Doctors often avoid prescribing doxycycline to young children because of a warning that tooth staining may occur when used in children less than 8 years old.
A course of an antibiotic, effective against anaerobic bacteria (such as metronidazole, to reduce the overgrowth of sulphur-producing bacteria), may also help. Speak to your dentist, doctor or chemist to identify the cause of your halitosis and to find the most effective treatment for you.
Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for the treatment of exposure to inhalational anthrax or rickettsia infection), unless directed by the child's doctor.Aug 1, 2021
Reports suggest that doxycycline also can lead to a loss of taste and smell. Patients who have experienced this say the loss of taste or smell occurred hours — or even up to 17 days — after starting the medication. If your symptoms are related to the medication, it may take months for your taste and smell to come back.Aug 15, 2017
The most common side effects of doxycycline are headaches, feeling or being sick. It can also make your skin sensitive to the sun. Doxycycline can affect growing teeth so it's not prescribed for children under 12 years old or given to pregnant and breastfeeding women. Do not drink alcohol while taking doxycycline.