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Medical Toxicology Image Library N

NAAK (nerve agent antidote kit)

Drexel Toxicology Image Library - NAAK (nerve agent antidote kit)
NAAK: The nerve agent antidote kit (NAAK) Mark I is a dual-chamber autoinjector kit that administers atropine and pralidoxime when used. These kits were created to be self-administered by individual soldiers, issued by the United States military to protect against the organophosphate nerve agents tabun, sarin, soman, and VX.

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Naja Pallida (Red Spitting Cobra)

Drexel Toxicology Image Library - Red Spitting Cobra (Naja pallida)
From the Elapidae family. Venom can cause marked local effects, as well as systemic effects like headache, nausea, vomiting, abdominal pain, diarrhea, dizziness, collapse. Neurological manifestations include flaccid paralysis or seizures. These snakes can spit their venom, causing venom spit ophthalmia.

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Nail Polish


Drexel Toxicology Image Library - Naloxone (rapidly reverse opioid overdose)
Naloxone is a competitive opioid antagonist at the mu (μ), kappa (κ), and delta (δ) receptors. This agent reverses and prevents the effects of opioids and is most commonly used in reversal of the respiratory depression seen in opioid toxicity. Naloxone has an onset of action of less than five minutes in both intravenous injection and intranasal administration and commonly lasts 30-90 minutes, depending on the opioid agent initially used.

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Nicotine Lozenge

Drexel Toxicology Image Library - Nicotine Lozenge
A lozenge used to curb nicotine craving in chronic smokers. It is important to use it correctly which involves placing the lozenge in one’s mouth and allowing it to dissolve. It is important to not chew or swallow the lozenge. Furthermore, users must be careful to not exceed the daily dose limits for the lozenges and keep it out of the reach of children.

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Non-Venomous Snakes

Drexel Toxicology Image Library - Non-Venomous Snakes
Non-venomous snakes usually have round pupils, and do not have glands, fangs or heat-sensing pits.

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Northern Copperhead

Drexel Toxicology Image Library - Northern Copperhead    Drexel Toxicology Image Library - Northern Copperhead

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The information on these pages is provided for general information only and should not be used for diagnosis or treatment, or as a substitute for consultation with a physician or health care professional. If you have specific questions or concerns about your health, you should consult your health care professional.

The images being used are for illustrative purposes only; any person depicted is a model.

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