Is Decongestants (pseudoephedrine) Poisonous to Pets?
🔴 Highly toxic — call a vet now · Dogs & cats
Cold and allergy medicines with pseudoephedrine act like strong stimulants in pets and are dangerous even in small amounts.
Warning signs to watch for
- •Hyperactivity and pacing
- •Fast heart rate
- •Tremors
- •High temperature and seizures
What to do right now
Go to a vet right away. Bring the box so they know the exact ingredients.
ASPCA Poison Control: (888) 426-4435 · Pet Poison Helpline: (855) 764-7661
Frequently asked questions
Is decongestants (pseudoephedrine) poisonous to dogs and cats?
Cold and allergy medicines with pseudoephedrine act like strong stimulants in pets and are dangerous even in small amounts.
What are the symptoms of decongestants (pseudoephedrine) poisoning?
Watch for hyperactivity and pacing, fast heart rate, tremors, high temperature and seizures. Signs can come on quickly or be delayed depending on how much your pet was exposed to.
What should I do if my pet was exposed to decongestants (pseudoephedrine)?
Go to a vet right away. Bring the box so they know the exact ingredients.
Sources: Pet Poison Helpline. This is general guidance, not a diagnosis. In any suspected poisoning, contact your vet or a poison hotline right away.
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