Trimox (amoxicillin) is a commonly used antibiotic. It is part of the penicillin group of drugs and is used to treat a wide variety of bacterial infections. These include ear infections, respiratory infections, skin infections, and urinary tract infections. Trimox is also sometimes used to treat H. pylori, a bacteria that can cause ulcers in the stomach and duodenum. Trimox is available in both generic and brand-name versions.

Generic Trimox is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. The lowest GoodRx price for the most common version of amoxicillin is around .00, 70% off the average retail price of .49. Compare penicillin antibiotics.

Side Effects

Common side effects of Trimox include:

  • nausea
  • vomiting
  • stomach upset
  • diarrhea
  • rash
  • itching
  • swelling
  • headache
  • black, "hairy" tongue
  • white patches on your tongue
  • vaginal itching or discharge

Call your doctor at once if you have any of these serious side effects:

  • fever, chills, body aches, flu symptoms
  • easy bruising or bleeding, unusual weakness
  • jaundice (yellowing of the skin or eyes)
  • seizure (convulsions)
  • swelling in your face, lips, tongue, or throat
  • new or worsening cough with fever, trouble breathing


The usual adult dose is one or two 500-mg capsules every 8 hours. The usual child dose is 25 to 50 mg/kg/day in divided doses every 8 hours.

Trimox may interact with other antibiotics, allopurinol, probenecid, or methotrexate. Tell your doctor all medications and supplements you use.

During pregnancy, Trimox should be used only when prescribed. This medication passes into breast milk and could have undesirable effects on a nursing infant. Consult your doctor before breastfeeding.

Trimox 500mg

PackagePer PillPriceSavingsBonusOrder
500mg × 30 pills$1.17$35.04+ Cialis
500mg × 60 pills$0.98$58.61$11.47+ Levitra
500mg × 90 pills$0.91$82.18$22.94+ Viagra
500mg × 120 pills$0.88$105.76$34.4+ Cialis
500mg × 180 pills$0.85$152.9$57.34+ Levitra
500mg × 270 pills$0.83$223.62$91.74+ Viagra
500mg × 360 pills$0.82$294.34$126.14+ Cialis

Trimox 250mg

PackagePer PillPriceSavingsBonusOrder
250mg × 60 pills$0.69$41.28+ Levitra
250mg × 90 pills$0.56$50.77$11.15+ Viagra
250mg × 120 pills$0.5$60.27$22.29+ Cialis
250mg × 180 pills$0.44$79.26$44.58+ Levitra
250mg × 270 pills$0.4$107.74$78.02+ Viagra
250mg × 360 pills$0.38$136.22$111.46+ Cialis
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