Dosage and Administration Guidelines for Doxycycline USP

Always follow your doctor’s instructions. Doxycycline dosage varies significantly depending on the infection being treated and your individual health. Typical adult dosages range from 100mg to 200mg daily, often divided into two doses. Children’s dosages are weight-based and should be determined by a pediatrician.

Oral Administration

Take doxycycline with a full glass of water, preferably sitting upright. Avoid taking it with dairy products, antacids, or iron supplements, as these can reduce absorption. Consume doxycycline at least one hour before or two hours after these substances.

Specific Conditions

Dosage varies greatly by condition. For example, treatment of acne may use lower daily dosages over a longer period, while severe infections may require higher doses. Your doctor will tailor your treatment plan.

Missed Doses

If you miss a dose, take it as soon as you remember unless it’s almost time for your next dose. Never double up on doses. Maintain consistent dosing for the full prescribed duration to ensure optimal results.

Potential Side Effects

Common side effects include nausea, vomiting, diarrhea, and heartburn. More serious side effects are rare but should be reported to your doctor immediately. These include severe allergic reactions, difficulty swallowing, and unusual bruising or bleeding.

Condition Typical Dosage (Adult) Duration
Acne 50-100mg once daily Variable, often months
Chlamydia 100mg twice daily 7 days
Lyme Disease 200mg once daily 14-21 days
Rocky Mountain Spotted Fever 100mg twice daily 7-10 days

Important Note

This information is for guidance only and does not replace professional medical advice. Always consult your doctor or pharmacist before starting or changing any medication, especially if you have pre-existing health conditions or are taking other medications.