UK


Samaritans on 116 123
Mind on 0300 123 3393 (9am to 6pm, Monday to Friday)
The Maytree on 020 7263 7070
SANE on 0300 304 7000 (6pm – 11pm daily)
THE MIX on 0808 808 4994 (Mon-Fri, 9am-5pm)
B-eat adult - 0808 801 0677 YOuth - 0808 801 0711
or email help@b-eat.co.uk (eating disorders) 
OCD Action on 0845 390 6232
No Panic on 0844 967 4848
Anxiety UK on 08444 775 774 (Mon-Fri, 9:30am - 5:30pm)
Calm Helpline on 0800 58 58 58 (for men, 5pm - midnight daily) 
Switchboard on 0300 330 0630 (LGBT, 10am - 11pm daily) 
Papyrus on 0800 068 41 41 or sms 07786 209697 (under 35s, Mon-Fri: 10am-10pm, weekends: 2pm-10pm)
111/999 (UK emergency)

There is a great list of crisis services on the Mind website here. 


International

suicide.org
Befrienders Worldwide  

if you are in distress, please seek help. it does take courage, but you shouldn't have to deal with it alone - these people want to hear from you.