1 doctor weighed in:

How is OTC racepinefrin/asthmanefrin same basic medication as former avail epinefrin/primetine mist. How does the race added to standard inhaled epi ?

1 doctor weighed in
Dr. Nestor Del rosario
Addiction Medicine

In brief: Racemization

The racemic or combination form of Epinephrine makes the product more stable and has a longer shelf life.
The d-form has less side effect than the natural r-form in terms of rapid heart rate and increase in bp. The d-form has a lower side effect as mentioned but has a more sustained effect. The side effect precludes frequent use so need sustained effect, and the combo is more stable.

In brief: Racemization

The racemic or combination form of Epinephrine makes the product more stable and has a longer shelf life.
The d-form has less side effect than the natural r-form in terms of rapid heart rate and increase in bp. The d-form has a lower side effect as mentioned but has a more sustained effect. The side effect precludes frequent use so need sustained effect, and the combo is more stable.
Dr. Nestor Del rosario
Dr. Nestor Del rosario
Thank
Get help from a real doctor now
Dr. Aaron Milstone
Board Certified, Internal Medicine - Pulmonology
25 years in practice
1M people helped
Continue
111,000 doctors available