Doxycycline Dosage

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, a dosage of doxycycline 100 mg a day for adults and 2 mg per kilogram of body weight for children is typically prescribed.

An Overview of Your Doxycycline Dosage

The dose of doxycycline your healthcare provider prescribes will vary, depending on a number of factors, including:
 
  • The medical condition being treated
  • The particular doxycycline product 
  • Your age
  • Whether you have decreased kidney function
  • Other medical conditions you may have
  • Other medications you are taking.
     
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
 

Dose of Doxycycline for Bacterial Infections

The recommended doxycycline dosage for most types of bacterial infections in adults is 100 mg to 200 mg per day for 7 to 14 days. For chronic (long-term) or more serious infections, treatment can be carried out for a longer time.
 
In children ages eight or older, your healthcare provider will prescribe a doxycycline dosage based on a weight chart, usually about 1 to 2 mg per pound of body weight per 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 dose of doxycycline for preventing malaria is 100 mg daily for adults. For children, the dosage is 2 mg per kilogram of body weight (about 0.9 mg per pound), not to exceed 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. Usage should not exceed four months.
 
 

Doxycycline Antibiotic Information

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