Yes, it is possible to have autism and not know it. This is because many of the symptoms of autism can be so subtle, or difficult to recognize, that a person may not be aware that they possess them.
Autism is a spectrum disorder, meaning that there is a wide range of symptoms and levels of severity, and not everyone with autism experiences the same symptoms. Some of the less obvious signs of autism may include difficulty with social etiquette, difficulty making eye contact, difficulty interpreting nonverbal cues, and difficulty understanding sarcasm.
These symptoms can be difficult to recognize in oneself, especially since many of them are relatively common behaviors among people who do not have autism. In addition, many of the symptoms associated with autism can be misattributed to other conditions, such as depression, anxiety, or ADHD.
If someone suspects that they may have autism, they may benefit from speaking with a medical professional in order to receive an official diagnosis. A professional can evaluate a person’s behavior and symptoms, and provide an accurate diagnosis if necessary.
In conclusion, it is possible to have autism and not know it. However, speaking with a medical professional can help to confirm a diagnosis and provide the proper treatment and support needed.