Tetracyclines

Question 1

What are the broad spectrum tetracylines? Which one has a long duration of action?

Answer 1

tetracycline, doxycycline (long duration of action so only given once a day), lymecycline

Question 2

What are the age and caution restrictions of tetracyclines? Why?

Answer 2

• Not for under 12 year olds
• not for a person who is pregnant or breastfeeding. This is because tetracyclines can deposit into growing teeth and bones

Question 3

what can tetracyclines be used for?

Answer 3

Acne
Rosacea
chlamydia

Question 4

Patient A comes in and they have a headache and they want something OTC but theyre on a tetracycline for their acne, what would you recommend?

Answer 4

they need to stop taking their medicine of tetracyline. This is because if someone develops headache or visual disturbances whilst taking tetracycline.

Question 5

Which tetracyclines are safe to take with tetracyclines?

Answer 5

Acronym: Does Like Milk
D - doxycycline
L - lymecycline
M - minocycline

Question 6

Which tetrayclines are not safe to take with milk ? WHy?

Answer 6

Acronym: DOT
D - demeclocycline
O - oxytetracyline
T - tetracycline

or C DOT
ciprofloxacin cannot be taken with milk

The calcium in the milk binds to these tetraccylines (DOT) reducing its absorption

Question 7

Which tetrayclines are not safe to take with milk ? WHy?

Answer 7

Acronym: DOT
D - demeclocycline
O - oxytetracyline
T - tetracycline

or C DOT
ciprofloxacin cannot be taken with milk

The calcium in the milk binds to these tetracylines (DOT) reducing its absorption

Question 8

What are the cautions with doxycycline?

Answer 8

protect skin from sunlight and take with plenty of water coz it can irritate the oesophagus