Take Malarone exactly as prescribed by your healthcare provider. Do not skip doses or stop taking it early, especially when using it to prevent malaria. Missing doses can reduce protection and may increase the risk of infection.
Drug Interactions
Malarone can interact with other medications, which may affect how well it works or increase the risk of side effects. Tell your healthcare provider about all prescription medications, over-the-counter medicines, vitamins, and supplements you are taking before starting Malarone.
Important interactions may include certain antibiotics, anticonvulsants, rifampin or rifabutin, tetracycline, metoclopramide, and blood thinners such as warfarin. Some herbal supplements, such as St. John’s wort, may also affect how medications work, so ask your healthcare provider before taking supplements with Malarone.
Kidney or Liver Problems
Tell your healthcare provider if you have kidney or liver disease before taking Malarone. Malarone may not be appropriate for malaria prevention in people with severe kidney impairment. Your provider will decide whether Malarone is safe for you based on your kidney function, liver function, and reason for treatment.
Possible Side Effects
Malarone may cause side effects such as headache, nausea, vomiting, stomach pain, abdominal cramps, or diarrhea. These side effects are often mild, but they should be discussed with your healthcare provider if they are severe, persistent, or worsening.
Contact your healthcare provider right away if you develop signs of a serious reaction, such as severe rash, yellowing of the skin or eyes, dark urine, severe abdominal pain, or ongoing vomiting.
Allergic Reactions
Do not take Malarone if you have had an allergic reaction to atovaquone, proguanil, or any ingredient in the medication. Seek emergency medical attention if you develop symptoms such as rash, itching, swelling of the face or throat, severe dizziness, or trouble breathing.
Pregnancy and Breastfeeding
If you are pregnant, planning to become pregnant, or breastfeeding, talk to your healthcare provider before taking Malarone. Your provider will weigh the benefits and risks and may recommend a different malaria medication depending on your destination, malaria risk, and health history.
Malaria Prevention Measures
Malarone helps reduce the risk of malaria, but it may not prevent every case. You should also use mosquito prevention measures, such as insect repellent, long sleeves and pants, insecticide-treated bed nets, and staying in screened or air-conditioned areas when possible.
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