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Compare Erythromycin prices

Dosage Package Price per pill, $ Price, $
250mgX60 60 0.63 37.80
250mgX90 90 0.50 45.00
500mgX30 30 0.47 14.10
500mgX60 60 0.40 24.00
500mgX90 90 0.37 33.30
250mgX30 30 1.03 30.90
250mgX60 60 0.83 49.80
500mgX30 30 1.57 47.10
500mgX60 60 1.27 76.20

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Erythromycin No Prescription

Erythromycin is an antibiotic prescribed to treat many kinds of infections, including:
- Acute pelvic inflammatory disease;
- Gonorrhea;
- Intestinal parasitic infections;
- Legionnaires' disease;
- Listeriosis;
- Pinkeye;
- Rectal infections;
- Reproductive tract infections;
- Skin infections;
- Syphilis;
- Upper and lower respiratory tract infections;
- Urinary tract infections;
- Whooping cough;

Erythromycin is prescribed to prevent rheumatic fever in people who are allergic to penicillin and sulfa drugs. Erythromycin is prescribed before colorectal surgery to prevent infection.

Erymax capsules contain the active ingredient erythromycin, which is a type of drug known as a macrolide antibiotic. Erythromycin is prescribed to treat infections caused by bacteria. Erythromycin is available without a brand name, ie as the generic drug.

Erythromycin works by preventing bacteria from producing proteins that are essential to them. Without these proteins the bacteria cannot grow, replicate and increase in numbers. Erythromycin doesn't directly kill the bacteria, but leaves them unable to increase in numbers. The remaining bacteria eventually die or are destroyed by the immune system. This treats the infection.

Erythromycin is a broad-spectrum antibiotic that is active against a wide variety of bacteria that cause a wide variety of infections. Erythromycin may be prescribed to treat infections of:
- Eyes or ears;
- Skin or soft tissue;
- The upper or lower airways;

It may be prescribed to treat certain sexually-transmitted infections, oral and dental infections, and to prevent infections in people who are at risk, for example due to surgery, trauma or burns.

Erythromycin is prescribed for treating inflammatory acne, as it is active against the bacteria associated with acne, Propionebacterium acnes. This is a common type of bacteria that feeds on sebum produced by the sebaceous glands in the skin. It produces waste products and fatty acids that irritate the sebaceous glands, making them inflamed and causing spots. By controlling bacterial numbers, erythromycin brings the inflammation of the sebaceous glands under control, and allows the skin to heal.

To make sure the bacteria causing an infection are susceptible to erythromycin your doctor may take a tissue sample, for example a swab from the throat or skin.

Erythromycin has a similar range of antibacterial activity to penicillin and so is useful as an alternative to penicillin in people who are allergic to penicillins.

Why is Erythromycin bought?

- whooping cough;
- syphilis;
- scarlet fever;
- prevention of bacterial infection following surgery burns trauma or dental procedures;
- inflammation of the urethra due to bacterial infection;
- inflammation of the prostate gland due to bacterial infection;
- inflammation of bone due to bacterial infection;
- gonorrhoea;
- diphtheria;
- chronic inflammatory disorder of the facial skin;
- bacterial mouth infections eg gum disease vincent's angina;
- bacterial infections of the stomach and intestines;
- bacterial infections of the skin or soft tissue eg boils abscesses cellulitis impetigo erysipelas;
- bacterial infections of the lungs eg bronchitis bronchiectasis pneumonia legionnaires' disease;
- bacterial infection of the nasal passages sinuses or throat eg sinusitis pharyngitis laryngitis tonsillitis;
- bacterial infection of the middle ear or outer ear canal;
- bacterial infection of the eyelids;
- acne;

Erythromycin Side Effects

Erythromycin side effects that you should report to your health care professional or doctor as soon as possible:
- vomiting;
- nausea;
- loss of appetite;
- diarrhea;
- yellowing of the skin and eyes;
- reversible hearing loss;
- nausea and vomiting;
- inflammation of the liver;
- disturbances of liver function;
- diarrhoea;
- allergic skin reactions;
- abnormal heart beats;
- abdominal pain;

Erythromycin Dosage

Dosage instructions are determined by the type of infection being treated and may vary slightly for different brands of erythromycin. The following are recommended dosages for PCE, one of the most commonly prescribed brands.


Streptococcal Infections

The usual dose is 333 mg every 8 hours, or 500 mg every 12 hours. Depending on the severity of the infection, the dose may be increased to a total of 4 grams a day. However, when the daily dosage is larger than 1 gram, twice-a-day doses are not recommended, and the drug should be taken more often in smaller doses.

To treat streptococcal infections of the upper respiratory tract, erythromycin should be taken for at least 10 days.

To prevent repeated infections in people who have had rheumatic fever, the usual dosage is 250 mg twice a day.

Urinary Tract Infections Due to Chlamydia Trachomatis During Pregnancy

The usual dosage is 500 mg of erythromycin orally 4 times a day or 666 mg every 8 hours on an empty stomach for at least 7 days. For women who cannot tolerate this regimen, a decreased dose of 500 mg every 12 hours or 333 mg every 8 hours a day should be prescribed for at least 14 days.

For Those with Uncomplicated Urinary, Reproductive Tract, or Rectal Infections Caused by Chlamydia Trachomatis When Tetracycline Cannot Be Taken

The usual oral dosage is 500 mg of erythromycin 4 times a day or 666 mg every 8 hours for at least 7 days.

For Those with Nongonococcal Urethral Infections When Tetracycline Cannot Be Taken

The usual dosage is 500 mg of erythromycin by mouth 4 times a day or 666 mg orally every 8 hours for at least 7 days.

Acute Pelvic Inflammatory Disease Caused by Neisseria Gonorrhoeae

The usual treatment is three days of intravenous erythromycin followed by 500 mg orally every 12 hours or 333 mg orally every 8 hours for 7 days.


The usual dosage is 30 to 40 grams divided into smaller doses over a period of 10 to 15 days.

Intestinal Infections

The usual dosage is 500 mg every 12 hours, or 333 mg every 8 hours, for 10 to 14 days.

Legionnaires' Disease

The usual dosage ranges from 1 to 4 grams daily, divided into smaller doses.


Age, weight, and severity of the infection determine the correct dosage.

The usual dosage is from 30 to 50 mg daily for each 2.2 pounds of body weight, divided into equal doses for 10 to 14 days. For pneumonia in infants due to chlamydia, treatment lasts at least 3 weeks.

For more severe infections, this dosage may be doubled, but it should not exceed 4 grams per day.

Children weighing over 44 pounds should follow the recommended adult dose schedule.

For prevention of bacterial endocarditis, the children's dosage is 10 mg per 2.2 pounds of body weight 2 hours before dental work or surgery, followed by 5 mg per 2.2 pounds 6 hours later.

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