this post was submitted on 14 Apr 2025
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the label and the manufacturer of my een say not to expose it to light. what happens if it is? last week i did my injection, but forgot about the warning and was holding it up near my bathroom light while i drew the needle. is it still safe/effective? tonight's my next shot, probably should have asked sooner :P

edit: only realized my mistake after finishing the injection and noticing the label had turned red

edit 2: pic of the label bein red

edit 3: got a pretty quick reply from the manufacturer. label turning red/black is normal actually, from heat/moisture, which makes sense. also according to the manufacturer, the e is slightly pink: normal for mct oil when exposed to light, but as long as it doesn't get worse it should be fine.

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[–] FrenziedFelidFanatic@pawb.social 24 points 2 weeks ago (1 children)

Disclaimer: I have no experience with this drug class, and my medical knowledge is that of a novice.

“Don’t expose it to light” typically means “don’t leave it in the sun too long.”

These warnings usually mean that the chemical will denature / break down when exposed to light or heat which leads to a decrease in efficacy. Most chemicals will only do this in response to IR or UV light. If the reaction is from IR, then the primary worry is keeping it cool enough. By the nature of indoor lights, your bathroom light is almost certainly not emitting enough UV to cause a reaction.

If the drug is colored (I don’t believe this to be the case here), then visible light could cause a reaction, though I would still find it unlikely that a drug would lose sufficient efficacy due to a bathroom light.

I wouldn’t worry unless it got too warm for too long.

I can’t say anything about the label turning red without a bit more info about the container itself (is it just a vial?), but it sounds like it might be an indicator that you took your last dose.

As always, contact your doctor or provider if you have concerns.

[–] tunasyne@lemmy.blahaj.zone 5 points 2 weeks ago

yeah that's what i was thinking too. i'll have to reach out to the manufacturer but that's gonna take a while for their reply :(

i put a picture of the label in the body of the post just in case.