Might be a tad long so if you are the type who doesn't like long posts don't read
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I have pharmaceutical morphine sulfate ampoules. 1ml contains 10mg. They are suitable for subcutaneous, intramuscular and intravenous usage.
I have 0 experience with IVing so I chose to inject myself subcutaneously as it is really easy to do.
I have done it a few times now. I don't do it everyday and prefer to take my other opioids orally really. The injections are when I am home alone and can do everything without rushing and so on.
I have had no issues (a couple of bruises but I will explain why later) and have been using clean sterile needles and I always swab with alcohol and even wash the area with soap and water prior to injecting anything.
I already had experience doing subcutaneous injections as I injected my parents with insulin. It is a piece of cake.
My first question is this: is the bioavailability subcutaneously 100% or is it less? I ask because on some online literature it says it's much less than 100% but it seems strange that it would be just a bit better than oral administration since it completely bypasses the liver.
I have attempted twice to get into a vein to experience the famous rush. I have visible veins all over my arms but my issue was that I can't seem to pull up the plunger to register easily as the plunger is all the way back after drawing out the morphine from its ampoule. It just isn't easy to do that without risking dropping the syringe.
I am using 1ml syringes with the 30 gauge needles, so they just about are big enough for all the medication.
This caused me to miss and so I just went subcutaneously. No problems.
The second time I tried was a couple of day ago or so. I missed again. I tried to register and nothing came up the syringe but when I pulled out the needle, after what turned into a subcutaneous injection, I saw a little dark red blood oozing out on the skin, so I am not sure I wasn't in the vein.
I also felt a little woozy unlike with the other subcutaneous injections, so maybe that was a sort of rush? Not sure. I only do 10mg when I inject and that is far from covering my tolerance. So this is how I got my two bruises. No issues as everything was sterile.
So, how do you comfortably register in the vein when the plunger is all the way back? I give up trying because I just risk dropping the syringe so I inject and am done with it and it becomes a subcutaneous injection.
I guess my question is more like: how do you learn to do IV by yourself? I obviously don't wanna ruin my veins trying. I cannot ask anyone to help me. I don't know anyone who can do that for me. I have watched videos. It seems easy when you watch but it's not really when you get to it. Do I need bigger syringes?
If subcutaneous bioavailability is 100% or close then I can make do with that as I am not interested in the rush that much and more interested in getting the most out of the ampoules. Thanks for any replies.

I have pharmaceutical morphine sulfate ampoules. 1ml contains 10mg. They are suitable for subcutaneous, intramuscular and intravenous usage.
I have 0 experience with IVing so I chose to inject myself subcutaneously as it is really easy to do.
I have done it a few times now. I don't do it everyday and prefer to take my other opioids orally really. The injections are when I am home alone and can do everything without rushing and so on.
I have had no issues (a couple of bruises but I will explain why later) and have been using clean sterile needles and I always swab with alcohol and even wash the area with soap and water prior to injecting anything.
I already had experience doing subcutaneous injections as I injected my parents with insulin. It is a piece of cake.
My first question is this: is the bioavailability subcutaneously 100% or is it less? I ask because on some online literature it says it's much less than 100% but it seems strange that it would be just a bit better than oral administration since it completely bypasses the liver.
I have attempted twice to get into a vein to experience the famous rush. I have visible veins all over my arms but my issue was that I can't seem to pull up the plunger to register easily as the plunger is all the way back after drawing out the morphine from its ampoule. It just isn't easy to do that without risking dropping the syringe.
I am using 1ml syringes with the 30 gauge needles, so they just about are big enough for all the medication.
This caused me to miss and so I just went subcutaneously. No problems.
The second time I tried was a couple of day ago or so. I missed again. I tried to register and nothing came up the syringe but when I pulled out the needle, after what turned into a subcutaneous injection, I saw a little dark red blood oozing out on the skin, so I am not sure I wasn't in the vein.
I also felt a little woozy unlike with the other subcutaneous injections, so maybe that was a sort of rush? Not sure. I only do 10mg when I inject and that is far from covering my tolerance. So this is how I got my two bruises. No issues as everything was sterile.
So, how do you comfortably register in the vein when the plunger is all the way back? I give up trying because I just risk dropping the syringe so I inject and am done with it and it becomes a subcutaneous injection.
I guess my question is more like: how do you learn to do IV by yourself? I obviously don't wanna ruin my veins trying. I cannot ask anyone to help me. I don't know anyone who can do that for me. I have watched videos. It seems easy when you watch but it's not really when you get to it. Do I need bigger syringes?
If subcutaneous bioavailability is 100% or close then I can make do with that as I am not interested in the rush that much and more interested in getting the most out of the ampoules. Thanks for any replies.