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Clindamycin: Uses & Side Effects

Clindamycin, medicine, medication, acne, vaginal infections, bacterial infections

Clindamycin is a prescription antibiotic commonly used to treat acne, vaginal infections, streptococcal, staphylococcal, malarial and other bacterial infections in the lungs, skin, blood and internal organs. It cannot treat viral infections such as colds or flu.

Clindamycin can be taken by mouth as a capsule or as a liquid; by injection; topically on the skin as a cream, gel, or foam; or vaginally as a cream or suppository. Common brands of clindamycin for vaginal use are Clindesse, which is a one-dose cream, and Cleocin, a suppository.

Clindamycin for vaginal infection

Clindamycin can be used to treat vaginal bacterial infections, but cannot help with yeast infections or sexually transmitted infections. Clindamycin can come as a cream that is applied inside the vagina or it can come as a suppository to be placed inside the vagina. If it is a cream, it should not be used on any other parts of the body. The National Institutes of Healthstresses that patients must finish the prescription of clindamycin, even if symptoms cease. Otherwise, the infection may not be completely treated and may become unable to be treated with antibiotics.

As a vaginal suppository, clindamycin is usually taken once a day for three days. As a cream, it is usually applied once a day for three or seven days. Doses should be taken at the same time every day.

In addition to the regular side effects of clindamycin, those taking it for vaginal infection may experience thick, white vaginal discharge and vaginal burning, itching, swelling or pain.

Clindamycin for acne

According to the NIH, clindamycin, when prescribed for acne, may be taken orally or applied topically as a cream, phosphate gel, lotion, pad or foam. Clindamycin cannot cure acne, but it may help keep it under control. For this reason, it is important for patients to continue to take clindamycin even if their acne appears to improve, and to take it for as long as directed.

Before using clindamycin for acne, patients must thoroughly wash the infected areas with soap and pat dry. Wait 30 minutes after shaving to apply topical clindamycin. The medicine should be applied to the whole area that is infected with acne, not to individual pimples. While using clindamycin, patients should not wash their faces or other infected areas more than two or three times per day.

Those using a foam form of clindamycin should be careful not to get it near lips, eyes or nose because it contains a stinging alcohol. The foam is also flammable, so caution should be taken.

In addition to other side effects, those taking clindamycin for acne may experience dry, peeling, itching, burning, red, or oily skin. They may also experience new pimples or blemishes.

Clindamycin for toxoplasmosis

Toxoplasmosis, an infection caused by the parasite Toxoplasma gondii, is sometimes treated by clindamycin if the patient cannot take sulfadizine or other sulfa medications. In this case, clindamycin is taken orally for three to six weeks, depending on the prescription.

A form of clindamycin is often prescribed for cats or dogs who get toxoplasmosis.

Side effects and warnings

According to the NIH, less serious side effects of clindamycin include:

  • nausea
  • vomiting
  • joint pain
  • pain when swallowing
  • heartburn
  • white patches in the mouth
  • head or backaches

Other, more serious side effects should be treated by a doctor immediately, including:

  • blisters
  • rash
  • hives
  • difficulty breathing or swallowing
  • yellowing of the skin or eyes
  • decreased urination
  • fever, chills, and other flu-like symptoms
  • sores on mouth or throat
  • easy bruising or red or purple pinpoint spots under the skin
  • unusual bleeding (of the nose, mouth, vagina, or rectum)
  • facial swelling

There are no known reactions between alcohol or certain foods and clindamycin, so the normal diet can be continued unless a doctor says otherwise.

Women who are pregnant or planning to become pregnant should consult a doctor before taking clindamycin.

Clindamycin for dogs and cats

Veterinarians sometimes prescribe clindamycin for dogs and cats. It is FDA-approved for dogs and cats (not rabbits or other rodents) and is available in capsule and oral liquid form. As noted above, it may be used to treat toxoplasmosis. It may also be used to treat other protozoal diseases, as well as bacterial infections, wounds, abscesses, dental infections, and osteomyelitis in dogs.

Side effects for these animals may include:

  • labored breathing
  • hives
  • vomiting
  • severe diarrhea (possibly with blood)
  • loss of appetite

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