Your doxycycline dosage is based on factors like your age, what you are being treated for, and other medications you are taking. For example, the recommended dose for most bacterial infections is 100 mg to 200 mg a day. For malaria prevention, doxycycline dosage guidelines recommend 100 mg a day for adults and 2 mg per kilogram of body weight for children.
Doxycycline Dosage: An Introduction
The dose of
doxycycline that your healthcare provider prescribes will vary, depending on a number of factors, including:
- The medical condition you are being treated for
- Your age
- Whether you have decreased kidney function
- Other medical conditions you may have
- Other medications you are currently taking.
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
Doxycycline Dosage for Bacterial Infections
The recommended doxycycline dosage for most types of bacterial infections is 100 mg to 200 mg per day for 7 to 14 days. For chronic or more serious infections, treatment can be carried out for a longer period of time.
In children ages 8 or older, your healthcare provider will prescribe a doxycycline dosage based on a weight chart. The dosing can range, depending on body weight, from 2 mg to 5 mg per kilogram of body weight per day (mg/kg/day). The dose is divided and taken for 7 to 14 days. Children should generally be limited to 200 mg or less of doxycycline per day.
Doxycycline Dosage for Malaria Prevention
The recommended dosage of doxycycline for preventing
malaria is 100 mg daily for adults and 2 mg per kilogram of body weight in children (not more than 100 mg per day). Treatment should begin a day or two prior to travel, be taken with you throughout your stay in the area of concern, and continued for 28 days after you have left the noted area.
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