Doxycycline 100mg

Doxycycline capsules contain the active substance doxycycline as doxycycline monohydrate. Doxycycline is an antibiotic belonging to a group of medicines called tetracyclines. It is used to treat many different types of infections including the sexually transmitted infection chlamydia.

Do not take Doxycycline:

• if you are allergic (hypersensitive) to doxycycline, other similar antibiotics (such as minocycline or tetracycline) or any of the other ingredients listed in the patient information leaflet
• are pregnant, trying to become pregnant or are breastfeeding
• you are likely to be exposed to strong sunlight or UV light (e.g. on a sun bed) - you should avoid exposure to strong sunlight while taking this medicine as your skin may be more sensitive to sunburn than normal

Doxycycline capsules must not be taken if you are pregnant or breastfeeding. Doxycycline could harm the baby.

You must tell your doctor if you are taking, have recently taken or might take other medicines, in particular:

• antacids (indigestion remedies), iron preparations, oral zinc or bismuth - these should not be taken at the same time of day as Doxycycline capsules
• carbamazepine, phenytoin (medicines used to control epilepsy) and barbiturates (used to control epilepsy or as a sedative)
• warfarin or coumarins (used to prevent blood clots)
• oral contraceptives (birth control pills)
• penicillin antibiotics (used to treat infections)
• ciclosporin (a medicine used to affect the body’s immune response)
• if you are going to have a general anaesthetic for an operation or dental surgery - you must tell your anaesthetist or dentist that you are taking doxycycline as you may have more side effects

Doxycycline 100 mg twice a day for 7 days

• angioedema (swelling)
• diarrhoea
• headache
• headache
• feeling or being sick
• skin reactions
• photosensitivity reaction to sunlight

Stop taking this medicine and tell your doctor immediately if you experience serious side effects after taking this medicine, especially sudden wheeziness, difficulty in breathing, chest pain, fever, swelling of eyelids, face or lips, rash or itching (especially affecting the whole body)

Individuals who are allergic to, or intolerant of tetracyclines, and pregnant women, should be treated with azithromycin 1g orally as a single dose followed by 500mg daily for 2 days.