Amoxicillin Side Effects

Amoxicillin Side Effects


Amoxicillin is employed to treat bacterial infections in many various parts of the body. It’s also used with other medicines (e.g., clarithromycin, lansoprazole) to treat H. pylori infection and duodenal ulcers.

Amoxicillin belongs to the group of medicines referred to as penicillin antibiotics. It works by killing the bacteria and preventing their growth. However, this medicine won’t work for colds, flu, or other virus infections.

This medicine is out there only together with your doctor’s prescription.

This product is out there within the following dosage forms:

  • Tablet
  • Powder for Suspension
  • Tablet, Chewable
  • Tablet, Extended Release
  • Capsule

Before Using

In deciding to use a drug, the risks of taking the drugs must be weighed against the great it’ll do. This is often a choice you and your doctor will make. For this medicine, the subsequent should be considered:


Tell your doctor if you’ve ever had any unusual or allergy to the present medicine or the other medicines. Also tell your health care professional if you’ve got other sorts of allergies, like to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Appropriate studies performed so far haven’t demonstrated pediatric-specific problems that might limit the usefulness of amoxicillin in children. However, newborns and infants 3 months aged and younger have incompletely developed kidney functions, which can need a lower dose of this medicine.


Appropriate studies performed so far haven’t demonstrated geriatric-specific problems that might limit the usefulness of amoxicillin within the elderly. However, elderly patients are more likely to possess age-related kidney problems, which can require caution and an adjustment within the dose for patients receiving amoxicillin.


There are not any adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Drug Interactions

Although certain medicines shouldn’t be used together in the least, in other cases two different medicines could also be used together albeit an interaction might occur. In these cases, your doctor might want to vary the dose, or other precautions could also be necessary. Once you are taking this medicine, it’s especially important that your healthcare professional knows if you’re taking any of the medicines listed below. The subsequent interactions are selected on the idea of their potential significance and aren’t necessarily all-inclusive.

Using this medicine with any of the subsequent medicines is typically not recommended, but could also be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you employ one or both of the medicines.

  • Chlortetracycline
  • Cholera Vaccine, Live
  • Demeclocycline
  • Desogestrel
  • Dienogest
  • Doxycycline
  • Drospirenone
  • Eravacycline
  • Estradiol
  • Ethinyl Estradiol
  • Ethynodiol
  • Gestodene
  • Levonorgestrel
  • Lymecycline
  • Meclocycline
  • Mestranol
  • Methacycline
  • Methotrexate
  • Minocycline
  • Mycophenolate Mofetil
  • Nomegestrol
  • Norethindrone
  • Norgestimate
  • Norgestrel
  • Omadacycline
  • Oxytetracycline
  • Rolitetracycline
  • Sarecycline
  • Sulfasalazine
  • Tetracycline
  • Tigecycline
  • Venlafaxine
  • Warfarin

Using this medicine with any of the subsequent medicines may cause an increased risk of certain side effects, but using both drugs could also be the simplest treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you employ one or both of the medicines.

  • Acenocoumarol
  • Khat
  • Probenecid

Other Interactions

Certain medicines shouldn’t be used at or round the time of eating food or eating certain sorts of food since interactions may occur. Using alcohol or tobacco with certain medicines can also cause interactions to occur. Ask your healthcare professional the utilization of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the utilization of this medicine. confirm you tell your doctor if you’ve got the other medical problems, especially:

  • Allergy to penicillins or cephalosporin antibiotics (e.g., cefaclor, cefadroxil, cephalexin, Ceftin®, or Keflex®) or
  • Mononucleosis (viral infection)—Should not be utilized in patients with these conditions.
  • Kidney disease, severe—Use with caution. the consequences could also be increased due to slower removal of the drugs from the body.
  • Phenylketonuria (PKU)—The chewable tablet contains phenylalanine, which may make this condition worse.

Proper Usage

Take this medicine only as directed by your doctor. Don’t take more of it, don’t take it more often, and don’t take it for an extended time than your doctor ordered.

You may take this medicine with or without food.

using oral liquid for patients:

  • Shake the bottle well before each use. Measure the dose with a marked measuring spoon, oral syringe, or medicine cup. The typical household teaspoon might not hold the proper amount of liquid.
  • You may mix the oral liquid with a baby formula, milk, fruit crush, water, ginger pop, or another cold drink. Make certain the kid drinks all of the mixture immediately.
  • Keep using this medicine for the complete treatment time, albeit you are feeling better after the primary few doses. Your infection might not clear up if you stop using the drugs timely.


The dose of this medicine is going to be different for various patients. Follow your doctor’s orders or the directions on the label. The subsequent information includes only the typical doses of this medicine. If your dose is different, don’t change it unless your doctor tells you to try to do so.

