science

Octodrine

Octodrine is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Octodrine rather than just read about it. In short: Octodrine, also known as dimethylhexylamine (DMHA) and sold under the brand name Vaporpac among others, is a sympathomimetic and stimulant medication that was formerly used in the treatment of hypotension (low blood pressure). It has been studied in a dozen animal studies from the 1940s through the 1970s.

Key takeaways

Octodrine belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Octodrine to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Octodrine from memory before moving on to harder problems.

Reference excerpt

Octodrine, also known as dimethylhexylamine (DMHA) and sold under the brand name Vaporpac among others, is a sympathomimetic and stimulant medication that was formerly used in the treatment of hypotension (low blood pressure). It has been studied in a dozen animal studies from the 1940s through the 1970s. These studies found that octodrine can increase blood pressure and cardiac output in animals. The drug was previously approved for use by the Food and Drug Administration (FDA) as an inhalant (i.e., Vaporpac and Tickle Tackle Inhaler) and in Germany as an oral medication as part of a multi-component medication (i.e., Ambredin and Ordinal), but is no longer available. DMHA has also been found as an adulterant in preworkout products and is also sold online as a designer drug. The presence of a reductive amination byproduct in seized samples confirms the drug is fully synthetic in origin. In the United States, the FDA considers DMHA to be an unsafe ingredient in dietary supplements. In 2019, the FDA issued nine warning letters to US manufacturers of dietary supplements containing DMHA as an unsafe food additive, deeming such products to be adulterated and illegal for marketing.

Side effects Reported side effects of octodrine include hypertension, dyspnea, and hyperthermia.

Pharmacology It is described as a sympathomimetic, vasoconstrictor, and local anesthetic.

Pharmacokinetics Heptaminol is the likely active metabolite of octodrine.

Chemistry

Related compounds Isometheptene Methylhexanamine (1,3-DMAA) Tuaminoheptane 1,3-Dimethylbutylamine (DMBA) 1,4-Dimethylamylamine (1,4-DMAA) Iproheptine (N-isopropyloctodrine) Heptaminol (hydroxyoctodrine) Oenethyl

Society and culture

Names Octodrine is the generic name of the drug and its INNTooltip International Nonproprietary Name and USANTooltip United States Adopted Name. It is also known by its former developmental code name SKF-51.

As an unsafe dietary ingredient In the United States, DMHA is not eligible for use as a dietary ingredient, is not approved for use in manufactured foods or dietary supplements, and is not considered to be safe for human consumption (is not GRAS); in regarding DMHA as an unsafe food additive, the FDA has warned manufacturers that dietary supplements containing DMHA are adulterated and illegal for marketing.

References

Illustrations

Worked examples

Example 1 — a first encounter with Octodrine

Start with the simplest possible case. Write down what Octodrine claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Octodrine before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Octodrine ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Octodrine

In research: Octodrine appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Octodrine in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Octodrine is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alkylamines, Antihypotensive agents, Drugs acting on the nervous system, so understanding it makes those chapters shorter.
In everyday life: Look for Octodrine outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Octodrine in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Octodrine means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Octodrine out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Octodrine in simple terms?

Why does Octodrine matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Octodrine?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Octodrine.