Skip to content
Dr. Hall’s Notes

Topic

Practical

9 pieces in this topic.

Switching Between GLP-1 Medications

Practical

Switching Between GLP-1 Medications

There is no official conversion table between semaglutide and tirzepatide, which is the first thing to know — and the reason the most common switching mistake is starting too high.

May 20265 min
Drinking Alcohol on a GLP-1

Practical

Drinking Alcohol on a GLP-1

Two things happen at once: most people find they want less of it, and most people find a smaller amount goes further. One of those is an interesting research finding. The other is how you end up unexpectedly drunk at a wedding.

Mar 20264 min
What to Do If You Miss a GLP-1 Dose

Practical

What to Do If You Miss a GLP-1 Dose

The rules are different for each product, they are not intuitive, and the one people get wrong is the gap after which you have to go back down rather than pick up where you left off.

Mar 20264 min
GLP-1s and Your Teeth

Practical

GLP-1s and Your Teeth

Nobody warns you that a drug for your metabolism can cost you enamel. The mechanisms are dull and entirely preventable, which is exactly why they are worth ten minutes of your attention.

Feb 20264 min
How to Travel With a GLP-1

Practical

How to Travel With a GLP-1

Pens need refrigeration until they do not, security wants to see them, checked luggage will ruin them, and nobody tells you what to do about a seven-hour time difference on a weekly drug.

Feb 20265 min
GLP-1 Injection Technique

Practical

GLP-1 Injection Technique

Nobody spends more than ninety seconds teaching this, and then you are alone in a bathroom with a pen. Sites, rotation, why a cold pen stings, and the two mistakes that waste doses.

Feb 20265 min
Sick Day Rules on a GLP-1

Practical

Sick Day Rules on a GLP-1

A stomach bug is a nuisance for most people. On this drug, with a diuretic and an ACE inhibitor still on board, it is the most common route to a hospital admission — and the plan takes ten minutes to agree in advance.

Jan 20265 min
What to Do in a GLP-1 Shortage

Practical

What to Do in a GLP-1 Shortage

Supply gaps are not an edge case in this drug class, they are a recurring feature. The damage is rarely the missed weeks themselves — it is what people do on either side of them.

Dec 20255 min
How to Choose a GLP-1 Prescriber

Practical

How to Choose a GLP-1 Prescriber

A five-question online form and a pen in the post is not medical care. Here is what a good prescriber actually does, what the red flags look like, and the questions that separate them in about ninety seconds.

Oct 20255 min