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Treatment Tips for Doryx

Doryx Dosing for Anthrax

The recommended dosage of Doryx in people who have been exposed to anthrax or who have a diagnosed active anthrax infection is 100 mg, taken twice a day for 60 days. The recommended dosage for children older than 8 years of age is 1 mg per pound of body weight twice a day for 60 days. Children weighing more than 100 pounds should receive the usual adult dosage.
Because Doryx is available in limited strengths (75, 100, and 150 mg tablets), it may not be appropriate for some children.

General Dosing Information

Some considerations for people taking Doryx include the following:
  • The medication comes as a tablet that is usually taken once daily.
  • Doryx can be taken with or without food.
  • It is important to take the tablets with plenty of water (or other fluids) while in an upright position, in order to prevent the medication from irritating the throat. Do not lie down immediately after taking this medication.
  • Do not chew or crush the tablets, as this may destroy the delayed-release mechanism of the medication. However, a tablet may be carefully broken up, and the tablet contents (the pellets) may be sprinkled on a spoonful of applesauce. The applesauce should be swallowed (without chewing) immediately and followed with a glass of water.
  • It does not matter what time of day you take this medication. However, it should be taken at the same time each day to maintain an even level of the medication in your system.
  • For Doryx to work properly, you have to take it as prescribed. It will not work adequately if you stop taking it too soon.
  • If you are unsure about anything related to your dosage of Doryx, please talk with your doctor, nurse, or pharmacist.

Doryx Medication Information

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