Minoxidil Killed My Cat?

When I searched online ”Minoxidil killed my cat”, I found this following heart-breaking story in a cat forum.

”I was out of town for the weekend and my cat, Minx, was home alone. I had left her plenty of food and water and assumed she would be fine. When I got home, I found her dead on the floor. There was no sign of trauma or anything that could have caused her death. The only thing I can think is that she ingested some of the minoxidil I use for my hair loss. This medication is meant for humans and is not safe for animals.

I am devastated that my negligence may have killed my beloved cat. We all know that minoxidil is the active ingredient in Rogaine, and we’ve all heard the warnings about keeping it away from pets. But did you know that minoxidil can be deadly to cats? Last week, my cat Mia ate some of my hair gel that contains minoxidil. Within minutes she was vomiting and had diarrhea. I rushed her to the emergency vet where they did everything they could, but sadly she didn’t make it. It devastated me. I did not know that something so common could be so dangerous. If you have a cat, please be careful with any products containing minoxidil. Even a small amount can kill them”.

This is truly a tragic story. But can Minoxidil kill a cat? We will answer this question along with other things related to Minoxidil and cat. Let’s start with the most important question:

Can Minoxidil Kill a Cat?

Yes, it can. Minoxidil is a drug used to treat hair loss. It’s also sold in a variety of over-the-counter products, like Rogaine and other topical lotions, which are designed to work on the scalp.

If you use minoxidil on your cat, there’s a strong chance that you’ll kill him. The reason for this is that cats have much less blood flow than humans do, and so they’re much more susceptible to the effects of minoxidil when it’s applied topically.

The drug interferes with the ability of blood vessels in the skin to expand and contract as needed for proper circulation. If you apply minoxidil topically on your cat and then notice he has trouble breathing or is lethargic, take him straight to an animal hospital immediately.

Can Cats Recover from Minoxidil?

Yes, cats can recover from minoxidil. If you act promptly, cats may recover from minoxidil within a few days or weeks.

How Much Minoxidil is Toxic to Cats?

There is no definitive answer to this question as the amount of minoxidil that is toxic to cats varies depending on several factors, including the size and weight of the cat, the concentration of minoxidil in the product being used, and how much of the product is ingested. However, ingesting even a one drop or one lick of minoxidil can be toxic to cats. Symptoms of toxicity include vomiting, diarrhea, lethargy, tremors, and seizures.

If you think your cat has ingested any amount of minoxidil, please contact your veterinarian or local emergency animal hospital immediately.

Is Minoxidil Toxic to Pets?

No, minoxidil is not toxic to pets. In fact, it is often used as a treatment for high blood pressure in dogs and cats. Minoxidil works by relaxing the smooth muscles in the walls of blood vessels, which helps to lower blood pressure.

It is important to note that minoxidil should only be used under the supervision of a veterinarian.

How Does Minoxidil Affect Cats?

Minoxidil is a medication that is used to treat high blood pressure. It can also promote hair growth in humans. Minoxidil works by widening blood vessels, which decreases blood pressure and allows for more blood and oxygen to reach the hair follicles.

This increased blood flow stimulates hair growth. There is no data on the use of minoxidil in cats, but we do not recommend it because of the potential for adverse effects. Minoxidil can cause hypotension (low blood pressure), tachycardia (high heart rate), and arrhythmias (irregular heartbeats).

These side effects could be dangerous in a cat, especially if they are already dealing with hypertension. In addition, minoxidil is absorbed through the skin and into the bloodstream, so there is a risk that it could interact with other medications that your cat is taking. Therefore, it is best to avoid using minoxidil in cats.

Cat Licked Minoxidil

While minoxidil is generally safe for most people, there are some potential side effects that should be considered before using this medication. If your cat licks it, he can experience these side effects include dizziness, lightheadedness, headache, fainting, chest pain, and irregular heartbeat.

If any of these side effects occur, it is important to seek medical attention immediately. In rare cases, minoxidil can also cause allergic reactions such as hives, difficulty breathing, and swelling of the face, lips, tongue or throat. If you experience any of these symptoms after using minoxidil, stop using the medication immediately and seek medical attention.

Symptoms of Minoxidil Poisoning in Cats

Minoxidil is a medication that is used to treat high blood pressure. It can also promote hair growth in people with certain medical conditions. Minoxidil can be purchased over the counter or by prescription.

While minoxidil is safe for most people, it’s poisonous to cats. If your cat comes into contact with minoxidil, they may experience the following symptoms:








If you think minoxidil has poisoned your cat, it is important to seek veterinary care immediately. The sooner you get your cat treatment, the better their chances of recovery will be.

Find Out Whether Other Things That Can Kill Your Cat


Minoxidil is a drug used to treat high blood pressure, and it’s also used to promote hair growth. It’s very popular in the United States, but it’s not approved for use in cats.

In humans, minoxidil works by dilating blood vessels and increasing the flow of blood to the scalp—which is why it’s helpful for treating baldness. But in cats, minoxidil can hamper circulatory system that leads to heart failure.

If you suspect your cat has ingested minoxidil, contact your vet immediately and be prepared for potentially expensive treatments.

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Dr Harunur Rashid (Harun) is a Doctor of Veterinary Medicine who has five years of experience in large pet animal medicine. He worked as a livestock officer for two years in an NGO, and since then he has been practicing pet animals medicine privately. He holds an MS in Pharmacology from Bangladesh Agricultural University and a DVM from the same institution.