Mepron treats and prevents a type of bacterial pneumonia that can develop in patients with AIDS. Take it with food.

Mepron Overview


Mepron is a prescription medication used to prevent and treat Pneumocystis jiroveci pneumonia (PCP), a rare type of pneumonia usually only seen in patients with human immunodeficiency virus (HIV). Mepron belongs to a group of medications called antiprotozoal agents, which work by stopping the growth of protozoa which can cause pneumonia.

Mepron is available as an oral liquid and is taken once daily to prevent PCP and twice a day to treat PCP. Mepron should be taken with a meal.

Common side effects of Mepron include diarrhea, rash, headache and nausea. 

How was your experience with Mepron?

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What are you taking Mepron for?

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  • Other
  • Malaria
  • Pneumonia, Pneumocystis
  • Toxoplasmosis, Cerebral

How long have you been taking it?

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  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

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Uses of Mepron

Mepron is a prescription medication used to prevent and treat Pneumocystis jiroveci pneumonia (PCP), a rare type of pneumonia usually seen in patients with human immunodeficiency virus (HIV). Mepron is generally used if other treatments are not able to be used.

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.



For more information on this medication choose from the list of selections below.

Mepron Drug Class

Side Effects of Mepron

Serious side effects have been reported with Mepron. See "Mepron Precautions" section.

Common side effects of Mepron include:

  • Rash
  • Diarrhea
  • Nausea
  • Headache
  • Vomiting
  • Fever
  • Trouble falling or staying asleep
  • Cough
  • Sweating

This is not a complete list of Mepron side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.