People can be sexually aroused by a variety of things and in different kinds of situations. The sexual arousal may be caused by a physical or mental nature.

A person may become aroused sexually by another person or by particular elements of that person such as physique, hair color, eye color, their smile or the scent of their skin.  A person can also achieve sexual arousal from a non human object.
A lot of people attain sexual arousal through the physical stimulation of one of their erogenous zones. This is a very special part of the body that is extremely sensitive to touch. The touch that they get on the erogenous zone is especially arousing if it is accompanied by the anticipation of an imminent sexual activity.
So, what can you expect if you experience sexual arousal? The first indication is that you feel the temperature of your body rising, causing you to feel hot. Then you realize that your heart is beating fast, usually at twice your normal heart rate. All this continues, along with several other indications, until you fulfill all the four phases of sexual arousal. As pleasurable as this may seem, some people are unable to go through all the stages because they experience problems with sexual arousal. There are a lot of reasons for this to occur. It might be a physical issue such as underlying medical conditions like diabetes or it can be caused by psychological reasons such as the feeling of stress, anxiety and fatigue. Problems in sexual arousal can also be cause by the prolong usage of drugs and alcohol. The lack of sexual arousal may be acquired, meaning it might have started after a period of normal sexual function and activity. It might also be a life long thing, which means the person has had little or no feelings of sexual desire all of his life.

If you are a man and you are experiencing problems with sexual arousal, you are not alone with this since studies show that more than thirty percent of the male population who engage in sexual activity is having problems with sexual arousal. There is no need to worry. That is because this disorder is actually treatable.
The most common solution to this problem is by using penis enhancement pills. The popularity of this solution has caused an abundance of different kinds of these pills to be available on the market. A lot of these pills are easy to get since they are available over the counter. However if you are planning to purchase penis enhancement pills over the counter to treat your disorder, you have to be careful. You need to do a lot of research on the different brands out there, as well as the ingredients that they are made of.