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Dr. S. Kim, DOVerified clinician
What every new TRT patient should know before their first injection

A clinician-written primer covering the two-draw rule, what normal monitoring looks like, what a prescription mill looks like, and what to do in the first 12 weeks.

getting-started
3d ago
41
MR
mike_r · 3h ago
Why do my levels crash mid-week on weekly injections?

Started at 100mg/week, levels are good at trough but I feel awful on day 5-6. My prescriber says to stick with it.

injectionslevels
33
TG
tgaines · 6h ago
Hematocrit at 52% — prescriber said monitor it. Is that right?

Six months in and my hematocrit has crept up to 52%. Should I push back?

hematocritlabs
18
DS
dan_s · 9h ago
What does crashed E2 feel like vs. low T?

My prescriber says my E2 is low but I feel identical to before starting TRT.

estradiol
27
JH
jhall · 1d ago
Is hair loss from TRT reversible if I stop?

Three months in and noticing more shedding. Is this permanent?

side-effectsDHT

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user·just now
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3 Answers
✓ Verified clinician answer
SK
Dr. S. Kim, DOBoard-certified urologist · 48 answers
Verified clinician
This is a very common pattern with weekly injections. The peak-to-trough swing is significant — many patients feel the drop on days 5-6.

The most common fix is splitting the weekly dose into two equal injections (e.g. Monday and Thursday). That flattens the curve without changing total weekly dose. Discuss frequency change with your prescriber before adjusting anything.
3h ago
JL
jlaneCommunity member · 34 posts
I had the exact same issue at 12 weeks. Switched to twice weekly and the crash went away completely within two weeks. 50mg Monday + 50mg Thursday.
5h ago
TG
tgainesCommunity member · 89 posts
Worth checking your draw timing too — if testing at trough and feeling symptoms mid-week, the trough number alone doesn't capture the problem. Ask for a mid-week draw on day 3 or 4.
1d ago

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