Malaria is an infection that is transmitted to humans by mosquitoes. If contracted, malaria can be a very serious illness and is often difficult to treat. Because malaria presents a number of problems, it is much easier to prevent the infection from occurring rather than treating an active infection. Doxycycline can be used to prevent malaria. It is also used to treat malaria infections, usually in combination with another medication.
Doxycycline is used at a lower dosage as an anti-inflammatory treatment for rosacea. It is approved only to treat the inflammatory lesions (acne-like bumps) of rosacea. It is not useful for treating the redness of rosacea.
The low doxycycline dosage used to treat rosacea is below the antibacterial dosage used to treat infections. Only one product (Oracea®) is approved for this use.
As with rosacea treatment, a lower dosage of doxycycline is used to treat periodontitis. This low dosage works by inhibiting the enzyme that destroys gum tissue. It does not work as an antibiotic and is approved to be used only along with other periodontitis treatments (scaling and root planing). Only the 20 mg strengths of doxycycline (Periostat®) are approved for this use.
A gel formulation (Atridox®) that is applied into the gum pockets by your dentist is also approved for this use. The gel hardens and slowly releases the medication for a period of 21 days.
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