The amount of drugs that you simply take depends on the strength of the drugs. Also, the amount of doses you’re taking every day, the time allowed between doses, and therefore the length of your time you’re taking the drugs depend upon the medical problem that you’re using the drugs.

For oral dosage forms (capsules, powder for suspension, and tablets)

For bacterial infections:

  • Adults, teenagers, and youngsters weighing 40 kilograms (kg) or more—250 to 500 milligrams (mg) every 8 hours, or 500 to 875 mg every 12 hours.
  • Children and infants older than 3 months weigh 40 kg—Dose is predicated on weight and must be determined by your doctor. The standard dose is 20 to 40 milligrams (mg) per kilogram (kg) of weight per day, divided and given every 8 hours, or 25 to 45 mg per kg of weight per day, divided and given every 12 hours.
  • Infants 3 months aged and younger—Dose is predicated on weight and must be determined by your doctor. The standard dose is 30 mg per kg of weight per day, divided and given every 12 hours.

For treatment of gonorrhea:

  • Adults, teenagers, and youngsters weighing 40 kilograms (kg) or more—3-grams (g) taken as one dose.
  • Children 2 years aged and older weighing but 40 kg—Dose is predicated on weight and must be determined by your doctor. The standard dose is 50 milligrams (mg) per kilogram (kg) of weight per day, combined with 25 mg per kg of probenecid, taken as one dose.
  • Children younger than 2 years of age—Use isn’t recommended.

For treatment of H. pylori infection:

  1. Adults—
  • Dual therapy: 1000 milligrams (mg) of amoxicillin and 30 mg of lansoprazole, each given 3 times each day (every 8 hours) for 14 days.
  • Triple therapy: 1000 mg of amoxicillin, 500 mg of clarithromycin, and 30 mg of lansoprazole, all given twice each day (every 12 hours) for 14 days.
  1. Children—Use and dose must be determined by your doctor.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it’s almost time for your next dose, skip the missed dose and return to your regular dosing schedule. don’t double doses.

Amoxicillin Side Effects

Along with its needed effects, drugs may cause some unwanted effects. Although not all of those side effects may occur, if they do occur they’ll need medical attention.

Check with your doctor immediately if any of the subsequent amoxicillin side effects occur:

Incidence not known

  • Abdominal cramps
  • back or leg pains
  • bleeding gums
  • blistering, peeling, or loosening of the skin
  • bloating
  • blood within the urine
  • bloody nose
  • chest pain
  • chills
  • clay-colored stools
  • cough
  • dark urine
  • diarrhea
  • difficulty with breathing
  • difficulty with swallowing
  • dizziness
  • fast heartbeat
  • feeling of discomfort
  • fever
  • general body swelling
  • headache
  • heavier menstrual periods
  • hives or welts
  • increased thirst
  • inflammation of the joints
  • itching
  • joint or muscle pain
  • loss of appetite
  • muscle aches
  • nausea or vomiting
  • nosebleeds
  • pain within the lower back
  • painful or burning during urination
  • pale skin
  • red streaks on the skin
  • puffiness or swelling of the eyelids or round the eyes, face, lips, or tongue
  • red, irritated eyes
  • redness and soreness skin
  • breath shortness
  • sore throat
  • sores, ulcers, or white spots within the mouth or on the lips
  • sores, welting, or blisters
  • sudden decrease within the amount of urine
  • swollen, lymph glands
  • tenderness
  • tightness within the chest
  • unpleasant breath odor
  • unusual bleeding or bruising
  • unusual weakness and weight loss
  • blood vomiting
  • watery or bloody diarrhea
  • wheezing
  • yellowness of eyes or skin

Read also: What is Meloxicam? Usage and Side effects

Some amoxicillin side effects may occur that sometimes don’t need medical attention. These side effects may get away during treatment as your body adjusts to the drugs. Also, your health care professional could also be ready to tell you about ways to stop or reduce a number of these side effects. Ask your health care professional if any of the subsequent amoxicillin side effects continue or are bothersome or if you’ve got any questions on them:

Less common

  • Bad, unusual, or unpleasant (after) taste
  • change in taste

Incidence not known

  • Agitation
  • black, furry tongue
  • changes in behavior
  • confusion
  • convulsions
  • discoloration of the tooth (brown, yellow, or gray staining)
  • dizziness
  • sleeplessness
  • white spots either on the mouth or throat or may also on the tongue
  • white patches with diaper dermatitis

Other amoxicillin side effects ex-directory can also occur in some patients. If you notice the other effects, ask your healthcare professional.

Call your medical doctor about amoxicillin side effects. You’ll report its side effects to the FDA at 1-800-FDA-1088.

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