What is this? I've been experiencing this since a year. Please help!

Sexual health
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The first pic shows a blister (or whatever) on the top left. It's the most recent, appeared yesterday. I by mistakenly popped it and removed some white kinda fluid (pus maybe) with little blood. Below are the black marks left on my skin, due to early such blisters. (they're an year old) The 2nd image, shows the same marks. What are these? Please help? It's been a year. They're non itchy, painless, some whitish fluid filled stuff. They're just there and go within a week when untouched. ALSO. I've noticed that they usually appear after i MASTURBATE continously for 4 to 5 days. Is it related to masturbation??
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hi! how long have you been shaving down there?? it looks to me like those are razor bumps and ingrown hairs which do eventually pop and ooze out white stuff. i use to get these and they left black scars all over the place just like this i wax now and i rarely ever see these anymore

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I have been trimming* since a long time. Yes, i have those scars too.
But the problem is that i see them occur only after I masturbate for like 5-6 days at a stretch.
The most recent bump starting coming when my pubes weren’t trimmed. Had good thick hair down there.
I saw it coming and then trimmed! I Lowkey don’t think that it’s because of trimming.
They seem like Acne inversa (hidradenitis suppurativa) to me.
What are your opinions?