I need help with writing my essay on Isotretinoin...

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What is Isotretinoin and how does it work ?
Isotretinoin is medication a powerful form of vitamin A , which is used to treat cystic acne which other medications doesnt work 
- the main action is unknown yet , but researcher find out the following of Isotretinoin users :
1. shrink oil glands 
2. reduce inflammation
3. reduce acne bacteria 
4. prevents pores clogs 
What should patient do before start taking Isotretinoin ?
1. quit smoking or reduce it as much as possible 
2. prepare him/her self to along term treatment duration 
3. do the following test :
- blood test 
- ESR , CRP 
- liver function test 
- kindey function test 
What are Isotretinoin side effects ?
1. mouth and face dryness
2. high liver function
3. low appetite 
4. insomnia 
5. bone pain
6. mood changes 
What should paitent do after start takingIsotretinoin ?
1. taking the medical tests every 2 months 
- blood test 
- ESR , CRP 
- liver function test 
- kindey function test 
2. drink plenty of water 
3. stick to treatment duration ( 3 - 6 months ) 
4. should use moisturizer products 
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