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Proguanil Side Effects

Applies to proguanil: oral tablet

As well as its needed effects, proguanil may cause unwanted side effects that require medical attention.

Severity: Moderate

If any of the following side effects occur while taking proguanil, check with your doctor or nurse as soon as possible:

  • Skin rash or itching
Symptoms of overdose
  • Abdominal or stomach pain
  • bloody urine
  • lower back pain
  • pain or burning while urinating
  • vomiting

Severity: Minor

Some proguanil side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

More common
  • Diarrhea
  • headache
  • loss of appetite
  • mouth sores or ulcers
  • nausea
  • vomiting
Less common or rare
  • Temporary hair loss

It is possible that some side effects of proguanil may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

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