Again, you're the common denominator here so you need to look closely at your environment and your food-beverage-supplements-medication intake. It's great that you're in tune with your body to notice when something is off.
You might have caught a mild case of the latest contagion (eg C19V4 or whatever permutation we're up to now). I've heard that loss of taste was very common with the various versions of the C19 contagion so maybe your symptoms are either the start of or a low-grade case of that. Has your taste otherwise been affected?
With medications and supplements it may not be that you've changed anything with them, but either a build up over time or some other mineral (due to food &/or beverage consumption) was added/decreased which would affect this particular symptom. You might have an allergy to something. Have you changed toothpaste brands or did they change their formula? Just going through some possibilities. Also do a search on "tingling sensation on tongue" (vs metallic taste) and see if you can get anymore info that might pertain to you.
Okay, so this is an important clue. Do you know if the bottled water at your workplace is sourced and/or processed locally? If both your town's water source and the five-gallon containers' source had some change in processing (eg hypothetically they decided to add a step or a substance during purification) it might be affecting you. They usually disclose these types of things in a newsletter that comes with your water bill, but call your town's water utility and see if they've made any changes.
Again, you're the common denominator here so you need to look closely at your environment and your food-beverage-supplements-medication intake. It's great that you're in tune with your body to notice when something is off.
You might have caught a mild case of the latest contagion (eg C19V4 or whatever permutation we're up to now). I've heard that loss of taste was very common with the various versions of the C19 contagion so maybe your symptoms are either the start of or a low-grade case of that. Has your taste otherwise been affected?
With medications and supplements it may not be that you've changed anything with them, but either a build up over time or some other mineral (due to food &/or beverage consumption) was added/decreased which would affect this particular symptom. You might have an allergy to something. Have you changed toothpaste brands or did they change their formula? Just going through some possibilities. Also do a search on "tingling sensation on tongue" (vs metallic taste) and see if you can get anymore info that might pertain to you.
Good luck, in any case, and I hope it disappears.
Okay, so this is an important clue. Do you know if the bottled water at your workplace is sourced and/or processed locally? If both your town's water source and the five-gallon containers' source had some change in processing (eg hypothetically they decided to add a step or a substance during purification) it might be affecting you. They usually disclose these types of things in a newsletter that comes with your water bill, but call your town's water utility and see if they've made any changes.
Here's a link to the EPA's public notification rule that may be worthwhile to read.
https://www.epa.gov/dwreginfo/public-notification-rule