Well everyone is exposed to lot of stress in this fast modern world.How our body and mind is able to tackle it decide the outcome. On seeing the description of the symptoms you have given you seem to have disturbing thoughts, worrying ruminations, irritability towards self, crying spells, bodyache and headache.The very important point is the last line you have quoted that " I hate myself and suicidal thoughts " these things have to be addressed immediately. All the symptoms you have provided shows towards a depressive disorder but needs further detailed evaluation.
Next Steps
kindly consult a psychiatrist immediately if possible with a relative or well wisher to get treated. You need to also evaluate for
thyroid function because it can also cause these symptoms in young females.
Health Tips
Avoid being alone.Be with friends and family. Keep yourself engaged. Stay Relaxed Be Healthy.