can I buy medication over the counter in pharmacy ...

What medications to take to stop period  :
1. cidolut nor
2. gynera 
- they are OTC , no need for prescription , but we suggest to consult your doctor before taking them 
What are the side effects of those medications ( ocp side effects ) ?
1. period irrgularties
2. headache 
3. changes in mood 
4. abdominal pain
5. nausea and vomiting
6. general weakness
7. breast pain
General advices :
1. dont take those medications without doctor supervising
2. its better not to stop your periods unless its nessasry 
3. if you have severe side effects while you are on those medication , consult doctor as soon as possible