I have been depressed for 1 year.. What should i do?

Accidentally one day i find out multiple brown patches on penis head....i think it is not increasing in size but some new spot appear... I am not athletic person or but i sweat during summer season in groin area.. I search on Google and i find out different type of conditions like penile melenosis and penile melenoma.... So i am very worried about that.... How can i approach doctor here in online platform??

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You have absolutely to visit a doctor