diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
index f1cff814244..6486fd33b86 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Medicine.dm
@@ -739,10 +739,10 @@
 	fallback_specific_heat = 0.605 // assuming it's ethanol-based
 
 /decl/reagent/thetamycin/affect_blood(var/mob/living/carbon/M, var/alien, var/removed, var/datum/reagents/holder)
-	M.add_chemical_effect(CE_EMETIC, M.chem_doses[type]/8) // chance per 2 second tick to cause vomiting
 	M.add_chemical_effect(CE_ANTIBIOTIC, M.chem_doses[type]) // strength of antibiotics; amount absorbed, need >5u dose to begin to be effective which'll take ~5 minutes to metabolise. need >10u dose if administered orally.
 
 /decl/reagent/thetamycin/overdose(var/mob/living/carbon/M, var/alien, var/datum/reagents/holder)
+	M.add_chemical_effect(CE_EMETIC, M.chem_doses[type]/8) // chance per 2 second tick to cause vomiting
 	M.dizziness = max(150, M.dizziness)
 	M.make_dizzy(5)
 
diff --git a/html/changelogs/Sheeplets.yml b/html/changelogs/Sheeplets.yml
new file mode 100644
index 00000000000..b29ddb43854
--- /dev/null
+++ b/html/changelogs/Sheeplets.yml
@@ -0,0 +1,41 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes:
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.
+author: Sheeplets
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - tweak: "Changed Thetamycin's vomiting side effect, it kicks in when you overdose now (20u)."