about the appropriate dose for you.

It is also available in an 875mg tablet, that is generally given twice a day.

Dosages prior to dental procedure are generally 2000mg or four 500mg capsules one hour prior to the procedure.

Important reminder: taking higher doses does increase the risk of side effects.

Side Effects

For most people side effects are generally mild, always contact your doctor immediately if you believe you are experiencing severe side effects.

The most common side effects include nausea, diarrhea and headache.  The medication may be taken with food if stomach upset occurs.  Serious skin rashes have occurred, seek medical attention if it occurs.  Difficulty breathing can be a sign of a serious allergic reaction, contact a health care provider immediately.

There is no interaction with alcohol, but alcohol may suppress the immune system.  When fighting an infection it is best to avoid alcohol.amoxicillin-500mg-dosage-and-side-effects

Dosages will need to be adjusted in people with kidney problems.

Patients using methotrexate should not take amoxicillin without talking to a doctor first.

Allopurinol may increase the levels of amoxicillin in the body, be sure to talk with the doctor before using this medication.

Always use antibiotics as prescribed.  Improper use may lead to drug resistant bacteria.  Be sure to ask your doctor or pharmacist if you have any questions about amoxicillin, also make sure they are aware of any other medications you are currently taking.

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The pharmaceutical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education and should not be used as a substitute for professional diagnosis and treatment.
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