A phobia is a type of anxiety disorder. It is an extreme and irrational form of fear or anxiety triggered by a particular object, place, situation, feeling or animal. There are many different types of phobias such as:

• Agoraphobia (fear of open or crowded space)

• Acrophobia (fear of heights)

• Trypophobia (fear of clusters of small holes or bumps)

• Claustrophobia (fear of tight spaces)

• Arachnophobia (fear of spiders or other arachnids)

• Hydrophobia (fear of water)

• Cynophobia (fear of dogs)

• Aerophobia (fear of flying)

• Hemophobia (fear of blood)

• Trypanophobia (fear of needles)

• Ophidiophobia (fear of snakes) 

• Dentophobia (fear of dentist)