What is doxycycline 100mg?

Written by april khan
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Doxycyclin 100 mg is an oral antibiotic, used to slow down bacterial growth within the body. Doxycyclin will treat only bacterial infections, and not infections caused by a virus. Using doxycyclin too much may cause decreased effectiveness.

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How to Use It

Doxcyclin should be taken as directed by your physician. The general instructions are to take it with an 236ml glass of water, and not with milk or dairy products (this may inhibit absorption). Swallow the pill whole, and take the full prescription even if you feel better before you are finished.


Doxycyclin is prescribed to treat urinary tract infections, gum disease, chlamydia, acne, gonorrhoea, blemishes, bumps, lesions and some amoeba infections. Doxycyclin is used for other purposes as well, although they may not be FDA-approved.


You cannot use doxycyclin while you are pregnant, because it may harm the unborn child. If you are on birth control pills, doxycyclin may make them less effective. You also shouldn't use doxycyclin if you are allergic to it (or to similar medications), have liver or kidney disease or are breastfeeding.

Side Effects

Serious side effects include severe headaches, dizziness, blurred vision, fever, chills, body aches, severe blistering, decreased urination, loss of appetite, easy bruising or bleeding, and unusual weakness. Less serious side effects are swollen tongue, trouble swallowing, mild nausea, vomiting, diarrhoea, stomach upset, and vaginal itching or discharge.

Additional Information

Doxycyclin also goes by the brand names Adoxa, Alodox, Doryx, and Oraxyl. Doxycyclin comes in 40, 50, 75, and 100 mg capsules, and the tablets come in 50, 75, 100, and 150 mg.

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