Whether you're concerned about yourself or a loved one, these helplines and support groups can offer expert advice.
International suicide crisis
List of international suicide crisis lines
Website: International Suicide Helplines
Anxiety UK
Charity providing support if you have been diagnosed with an anxiety condition.
Phone: 03444 775 774 (Monday to Friday, 9.30am to 5.30pm)
Website: www.anxietyuk.org.uk
Big Orange Heart
Promoting and supporting positive well-being and mental health within remote working communities
Phone: 020 3322 1080
Website: www.bigorangeheart.org
Bipolar UK
A charity helping people living with manic depression or bipolar disorder.
Website: www.bipolaruk.org
CALM
CALM is the Campaign Against Living Miserably, for men aged 15 to 35.
Phone: 0800 58 58 58 (daily, 5pm to midnight)
Website: www.thecalmzone.net
Men's Health Forum
24/7 stress support for men by text, chat and email.
Website: www.menshealthforum.org.uk
Mental Health Foundation
Provides information and support for anyone with mental health problems or learning disabilities.
Website: www.mentalhealth.org.uk
Mind
Promotes the views and needs of people with mental health problems.
Phone: 0300 123 3393 (Monday to Friday 9am to 6pm)
Website: www.mind.org.uk
No Panic
Voluntary charity offering support for sufferers of panic attacks and obsessive-compulsive disorder (OCD). Offers a course to help overcome your phobia or OCD.
Phone: 0844 967 4848 (daily, 10am to 10pm). Calls cost 5p per minute plus your phone provider's Access Charge
Website: www.nopanic.org.uk
OCD Action
Support for people with OCD. Includes information on treatment and online resources.
Phone: 0845 390 6232 (Monday to Friday, 9.30am to 5pm). Calls cost 5p per minute plus your phone provider's Access Charge
Website: www.ocdaction.org.uk
OCD UK
A charity run by people with OCD, for people with OCD. Includes facts, news and treatments.
Phone: 0333 212 7890 (Monday to Friday 9am to 5pm)
Website: www.ocduk.org
PAPYRUS
Young suicide prevention society.
Phone: HOPElineUK 0800 068 4141 (Monday to Friday, 10am to 5pm and 7pm to 10pm, and 2pm to 5pm on weekends)
Website: www.papyrus-uk.org
Rethink Mental Illness
Support and advice for people living with mental illness.
Phone: 0300 5000 927 (Monday to Friday, 9.30am to 4pm)
Website: www.rethink.org
Samaritans
Confidential support for people experiencing feelings of distress or despair.
Phone: 116 123 (free 24-hour helpline)
Website: www.samaritans.org
SANE
Emotional support, information and guidance for people affected by mental illness, their families and carers.
SANEline: 0300 304 7000 (daily, 4.30pm to 10.30pm)
Textcare: comfort and care via text message, sent when the person needs it most: www.sane.org.uk/textcare
Peer support forum: www.sane.org.uk/supportforum
Website: www.sane.org.uk/support
YoungMinds
Information on child and adolescent mental health. Services for parents and professionals.
Phone: Parents' helpline 0808 802 5544 (Monday to Friday, 9.30am to 4pm)
Website: www.youngminds.org.uk
Abuse (child, sexual, domestic violence)
NSPCC
Children's charity dedicated to ending child abuse and child cruelty.
Phone: 0800 1111 for Childline for children (24-hour helpline)
0808 800 5000 for adults concerned about a child (24-hour helpline)
Website: www.nspcc.org.uk
Refuge
Advice on dealing with domestic violence.
Phone: 0808 2000 247 (24-hour helpline)
Website: www.refuge.org.uk
Addiction (drugs, alcohol, gambling)
Alcoholics Anonymous
Phone: 0800 917 7650 (24-hour helpline)
Website: www.alcoholics-anonymous.org.uk
National Gambling Helpline
Phone: 0808 8020 133 (daily, 8am to midnight)
Website: www.begambleaware.org
Narcotics Anonymous
Phone: 0300 999 1212 (daily, 10am to midnight)
Website: www.ukna.org
Alzheimer's
Alzheimer's Society
Provides information on dementia, including factsheets and helplines.
Phone: 0300 222 1122 (Monday to Friday, 9am to 5pm and 10am to 4pm on weekends)
Website: www.alzheimers.org.uk
Bereavement
Cruse Bereavement Care
Phone: 0808 808 1677 (Monday to Friday, 9am to 5pm)
Website: www.cruse.org.uk
Crime victims
Rape Crisis
To find your local services phone: 0808 802 9999 (daily, 12pm to 2.30pm and 7pm to 9.30pm)
Website: www.rapecrisis.org.uk
Victim Support
Phone: 0808 168 9111 (24-hour helpline)
Website: www.victimsupport.org
Eating disorders
Beat
Phone: 0808 801 0677 (adults) or 0808 801 0711 (for under-18s)
Website: www.b-eat.co.uk
Learning disabilities
Mencap
Charity working with people with a learning disability, their families and carers.
Phone: 0808 808 1111 (Monday to Friday, 9am to 5pm)
Website: www.mencap.org.uk
Parenting
Family Lives
Advice on all aspects of parenting, including dealing with bullying.
Phone: 0808 800 2222 (Monday to Friday, 9am to 9pm and Saturday to Sunday, 10am to 3pm)
Website: www.familylives.org.uk
Relationships
Relate
The UK's largest provider of relationship support.
Website: www.relate.org.uk