Not all medications can be topical vs. oral because the efficacy isn't the same. Doxycycline is a tetracycline antibiotic and works to treat acne in an oral capacity only. There is a doxycycline topical hyclate but it treats periodontitis, not acne.
Why is There No Topical Doxycycline for Skin Disorders?
Doctor Answers 1
These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.