I started the depo shot approximately 9 months ago. My period was already really light and it stopped immediately after I began the shot regimen.
I've actually been pretty thrilled with the overall experience, no mood swings, my pre-existing depression hasn't become any less manageable, and no annoying physical issues like sweating way more than usual (I experienced this when taking several different BCPs.)

However, over the last 2 weeks I've begun distributing symptoms that I'm not sure whether to attribute to the shot or something else entirely.

SYMPTOMS:

-Fatigue (Constant)
-Weakness of the body, especially in the legs (I'll go to do something as simple as cleaning my kitchen and have to stop every ten minutes to sit down)
-Abdominal pain (Not severe, more of an ache Often fixated on the lower left side of my body)
-Nausea (Especially after eating. Usually wish I hadn't eaten in the first place..)
-Spotting after intercourse
-Painful intercourse (Not painful enough to stop, just very uncomfortable especially at certain angles)
-Loss of libido
-Loss of appetite
-Near fainting spells and cold sweats (Usually when doing something active and trying to ignore how weak I feel)
-Headaches. Constantly.
-Upper respiratory infection (This is probably just because it's "that time of year.." but I live in a house with 4 other college students who aren't sick even in the least.)

I realize that this could be ANYTHING, or a culmination of things, and the only way to know for sure is to go to a doctor. Unless my symptoms worsen, I'm waiting until November 12th to go to my clinic. (I already have an appointment scheduled that day to get another injection) I took pregnancy tests yesterday just to make sure (They're negative, of course) and plan to get tested for STDs although i've been in a monogamous relationship for over a year now.
I guess what I'm wondering is if anyone recognizes any or all of these symptoms in relation to an experience they've had while on the shot. If this is just a phase of my body adjusting to the shot (..Although I was symptom free for the first 2 rounds of the injection..), and it's something that's just going to gradually go away, I might consider staying on the shot since I can learn to deal with this mess (If it promises to go away) easier than I can learn to deal with some of the experiences I had while taking birth control pills.