Doxycycline can be used as a preventative measure for malaria. It is one of several medications that are commonly prescribed for malaria prophylaxis.

Doxycycline works by preventing the growth and spread of the malaria parasite in the body. It is usually taken once a day, starting a day or two before entering a malaria-endemic area and continuing for four weeks after leaving.

However, doxycycline may not be suitable for everyone, as it can cause side effects such as nausea, vomiting, and sensitivity to sunlight. It is important to speak with a healthcare provider to determine if doxycycline is the appropriate medication for you based on your medical history and travel plans.