The clarithromycin is an antibiotic drug that belongs to the family of macrolides, drugs with similar chemical structures very each other, sharing a macrocyclic lactone ring. In the group of macrolides there are members such as erythromycin and its two most important derivatives: azithromycin and clarithromycin .Clarithromycin is used to fight infections , mainly by Gram negative bacteria , although it also counteracts some Gram positive bacteria, such as Streptococcus pneumoniae , which causes pneumonia, or Streptococcus agalactiae , which causes chorioamnionitis, which is an infection in the membranes of the placenta.Clarithromycin is a useful drug to destroy bacteria resistant to penicillin , such as Staphylococcus aureus , Chlamydia , Moraxella catarrhalis , Mycoplasma , H. influenzae , among others. The mechanism of action of this drug consists of reaching the cellular level, joining the 50s subunit of the ribosome, which manages to interrupt the reproduction of bacteria.

What is clarithromycin for?

Clarithromycin is one of the most used antibiotics to treat infections such as:

  • In the lower respiratory tract: pneumonia, bronchitis, among others.
  • In the upper respiratory tract: otitis media, pharyngitis, sinusitis, tonsillitis, among others.
  • In the mammary glands
  • On the skin and soft tissues

Most of the infections mentioned are caused by Gram negative bacteria, and a small fraction of them by Gram positive bacteria.

In general, clarithromycin is used to:

  • Treat a variety of infectious diseases
  • Treat respiratory infections
  • Treat skin and tissue infections
  • Treat sexually transmitted infections
  • Treat organ infections

Treat a variety of infectious diseases

According to experience and research, clarithromycin has been shown to attack diseases caused by infections, in which a multitude of bacteria, mostly Gram negative, have been responsible.

Some of these diseases are:

  • Lyme’s desease
  • Gonorrhea
  • Pneumonia
  • Legionella
  • Tonsillitis
  • Folliculitis
  • Pharyngitis
  • Cellulitis
  • Otitis
  • Helicobacter pylori ulcers and gastritis
  • Sinusitis
  • Bronchitis
  • Whooping cough
  • Bacterial pneumonia
  • Elisipela
  • Meningitis and other influenzae infections
  • Moraxella catarrhalis infections
  • Staphylococcus aureus infected wounds
  • Chlamydia
  • Impetigo
  • Lady Windermere syndrome
  • Infecciones por Mycobacterium avium complex (MAC)
  • Breast infections

Treat respiratory infections

Clarithromycin is an antibiotic that is used to fight serious infections in the respiratory tract.

Clarithromycin is effective against a large number of bacteria that cause respiratory infections, among which Mycobacterium avium complex stands out , known by its acronym MAC , and which causes a disease similar to tuberculosis , affecting mainly AIDS patients, who are vulnerable in their immune system.

This drug is administered against nosocomial pneumonia, bronchitis, pharyngitis, tonsillitis, sinusitis, and other respiratory tract infections.

Treat skin and tissue infections

Clarithromycin prevents the reproduction of bacteria responsible for infections such as:

  • Elisipela
  • Folliculitis
  • Cellulitis
  • Staphylococcus aureus infected wounds
  • Impetigo

And to a lesser extent, it is applied as an acne treatment . After having complied with the consumption of clarithromycin, previously established by a doctor, a reconstituted skin will be achieved without signs of redness, which will again have an attractive appearance if an aesthetic treatment is also used with specialized creams and ointments.

Treat sexually transmitted infections

Clarithromycin is one of the drugs used as a treatment for gonorrhea and chlamydia, sexually transmitted infections that deteriorate the tissues of the genitals, manifesting as unpleasant and uncomfortable symptoms, such as itching, irritation and wear of the skin in intimate areas.

This drug is used as a prophylactic, even in pregnant women, especially in carriers of Streptococcus agalactiae , as this infection can seriously affect both the mother and the developing baby.

Treat organ infections

Clarithromycin is used as a treatment for conditions such as:

  • Lyme disease, caused by the bite of ticks, affecting various organs and the skin.
  • Infectious ulcers and gastritis, caused by the bacteria Helicobacter pylori
  • Meningitis, caused by both influenzae and Streptococcus agalactiae .

Thanks to the pharmacological action of clarithromycin, tissue damage by these bacteria is prevented from continuing, and these are allowed to be restored for further strengthening.

Clarithromycin contraindications

The administration of clarithromycin must be closely monitored in people such as:

  • Patients allergic to macrolide antibiotics , such as erythromycin, azithromycin, or clarithromycin itself.
  • Pregnant and lactating women , because this drug is excreted in breast milk, and is classified as a grade C risk in pregnancy. Even so, as it is gentler on the body and mixes less than others with the milk produced, it is resorted to in specific cases in these women, generally after the second trimester of pregnancy or when the benefit for the mother and the baby is greater than the recognized risk.

Clarithromycin side effects

Clarithromycin is an effective drug against Helicobacter pylori and more bacteria.

Clarithromycin, being an antibiotic, requires a prescription to be sold. This medicine is more noble with the organism than other antibiotics; However, even so, side effects may appear, among which are:

  • Diarrhea
  • Stomachache
  • Heartburn
  • Sickness
  • Headache

This article is informational in nature and is not a substitute for professional medical opinion. Consult a doctor

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Dr. Samantha Robson ( CRN: 0510146-5) is a nutritionist and website content reviewer related to her area of ​​expertise. With a postgraduate degree in Nutrition from The University of Arizona, she is a specialist in Sports Nutrition from Oxford University and is also a member of the International Society of Sports Nutrition.

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