Chlamydia

For uncomplicated chlamydia the recommended dose is 1 g (2 x 500mg tablets) once daily for 1 day, then 500 mg (1 x 500mg tablet) once daily for 2 days.

• If you are allergic to any of the ingredients contained in this medicine

Very common (may affect more than 1 in 10 people)

• diarrhoea

• abdominal pain

• feeling sick (nausea)

• loose wind (flatulence)

Common (may affect up to 1 in 10 people)

• lack of appetite (anorexia)

• headache

• feeling dizzy

• sensation of pins and needles or numbness (paraesthesia)

• changes in your sense of taste

• visual impairment

• deafness

• being sick (vomiting), stomach pain or cramps, loss of appetite, problems digesting your food

• skin rashes and itching

• joint pain (arthralgia)

• fatigue

• change in the quantity of the white blood cells and the concentration of bicarbonate in the blood. 

Doxycycline Capsules 

https://www.medicines.org.uk/emc/files/pil.2276.pdf